sphinx.addnodesdocument)}( rawsourcechildren]( translations LanguagesNode)}(hhh](h pending_xref)}(hhh]docutils.nodesTextChinese (Simplified)}parenthsba attributes}(ids]classes]names]dupnames]backrefs] refdomainstdreftypedoc reftarget,/translations/zh_CN/arch/m68k/kernel-optionsmodnameN classnameN refexplicitutagnamehhh ubh)}(hhh]hChinese (Traditional)}hh2sbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget,/translations/zh_TW/arch/m68k/kernel-optionsmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hItalian}hhFsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget,/translations/it_IT/arch/m68k/kernel-optionsmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hJapanese}hhZsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget,/translations/ja_JP/arch/m68k/kernel-optionsmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hKorean}hhnsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget,/translations/ko_KR/arch/m68k/kernel-optionsmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hPortuguese (Brazilian)}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget,/translations/pt_BR/arch/m68k/kernel-optionsmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hSpanish}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget,/translations/sp_SP/arch/m68k/kernel-optionsmodnameN classnameN refexplicituh1hhh ubeh}(h]h ]h"]h$]h&]current_languageEnglishuh1h hh _documenthsourceNlineNubhsection)}(hhh](htitle)}(h#Command Line Options for Linux/m68kh]h#Command Line Options for Linux/m68k}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhhF/var/lib/git/docbuild/linux/Documentation/arch/m68k/kernel-options.rsthKubh paragraph)}(hLast Update: 2 May 1999h]hLast Update: 2 May 1999}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh)}(hLinux/m68k version: 2.2.6h]hLinux/m68k version: 2.2.6}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh)}(hhhhhhK:ubh field_list)}(hhh](hfield)}(hhh](h field_name)}(hSyntaxh]hSyntax}(hj[hhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjVhhhKubh field_body)}(hroot=/dev/h]h)}(hjmh]hroot=/dev/}(hjohhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK h]h)}(hroot=h]hroot=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK=hjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhK=hjQhhubeh}(h]h ]h"]h$]h&]uh1jOhj>hhhhhKhhubh)}(hXThe first syntax gives the device by name. These names are converted into a major/minor number internally in the kernel in an unusual way. Normally, this "conversion" is done by the device files in /dev, but this isn't possible here, because the root filesystem (with /dev) isn't mounted yet... So the kernel parses the name itself, with some hardcoded name to number mappings. The name must always be a combination of two or three letters, followed by a decimal number. Valid names are::h]hXThe first syntax gives the device by name. These names are converted into a major/minor number internally in the kernel in an unusual way. Normally, this “conversion” is done by the device files in /dev, but this isn’t possible here, because the root filesystem (with /dev) isn’t mounted yet... So the kernel parses the name itself, with some hardcoded name to number mappings. The name must always be a combination of two or three letters, followed by a decimal number. Valid names are:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKChj>hhubh literal_block)}(hXQ/dev/ram: -> 0x0100 (initial ramdisk) /dev/hda: -> 0x0300 (first IDE disk) /dev/hdb: -> 0x0340 (second IDE disk) /dev/sda: -> 0x0800 (first SCSI disk) /dev/sdb: -> 0x0810 (second SCSI disk) /dev/sdc: -> 0x0820 (third SCSI disk) /dev/sdd: -> 0x0830 (forth SCSI disk) /dev/sde: -> 0x0840 (fifth SCSI disk) /dev/fd : -> 0x0200 (floppy disk)h]hXQ/dev/ram: -> 0x0100 (initial ramdisk) /dev/hda: -> 0x0300 (first IDE disk) /dev/hdb: -> 0x0340 (second IDE disk) /dev/sda: -> 0x0800 (first SCSI disk) /dev/sdb: -> 0x0810 (second SCSI disk) /dev/sdc: -> 0x0820 (third SCSI disk) /dev/sdd: -> 0x0830 (forth SCSI disk) /dev/sde: -> 0x0840 (fifth SCSI disk) /dev/fd : -> 0x0200 (floppy disk)}hjsbah}(h]h ]h"]h$]h&] xml:spacepreserveuh1jhhhKLhj>hhubh)}(hXThe name must be followed by a decimal number, that stands for the partition number. Internally, the value of the number is just added to the device number mentioned in the table above. The exceptions are /dev/ram and /dev/fd, where /dev/ram refers to an initial ramdisk loaded by your bootstrap program (please consult the instructions for your bootstrap program to find out how to load an initial ramdisk). As of kernel version 2.0.18 you must specify /dev/ram as the root device if you want to boot from an initial ramdisk. For the floppy devices, /dev/fd, the number stands for the floppy drive number (there are no partitions on floppy disks). I.e., /dev/fd0 stands for the first drive, /dev/fd1 for the second, and so on. Since the number is just added, you can also force the disk format by adding a number greater than 3. If you look into your /dev directory, use can see the /dev/fd0D720 has major 2 and minor 16. You can specify this device for the root FS by writing "root=/dev/fd16" on the kernel command line.h]hXThe name must be followed by a decimal number, that stands for the partition number. Internally, the value of the number is just added to the device number mentioned in the table above. The exceptions are /dev/ram and /dev/fd, where /dev/ram refers to an initial ramdisk loaded by your bootstrap program (please consult the instructions for your bootstrap program to find out how to load an initial ramdisk). As of kernel version 2.0.18 you must specify /dev/ram as the root device if you want to boot from an initial ramdisk. For the floppy devices, /dev/fd, the number stands for the floppy drive number (there are no partitions on floppy disks). I.e., /dev/fd0 stands for the first drive, /dev/fd1 for the second, and so on. Since the number is just added, you can also force the disk format by adding a number greater than 3. If you look into your /dev directory, use can see the /dev/fd0D720 has major 2 and minor 16. You can specify this device for the root FS by writing “root=/dev/fd16” on the kernel command line.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKVhj>hhubh)}(h*[Strange and maybe uninteresting stuff ON]h]h*[Strange and maybe uninteresting stuff ON]}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKghj>hhubh)}(hXThis unusual translation of device names has some strange consequences: If, for example, you have a symbolic link from /dev/fd to /dev/fd0D720 as an abbreviation for floppy driver #0 in DD format, you cannot use this name for specifying the root device, because the kernel cannot see this symlink before mounting the root FS and it isn't in the table above. If you use it, the root device will not be set at all, without an error message. Another example: You cannot use a partition on e.g. the sixth SCSI disk as the root filesystem, if you want to specify it by name. This is, because only the devices up to /dev/sde are in the table above, but not /dev/sdf. Although, you can use the sixth SCSI disk for the root FS, but you have to specify the device by number... (see below). Or, even more strange, you can use the fact that there is no range checking of the partition number, and your knowledge that each disk uses 16 minors, and write "root=/dev/sde17" (for /dev/sdf1).h]hXThis unusual translation of device names has some strange consequences: If, for example, you have a symbolic link from /dev/fd to /dev/fd0D720 as an abbreviation for floppy driver #0 in DD format, you cannot use this name for specifying the root device, because the kernel cannot see this symlink before mounting the root FS and it isn’t in the table above. If you use it, the root device will not be set at all, without an error message. Another example: You cannot use a partition on e.g. the sixth SCSI disk as the root filesystem, if you want to specify it by name. This is, because only the devices up to /dev/sde are in the table above, but not /dev/sdf. Although, you can use the sixth SCSI disk for the root FS, but you have to specify the device by number... (see below). Or, even more strange, you can use the fact that there is no range checking of the partition number, and your knowledge that each disk uses 16 minors, and write “root=/dev/sde17” (for /dev/sdf1).}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKihj>hhubh)}(h+[Strange and maybe uninteresting stuff OFF]h]h+[Strange and maybe uninteresting stuff OFF]}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKyhj>hhubh)}(hXIf the device containing your root partition isn't in the table above, you can also specify it by major and minor numbers. These are written in hex, with no prefix and no separator between. E.g., if you have a CD with contents appropriate as a root filesystem in the first SCSI CD-ROM drive, you boot from it by "root=0b00". Here, hex "0b" = decimal 11 is the major of SCSI CD-ROMs, and the minor 0 stands for the first of these. You can find out all valid major numbers by looking into include/linux/major.h.h]hXIf the device containing your root partition isn’t in the table above, you can also specify it by major and minor numbers. These are written in hex, with no prefix and no separator between. E.g., if you have a CD with contents appropriate as a root filesystem in the first SCSI CD-ROM drive, you boot from it by “root=0b00”. Here, hex “0b” = decimal 11 is the major of SCSI CD-ROMs, and the minor 0 stands for the first of these. You can find out all valid major numbers by looking into include/linux/major.h.}(hj#hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK{hj>hhubh)}(hXIn addition to major and minor numbers, if the device containing your root partition uses a partition table format with unique partition identifiers, then you may use them. For instance, "root=PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF". It is also possible to reference another partition on the same device using a known partition UUID as the starting point. For example, if partition 5 of the device has the UUID of 00112233-4455-6677-8899-AABBCCDDEEFF then partition 3 may be found as follows:h]hXIn addition to major and minor numbers, if the device containing your root partition uses a partition table format with unique partition identifiers, then you may use them. For instance, “root=PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF”. It is also possible to reference another partition on the same device using a known partition UUID as the starting point. For example, if partition 5 of the device has the UUID of 00112233-4455-6677-8899-AABBCCDDEEFF then partition 3 may be found as follows:}(hj1hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj>hhubj)}(h;PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF/PARTNROFF=-2 h]h)}(h:PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF/PARTNROFF=-2h]h:PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF/PARTNROFF=-2}(hjChhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj?ubah}(h]h ]h"]h$]h&]uh1jhhhKhj>hhubh)}(h\Authoritative information can be found in "Documentation/admin-guide/kernel-parameters.rst".h]h`Authoritative information can be found in “Documentation/admin-guide/kernel-parameters.rst”.}(hjWhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj>hhubeh}(h]rootah ]h"] 2.1) root=ah$]h&]uh1hhj-hhhhhK:ubh)}(hhh](h)}(h 2.2) ro, rwh]h 2.2) ro, rw}(hjphhhNhNubah}(h]h ]h"]h$]h&]uh1hhjmhhhhhKubjP)}(hhh](jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hroh]h)}(hjh]hro}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhKhj~hhubjU)}(hhh](jZ)}(horh]hor}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hrw h]h)}(hrwh]hrw}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhKhj~hhubeh}(h]h ]h"]h$]h&]uh1jOhjmhhhhhKubh)}(hThese two options tell the kernel whether it should mount the root filesystem read-only or read-write. The default is read-only, except for ramdisks, which default to read-write.h]hThese two options tell the kernel whether it should mount the root filesystem read-only or read-write. The default is read-only, except for ramdisks, which default to read-write.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjmhhubeh}(h]ro-rwah ]h"] 2.2) ro, rwah$]h&]uh1hhj-hhhhhKubh)}(hhh](h)}(h 2.3) debugh]h 2.3) debug}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hdebug h]h)}(hdebugh]hdebug}(hj#hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhKhj hhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhKubh)}(hThis raises the kernel log level to 10 (the default is 7). This is the same level as set by the "dmesg" command, just that the maximum level selectable by dmesg is 8.h]hThis raises the kernel log level to 10 (the default is 7). This is the same level as set by the “dmesg” command, just that the maximum level selectable by dmesg is 8.}(hjChhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubeh}(h]debugah ]h"] 2.3) debugah$]h&]uh1hhj-hhhhhKubh)}(hhh](h)}(h 2.4) debug=h]h 2.4) debug=}(hj\hhhNhNubah}(h]h ]h"]h$]h&]uh1hhjYhhhhhKubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjphhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjmhhhKubjj)}(hdebug= h]h)}(hdebug=h]hdebug=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj~ubah}(h]h ]h"]h$]h&]uh1jihjmubeh}(h]h ]h"]h$]h&]uh1jThhhKhjjhhubah}(h]h ]h"]h$]h&]uh1jOhjYhhhhhKubh)}(hXdThis option causes certain kernel messages be printed to the selected debugging device. This can aid debugging the kernel, since the messages can be captured and analyzed on some other machine. Which devices are possible depends on the machine type. There are no checks for the validity of the device name. If the device isn't implemented, nothing happens.h]hXfThis option causes certain kernel messages be printed to the selected debugging device. This can aid debugging the kernel, since the messages can be captured and analyzed on some other machine. Which devices are possible depends on the machine type. There are no checks for the validity of the device name. If the device isn’t implemented, nothing happens.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjYhhubh)}(hXMessages logged this way are in general stack dumps after kernel memory faults or bad kernel traps, and kernel panics. To be exact: all messages of level 0 (panic messages) and all messages printed while the log level is 8 or more (their level doesn't matter). Before stack dumps, the kernel sets the log level to 10 automatically. A level of at least 8 can also be set by the "debug" command line option (see 2.3) and at run time with "dmesg -n 8".h]hXMessages logged this way are in general stack dumps after kernel memory faults or bad kernel traps, and kernel panics. To be exact: all messages of level 0 (panic messages) and all messages printed while the log level is 8 or more (their level doesn’t matter). Before stack dumps, the kernel sets the log level to 10 automatically. A level of at least 8 can also be set by the “debug” command line option (see 2.3) and at run time with “dmesg -n 8”.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjYhhubh)}(hDevices possible for Amiga:h]hDevices possible for Amiga:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjYhhubj)}(h- "ser": built-in serial port; parameters: 9600bps, 8N1 - "mem": Save the messages to a reserved area in chip mem. After rebooting, they can be read under AmigaOS with the tool 'dmesg'. h]h bullet_list)}(hhh](j)}(h<"ser": built-in serial port; parameters: 9600bps, 8N1h]hdefinition_list)}(hhh]hdefinition_list_item)}(h5"ser": built-in serial port; parameters: 9600bps, 8N1h](hterm)}(h"ser":h]h “ser”:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjubh definition)}(hhh]h)}(h.built-in serial port; parameters: 9600bps, 8N1h]h.built-in serial port; parameters: 9600bps, 8N1}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(h"mem": Save the messages to a reserved area in chip mem. After rebooting, they can be read under AmigaOS with the tool 'dmesg'. h]j)}(hhh]j)}(h"mem": Save the messages to a reserved area in chip mem. After rebooting, they can be read under AmigaOS with the tool 'dmesg'. h](j)}(h"mem":h]h “mem”:}(hj*hhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhj&ubj)}(hhh]h)}(hxSave the messages to a reserved area in chip mem. After rebooting, they can be read under AmigaOS with the tool 'dmesg'.h]h|Save the messages to a reserved area in chip mem. After rebooting, they can be read under AmigaOS with the tool ‘dmesg’.}(hj;hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj8ubah}(h]h ]h"]h$]h&]uh1jhj&ubeh}(h]h ]h"]h$]h&]uh1jhhhKhj#ubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]bullet-uh1jhhhKhjubah}(h]h ]h"]h$]h&]uh1jhhhKhjYhhubh)}(hDevices possible for Atari:h]hDevices possible for Atari:}(hjohhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjYhhubj)}(hXK- "ser1": ST-MFP serial port ("Modem1"); parameters: 9600bps, 8N1 - "ser2": SCC channel B serial port ("Modem2"); parameters: 9600bps, 8N1 - "ser" : default serial port This is "ser2" for a Falcon, and "ser1" for any other machine - "midi": The MIDI port; parameters: 31250bps, 8N1 - "par" : parallel port The printing routine for this implements a timeout for the case there's no printer connected (else the kernel would lock up). The timeout is not exact, but usually a few seconds. h]j)}(hhh](j)}(hG"ser1": ST-MFP serial port ("Modem1"); parameters: 9600bps, 8N1h]j)}(hhh]j)}(h?"ser1": ST-MFP serial port ("Modem1"); parameters: 9600bps, 8N1h](j)}(h"ser1":h]h “ser1”:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hhh]h)}(h7ST-MFP serial port ("Modem1"); parameters: 9600bps, 8N1h]h;ST-MFP serial port (“Modem1”); parameters: 9600bps, 8N1}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hN"ser2": SCC channel B serial port ("Modem2"); parameters: 9600bps, 8N1h]j)}(hhh]j)}(hF"ser2": SCC channel B serial port ("Modem2"); parameters: 9600bps, 8N1h](j)}(h"ser2":h]h “ser2”:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hhh]h)}(h>SCC channel B serial port ("Modem2"); parameters: 9600bps, 8N1h]hBSCC channel B serial port (“Modem2”); parameters: 9600bps, 8N1}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hi"ser" : default serial port This is "ser2" for a Falcon, and "ser1" for any other machineh]j)}(hhh]j)}(hY"ser" : default serial port This is "ser2" for a Falcon, and "ser1" for any other machineh](j)}(h"ser" :h]h “ser” :}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hhh]h)}(hQdefault serial port This is "ser2" for a Falcon, and "ser1" for any other machineh]hYdefault serial port This is “ser2” for a Falcon, and “ser1” for any other machine}(hj$hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj!ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(h8"midi": The MIDI port; parameters: 31250bps, 8N1h]j)}(hhh]j)}(h0"midi": The MIDI port; parameters: 31250bps, 8N1h](j)}(h"midi":h]h “midi”:}(hjUhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjQubj)}(hhh]h)}(h(The MIDI port; parameters: 31250bps, 8N1h]h(The MIDI port; parameters: 31250bps, 8N1}(hjfhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjcubah}(h]h ]h"]h$]h&]uh1jhjQubeh}(h]h ]h"]h$]h&]uh1jhhhKhjNubah}(h]h ]h"]h$]h&]uh1jhjJubah}(h]h ]h"]h$]h&]uh1jhjubj)}(h"par" : parallel port The printing routine for this implements a timeout for the case there's no printer connected (else the kernel would lock up). The timeout is not exact, but usually a few seconds. h]j)}(hhh]j)}(h"par" : parallel port The printing routine for this implements a timeout for the case there's no printer connected (else the kernel would lock up). The timeout is not exact, but usually a few seconds. h](j)}(h"par" :h]h “par” :}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hhh](h)}(h parallel porth]h parallel port}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubh)}(hThe printing routine for this implements a timeout for the case there's no printer connected (else the kernel would lock up). The timeout is not exact, but usually a few seconds.h]hThe printing routine for this implements a timeout for the case there’s no printer connected (else the kernel would lock up). The timeout is not exact, but usually a few seconds.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubeh}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]jgjhuh1jhhhKhj}ubah}(h]h ]h"]h$]h&]uh1jhhhKhjYhhubeh}(h]id1ah ]h"] 2.4) debug=ah$]h&]uh1hhj-hhhhhKubh)}(hhh](h)}(h2.6) ramdisk_size=h]h2.6) ramdisk_size=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hramdisk_size= h]h)}(hramdisk_size=h]hramdisk_size=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhKhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhKubh)}(hThis option instructs the kernel to set up a ramdisk of the given size in KBytes. Do not use this option if the ramdisk contents are passed by bootstrap! In this case, the size is selected automatically and should not be overwritten.h]hThis option instructs the kernel to set up a ramdisk of the given size in KBytes. Do not use this option if the ramdisk contents are passed by bootstrap! In this case, the size is selected automatically and should not be overwritten.}(hj9hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubh)}(hThe only application is for root filesystems on floppy disks, that should be loaded into memory. To do that, select the corresponding size of the disk as ramdisk size, and set the root device to the disk drive (with "root=").h]hThe only application is for root filesystems on floppy disks, that should be loaded into memory. To do that, select the corresponding size of the disk as ramdisk size, and set the root device to the disk drive (with “root=”).}(hjGhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubh)}(h 2.7) swap=h]h 2.7) swap=}(hjUhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubj)}(h/I can't find any sign of this option in 2.2.6. h]h)}(h.I can't find any sign of this option in 2.2.6.h]h0I can’t find any sign of this option in 2.2.6.}(hjghhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjcubah}(h]h ]h"]h$]h&]uh1jhhhKhjhhubeh}(h] ramdisk-sizeah ]h"]2.6) ramdisk_size=ah$]h&]uh1hhj-hhhhhKubh)}(hhh](h)}(h 2.8) buff=h]h 2.8) buff=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubj)}(h0I can't find any sign of this option in 2.2.6. h]h)}(h.I can't find any sign of this option in 2.2.6.h]h0I can’t find any sign of this option in 2.2.6.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhhhKhjhhubeh}(h]buffah ]h"] 2.8) buff=ah$]h&]uh1hhj-hhhhhKubeh}(h]general-kernel-optionsah ]h"]2) general kernel optionsah$]h&]uh1hhhhhhhhK7ubh)}(hhh](h)}(h+3) General Device Options (Amiga and Atari)h]h+3) General Device Options (Amiga and Atari)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubh)}(hhh](h)}(h3.1) hd=h]h3.1) hd=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(h!hd=,, h]h)}(h hd=,,h]h hd=,,}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhKhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhKubh)}(hXTThis option sets the disk geometry of an IDE disk. The first hd= option is for the first IDE disk, the second for the second one. (I.e., you can give this option twice.) In most cases, you won't have to use this option, since the kernel can obtain the geometry data itself. It exists just for the case that this fails for one of your disks.h]hXVThis option sets the disk geometry of an IDE disk. The first hd= option is for the first IDE disk, the second for the second one. (I.e., you can give this option twice.) In most cases, you won’t have to use this option, since the kernel can obtain the geometry data itself. It exists just for the case that this fails for one of your disks.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubeh}(h]hdah ]h"]3.1) hd=ah$]h&]uh1hhjhhhhhKubh)}(hhh](h)}(h3.2) max_scsi_luns=h]h3.2) max_scsi_luns=}(hj/hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj,hhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjChhhNhNubah}(h]h ]h"]h$]h&]uh1jYhj@hhhKubjj)}(hmax_scsi_luns= h]h)}(hmax_scsi_luns=h]hmax_scsi_luns=}(hjUhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjQubah}(h]h ]h"]h$]h&]uh1jihj@ubeh}(h]h ]h"]h$]h&]uh1jThhhMhj=hhubah}(h]h ]h"]h$]h&]uh1jOhj,hhhhhMubh)}(hSets the maximum number of LUNs (logical units) of SCSI devices to be scanned. Valid values for are between 1 and 8. Default is 8 if "Probe all LUNs on each SCSI device" was selected during the kernel configuration, else 1.h]hSets the maximum number of LUNs (logical units) of SCSI devices to be scanned. Valid values for are between 1 and 8. Default is 8 if “Probe all LUNs on each SCSI device” was selected during the kernel configuration, else 1.}(hjuhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM hj,hhubeh}(h] max-scsi-lunsah ]h"]3.2) max_scsi_luns=ah$]h&]uh1hhjhhhhhMubh)}(hhh](h)}(h3.3) st=h]h3.3) st=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(h1st=,[,[]] h]h)}(h0st=,[,[]]h]h0st=,[,[]]}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMubh)}(hXySets several parameters of the SCSI tape driver. is the number of 512-byte buffers reserved for tape operations for each device. sets the number of blocks which must be filled to start an actual write operation to the tape. Maximum value is the total number of buffers. limits the total number of buffers allocated for all tape devices.h]hXySets several parameters of the SCSI tape driver. is the number of 512-byte buffers reserved for tape operations for each device. sets the number of blocks which must be filled to start an actual write operation to the tape. Maximum value is the total number of buffers. limits the total number of buffers allocated for all tape devices.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubeh}(h]stah ]h"]3.3) st=ah$]h&]uh1hhjhhhhhMubh)}(hhh](h)}(h3.4) dmasound=h]h3.4) dmasound=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(h4dmasound=[,[,]] h]h)}(h3dmasound=[,[,]]h]h3dmasound=[,[,]]}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj ubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMubh)}(hXThis option controls some configurations of the Linux/m68k DMA sound driver (Amiga and Atari): is the number of buffers you want to use (minimum 4, default 4), is the size of each buffer in kilobytes (minimum 4, default 32) and says how much percent of error will be tolerated when setting a frequency (maximum 10, default 0). For example with 3% you can play 8000Hz AU-Files on the Falcon with its hardware frequency of 8195Hz and thus don't need to expand the sound.h]hXThis option controls some configurations of the Linux/m68k DMA sound driver (Amiga and Atari): is the number of buffers you want to use (minimum 4, default 4), is the size of each buffer in kilobytes (minimum 4, default 32) and says how much percent of error will be tolerated when setting a frequency (maximum 10, default 0). For example with 3% you can play 8000Hz AU-Files on the Falcon with its hardware frequency of 8195Hz and thus don’t need to expand the sound.}(hj3 hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM!hjhhubeh}(h]dmasoundah ]h"]3.4) dmasound=ah$]h&]uh1hhjhhhhhMubeh}(h]&general-device-options-amiga-and-atariah ]h"]+3) general device options (amiga and atari)ah$]h&]uh1hhhhhhhhKubh)}(hhh](h)}(h4) Options for Atari Onlyh]h4) Options for Atari Only}(hjT hhhNhNubah}(h]h ]h"]h$]h&]uh1hhjQ hhhhhM-ubh)}(hhh](h)}(h 4.1) video=h]h 4.1) video=}(hje hhhNhNubah}(h]h ]h"]h$]h&]uh1hhjb hhhhhM0ubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjy hhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjv hhhKubjj)}(h video=: h]h)}(hvideo=:h]hvideo=:}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM2hj ubah}(h]h ]h"]h$]h&]uh1jihjv ubeh}(h]h ]h"]h$]h&]uh1jThhhM2hjs hhubah}(h]h ]h"]h$]h&]uh1jOhjb hhhhhM2ubh)}(hThe parameter specifies the name of the frame buffer, eg. most atari users will want to specify `atafb` here. The is a comma-separated list of the sub-options listed below.h](hiThe parameter specifies the name of the frame buffer, eg. most atari users will want to specify }(hj hhhNhNubhtitle_reference)}(h`atafb`h]hatafb}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj ubhS here. The is a comma-separated list of the sub-options listed below.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhM4hjb hhubj)}(hhh](j)}(hNB: Please notice that this option was renamed from `atavideo` to `video` during the development of the 1.3.x kernels, thus you might need to update your boot-scripts if upgrading to 2.x from an 1.2.x kernel. h](j)}(hNB:h]hNB:}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhM=hj ubj)}(hhh]h)}(hPlease notice that this option was renamed from `atavideo` to `video` during the development of the 1.3.x kernels, thus you might need to update your boot-scripts if upgrading to 2.x from an 1.2.x kernel.h](h0Please notice that this option was renamed from }(hj hhhNhNubj )}(h `atavideo`h]hatavideo}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj ubh to }(hj hhhNhNubj )}(h`video`h]hvideo}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj ubh during the development of the 1.3.x kernels, thus you might need to update your boot-scripts if upgrading to 2.x from an 1.2.x kernel.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhM:hj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhhhM=hj ubj)}(hxNBB: The behavior of video= was changed in 2.1.57 so the recommended option is to specify the name of the frame buffer. h](j)}(hNBB:h]hNBB:}(hj' hhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMAhj# ubj)}(hhh]h)}(hrThe behavior of video= was changed in 2.1.57 so the recommended option is to specify the name of the frame buffer.h]hrThe behavior of video= was changed in 2.1.57 so the recommended option is to specify the name of the frame buffer.}(hj8 hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM@hj5 ubah}(h]h ]h"]h$]h&]uh1jhj# ubeh}(h]h ]h"]h$]h&]uh1jhhhMAhj hhubeh}(h]h ]h"]h$]h&]uh1jhjb hhhhhNubeh}(h]videoah ]h"] 4.1) video=ah$]h&]uh1hhjQ hhhhhM0ubh)}(hhh](h)}(h4.1.1) Video Modeh]h4.1.1) Video Mode}(hjc hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj` hhhhhMDubh)}(hXThis sub-option may be any of the predefined video modes, as listed in atari/atafb.c in the Linux/m68k source tree. The kernel will activate the given video mode at boot time and make it the default mode, if the hardware allows. Currently defined names are:h]hXThis sub-option may be any of the predefined video modes, as listed in atari/atafb.c in the Linux/m68k source tree. The kernel will activate the given video mode at boot time and make it the default mode, if the hardware allows. Currently defined names are:}(hjq hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMFhj` hhubj)}(hX- stlow : 320x200x4 - stmid, default5 : 640x200x2 - sthigh, default4: 640x400x1 - ttlow : 320x480x8, TT only - ttmid, default1 : 640x480x4, TT only - tthigh, default2: 1280x960x1, TT only - vga2 : 640x480x1, Falcon only - vga4 : 640x480x2, Falcon only - vga16, default3 : 640x480x4, Falcon only - vga256 : 640x480x8, Falcon only - falh2 : 896x608x1, Falcon only - falh16 : 896x608x4, Falcon only h]j)}(hhh](j)}(hstlow : 320x200x4h]h)}(hj h]hstlow : 320x200x4}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hstmid, default5 : 640x200x2h]h)}(hj h]hstmid, default5 : 640x200x2}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMLhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hsthigh, default4: 640x400x1h]h)}(hj h]hsthigh, default4: 640x400x1}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMMhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(h$ttlow : 320x480x8, TT onlyh]h)}(hj h]h$ttlow : 320x480x8, TT only}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMNhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(h$ttmid, default1 : 640x480x4, TT onlyh]h)}(hj h]h$ttmid, default1 : 640x480x4, TT only}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMOhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(h%tthigh, default2: 1280x960x1, TT onlyh]h)}(hj h]h%tthigh, default2: 1280x960x1, TT only}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMPhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(h(vga2 : 640x480x1, Falcon onlyh]h)}(hj h]h(vga2 : 640x480x1, Falcon only}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMQhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(h(vga4 : 640x480x2, Falcon onlyh]h)}(hj) h]h(vga4 : 640x480x2, Falcon only}(hj+ hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMRhj' ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(h(vga16, default3 : 640x480x4, Falcon onlyh]h)}(hj@ h]h(vga16, default3 : 640x480x4, Falcon only}(hjB hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMShj> ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(h(vga256 : 640x480x8, Falcon onlyh]h)}(hjW h]h(vga256 : 640x480x8, Falcon only}(hjY hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMThjU ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(h(falh2 : 896x608x1, Falcon onlyh]h)}(hjn h]h(falh2 : 896x608x1, Falcon only}(hjp hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMUhjl ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(h)falh16 : 896x608x4, Falcon only h]h)}(h(falh16 : 896x608x4, Falcon onlyh]h(falh16 : 896x608x4, Falcon only}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMVhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]jgjhuh1jhhhMKhj ubah}(h]h ]h"]h$]h&]uh1jhhhMKhj` hhubh)}(hIf no video mode is given on the command line, the kernel tries the modes names "default" in turn, until one is possible with the hardware in use.h]hIf no video mode is given on the command line, the kernel tries the modes names “default” in turn, until one is possible with the hardware in use.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMXhj` hhubh)}(hiA video mode setting doesn't make sense, if the external driver is activated by a "external:" sub-option.h]hoA video mode setting doesn’t make sense, if the external driver is activated by a “external:” sub-option.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM\hj` hhubeh}(h] video-modeah ]h"]4.1.1) video modeah$]h&]uh1hhjQ hhhhhMDubh)}(hhh](h)}(h4.1.2) inverseh]h4.1.2) inverse}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hhhhhM`ubh)}(hInvert the display. This affects only text consoles. Usually, the background is chosen to be black. With this option, you can make the background white.h]hInvert the display. This affects only text consoles. Usually, the background is chosen to be black. With this option, you can make the background white.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMbhj hhubeh}(h]inverseah ]h"]4.1.2) inverseah$]h&]uh1hhjQ hhhhhM`ubh)}(hhh](h)}(h 4.1.3) fonth]h 4.1.3) font}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hhhhhMgubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jYhj hhhKubjj)}(hfont: h]h)}(hfont:h]hfont:}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMihj ubah}(h]h ]h"]h$]h&]uh1jihj ubeh}(h]h ]h"]h$]h&]uh1jThhhMihj hhubah}(h]h ]h"]h$]h&]uh1jOhj hhhhhMiubh)}(hSpecify the font to use in text modes. Currently you can choose only between `VGA8x8`, `VGA8x16` and `PEARL8x8`. `VGA8x8` is default, if the vertical size of the display is less than 400 pixel rows. Otherwise, the `VGA8x16` font is the default.h](hMSpecify the font to use in text modes. Currently you can choose only between }(hj; hhhNhNubj )}(h`VGA8x8`h]hVGA8x8}(hjC hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj; ubh, }(hj; hhhNhNubj )}(h `VGA8x16`h]hVGA8x16}(hjU hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj; ubh and }(hj; hhhNhNubj )}(h `PEARL8x8`h]hPEARL8x8}(hjg hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj; ubh. }(hj; hhhNhNubj )}(h`VGA8x8`h]hVGA8x8}(hjy hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj; ubh] is default, if the vertical size of the display is less than 400 pixel rows. Otherwise, the }(hj; hhhNhNubj )}(h `VGA8x16`h]hVGA8x16}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj; ubh font is the default.}(hj; hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMkhj hhubeh}(h]fontah ]h"] 4.1.3) fontah$]h&]uh1hhjQ hhhhhMgubh)}(hhh](h)}(h4.1.4) `hwscroll_`h](h4.1.4) }(hj hhhNhNubj )}(h `hwscroll_`h]h hwscroll_}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj ubeh}(h]h ]h"]h$]h&]uh1hhj hhhhhMqubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jYhj hhhKubjj)}(h`hwscroll_` h]h)}(h`hwscroll_`h]j )}(hj h]h hwscroll_}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj ubah}(h]h ]h"]h$]h&]uh1hhhhMshj ubah}(h]h ]h"]h$]h&]uh1jihj ubeh}(h]h ]h"]h$]h&]uh1jThhhMshj hhubah}(h]h ]h"]h$]h&]uh1jOhj hhhhhMsubh)}(hXThe number of additional lines of video memory to reserve for speeding up the scrolling ("hardware scrolling"). Hardware scrolling is possible only if the kernel can set the video base address in steps fine enough. This is true for STE, MegaSTE, TT, and Falcon. It is not possible with plain STs and graphics cards (The former because the base address must be on a 256 byte boundary there, the latter because the kernel doesn't know how to set the base address at all.)h]hXThe number of additional lines of video memory to reserve for speeding up the scrolling (“hardware scrolling”). Hardware scrolling is possible only if the kernel can set the video base address in steps fine enough. This is true for STE, MegaSTE, TT, and Falcon. It is not possible with plain STs and graphics cards (The former because the base address must be on a 256 byte boundary there, the latter because the kernel doesn’t know how to set the base address at all.)}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMuhj hhubh)}(hBy default, is set to the number of visible text lines on the display. Thus, the amount of video memory is doubled, compared to no hardware scrolling. You can turn off the hardware scrolling altogether by setting to 0.h]hBy default, is set to the number of visible text lines on the display. Thus, the amount of video memory is doubled, compared to no hardware scrolling. You can turn off the hardware scrolling altogether by setting to 0.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM}hj hhubeh}(h]hwscrollah ]h"]4.1.4) hwscroll_ah$]h&]uh1hhjQ hhhhhMqubh)}(hhh](h)}(h4.1.5) internal:h]h4.1.5) internal:}(hj2 hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj/ hhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjF hhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjC hhhKubjj)}(h8internal:;[;;;] h]h)}(h7internal:;[;;;]h]h7internal:;[;;;]}(hjX hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjT ubah}(h]h ]h"]h$]h&]uh1jihjC ubeh}(h]h ]h"]h$]h&]uh1jThhhMhj@ hhubah}(h]h ]h"]h$]h&]uh1jOhj/ hhhhhMubh)}(hThis option specifies the capabilities of some extended internal video hardware, like e.g. OverScan. and give the (extended) dimensions of the screen.h]hThis option specifies the capabilities of some extended internal video hardware, like e.g. OverScan. and give the (extended) dimensions of the screen.}(hjx hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj/ hhubh)}(hX)If your OverScan needs a black border, you have to write the last three arguments of the "internal:". is the maximum line length the hardware allows, the maximum number of lines. is the offset of the visible part of the screen memory to its physical start, in bytes.h]hX-If your OverScan needs a black border, you have to write the last three arguments of the “internal:”. is the maximum line length the hardware allows, the maximum number of lines. is the offset of the visible part of the screen memory to its physical start, in bytes.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj/ hhubh)}(hlOften, extended interval video hardware has to be activated somehow. For this, see the "sw_*" options below.h]hpOften, extended interval video hardware has to be activated somehow. For this, see the “sw_*” options below.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj/ hhubeh}(h]internalah ]h"]4.1.5) internal:ah$]h&]uh1hhjQ hhhhhMubh)}(hhh](h)}(h4.1.6) external:h]h4.1.6) external:}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj hhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jYhj hhhKubjj)}(hlexternal:;;;;[;[; [;[;[;]]]]] h]h)}(hkexternal:;;;;[;[; [;[;[;]]]]]h]hkexternal:;;;;[;[; [;[;[;]]]]]}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj ubah}(h]h ]h"]h$]h&]uh1jihj ubeh}(h]h ]h"]h$]h&]uh1jThhhMhj hhubah}(h]h ]h"]h$]h&]uh1jOhj hhhhhMubhcomment)}(hI had to break this line...h]hI had to break this line...}hj sbah}(h]h ]h"]h$]h&]jjuh1j hj hhhhhMubh)}(hXThis is probably the most complicated parameter... It specifies that you have some external video hardware (a graphics board), and how to use it under Linux/m68k. The kernel cannot know more about the hardware than you tell it here! The kernel also is unable to set or change any video modes, since it doesn't know about any board internal. So, you have to switch to that video mode before you start Linux, and cannot switch to another mode once Linux has started.h]hXThis is probably the most complicated parameter... It specifies that you have some external video hardware (a graphics board), and how to use it under Linux/m68k. The kernel cannot know more about the hardware than you tell it here! The kernel also is unable to set or change any video modes, since it doesn’t know about any board internal. So, you have to switch to that video mode before you start Linux, and cannot switch to another mode once Linux has started.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj hhubh)}(hXThe first 3 parameters of this sub-option should be obvious: , and give the dimensions of the screen and the number of planes (depth). The depth is the logarithm to base 2 of the number of colors possible. (Or, the other way round: The number of colors is 2^depth).h]hXThe first 3 parameters of this sub-option should be obvious: , and give the dimensions of the screen and the number of planes (depth). The depth is the logarithm to base 2 of the number of colors possible. (Or, the other way round: The number of colors is 2^depth).}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj hhubh)}(hwYou have to tell the kernel furthermore how the video memory is organized. This is done by a letter as parameter:h]hwYou have to tell the kernel furthermore how the video memory is organized. This is done by a letter as parameter:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj hhubj)}(hX?'n': "normal planes", i.e. one whole plane after another 'i': "interleaved planes", i.e. 16 bit of the first plane, than 16 bit of the next, and so on... This mode is used only with the built-in Atari video modes, I think there is no card that supports this mode. 'p': "packed pixels", i.e. consecutive bits stand for all planes of one pixel; this is the most common mode for 8 planes (256 colors) on graphic cards 't': "true color" (more or less packed pixels, but without a color lookup table); usually depth is 24 h]j)}(hhh](j)}(h8'n': "normal planes", i.e. one whole plane after anotherh](j)}(h'n':h]h‘n’:}(hj8hhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhj4ubj)}(hhh]h)}(h3"normal planes", i.e. one whole plane after anotherh]h7“normal planes”, i.e. one whole plane after another}(hjIhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjFubah}(h]h ]h"]h$]h&]uh1jhj4ubeh}(h]h ]h"]h$]h&]uh1jhhhMhj1ubj)}(h'i': "interleaved planes", i.e. 16 bit of the first plane, than 16 bit of the next, and so on... This mode is used only with the built-in Atari video modes, I think there is no card that supports this mode.h](j)}(h'i':h]h‘i’:}(hjghhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjcubj)}(hhh]h)}(h"interleaved planes", i.e. 16 bit of the first plane, than 16 bit of the next, and so on... This mode is used only with the built-in Atari video modes, I think there is no card that supports this mode.h]h“interleaved planes”, i.e. 16 bit of the first plane, than 16 bit of the next, and so on... This mode is used only with the built-in Atari video modes, I think there is no card that supports this mode.}(hjxhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjuubah}(h]h ]h"]h$]h&]uh1jhjcubeh}(h]h ]h"]h$]h&]uh1jhhhMhj1ubj)}(h'p': "packed pixels", i.e. consecutive bits stand for all planes of one pixel; this is the most common mode for 8 planes (256 colors) on graphic cardsh](j)}(h'p':h]h‘p’:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(hhh]h)}(h"packed pixels", i.e. consecutive bits stand for all planes of one pixel; this is the most common mode for 8 planes (256 colors) on graphic cardsh]h“packed pixels”, i.e. consecutive bits stand for all planes of one pixel; this is the most common mode for 8 planes (256 colors) on graphic cards}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMhj1ubj)}(hf't': "true color" (more or less packed pixels, but without a color lookup table); usually depth is 24 h](j)}(h't':h]h‘t’:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(hhh]h)}(h`"true color" (more or less packed pixels, but without a color lookup table); usually depth is 24h]hd“true color” (more or less packed pixels, but without a color lookup table); usually depth is 24}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMhj1ubeh}(h]h ]h"]h$]h&]uh1jhj-ubah}(h]h ]h"]h$]h&]uh1jhhhMhj hhubh)}(hTFor monochrome modes (i.e., is 1), the letter has a different meaning:h]hTFor monochrome modes (i.e., is 1), the letter has a different meaning:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj hhubj)}(h`'n': normal colors, i.e. 0=white, 1=black 'i': inverted colors, i.e. 0=black, 1=white h]j)}(hhh](j)}(h)'n': normal colors, i.e. 0=white, 1=blackh](j)}(h'n':h]h‘n’:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(hhh]h)}(h$normal colors, i.e. 0=white, 1=blackh]h$normal colors, i.e. 0=white, 1=black}(hj&hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj#ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(h,'i': inverted colors, i.e. 0=black, 1=white h](j)}(h'i':h]h‘i’:}(hjDhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhj@ubj)}(hhh]h)}(h&inverted colors, i.e. 0=black, 1=whiteh]h&inverted colors, i.e. 0=black, 1=white}(hjUhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjRubah}(h]h ]h"]h$]h&]uh1jhj@ubeh}(h]h ]h"]h$]h&]uh1jhhhMhjubeh}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jhhhMhj hhubh)}(hThe next important information about the video hardware is the base address of the video memory. That is given in the parameter, as a hexadecimal number with a "0x" prefix. You have to find out this address in the documentation of your hardware.h]hXThe next important information about the video hardware is the base address of the video memory. That is given in the parameter, as a hexadecimal number with a “0x” prefix. You have to find out this address in the documentation of your hardware.}(hj{hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj hhubh)}(hXThe next parameter, , tells the kernel about the size of the video memory. If it's missing, the size is calculated from , , and . For now, it is not useful to write a value here. It would be used only for hardware scrolling (which isn't possible with the external driver, because the kernel cannot set the video base address), or for virtual resolutions under X (which the X server doesn't support yet). So, it's currently best to leave this field empty, either by ending the "external:" after the video address or by writing two consecutive semicolons, if you want to give a (it is allowed to leave this parameter empty).h]hXThe next parameter, , tells the kernel about the size of the video memory. If it’s missing, the size is calculated from , , and . For now, it is not useful to write a value here. It would be used only for hardware scrolling (which isn’t possible with the external driver, because the kernel cannot set the video base address), or for virtual resolutions under X (which the X server doesn’t support yet). So, it’s currently best to leave this field empty, either by ending the “external:” after the video address or by writing two consecutive semicolons, if you want to give a (it is allowed to leave this parameter empty).}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj hhubh)}(hXThe parameter is optional. If it is not given, the kernel cannot read or write any color registers of the video hardware, and thus you have to set appropriate colors before you start Linux. But if your card is somehow VGA compatible, you can tell the kernel the base address of the VGA register set, so it can change the color lookup table. You have to look up this address in your board's documentation. To avoid misunderstandings: is the _base_ address, i.e. a 4k aligned address. For read/writing the color registers, the kernel uses the addresses vgabase+0x3c7...vgabase+0x3c9. The parameter is written in hexadecimal with a "0x" prefix, just as .h]hXThe parameter is optional. If it is not given, the kernel cannot read or write any color registers of the video hardware, and thus you have to set appropriate colors before you start Linux. But if your card is somehow VGA compatible, you can tell the kernel the base address of the VGA register set, so it can change the color lookup table. You have to look up this address in your board’s documentation. To avoid misunderstandings: is the _base_ address, i.e. a 4k aligned address. For read/writing the color registers, the kernel uses the addresses vgabase+0x3c7...vgabase+0x3c9. The parameter is written in hexadecimal with a “0x” prefix, just as .}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj hhubh)}(h is meaningful only if is specified. It tells the kernel how wide each of the color register is, i.e. the number of bits per single color (red/green/blue). Default is 6, another quite usual value is 8.h]h is meaningful only if is specified. It tells the kernel how wide each of the color register is, i.e. the number of bits per single color (red/green/blue). Default is 6, another quite usual value is 8.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj hhubh)}(hAlso is used together with . It tells the kernel about the color register model of your gfx board. Currently, the types "vga" (which is also the default) and "mv300" (SANG MV300) are implemented.h]hAlso is used together with . It tells the kernel about the color register model of your gfx board. Currently, the types “vga” (which is also the default) and “mv300” (SANG MV300) are implemented.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj hhubh)}(hXParameter is required for ProMST or ET4000 cards where the physical linelength differs from the visible length. With ProMST, xres_virtual must be set to 2048. For ET4000, xres_virtual depends on the initialisation of the video-card. If you're missing a corresponding yres_virtual: the external part is legacy, therefore we don't support hardware-dependent functions like hardware-scroll, panning or blanking.h]hXParameter is required for ProMST or ET4000 cards where the physical linelength differs from the visible length. With ProMST, xres_virtual must be set to 2048. For ET4000, xres_virtual depends on the initialisation of the video-card. If you’re missing a corresponding yres_virtual: the external part is legacy, therefore we don’t support hardware-dependent functions like hardware-scroll, panning or blanking.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj hhubeh}(h]externalah ]h"]4.1.6) external:ah$]h&]uh1hhjQ hhhhhMubh)}(hhh](h)}(h4.1.7) eclock:h]h4.1.7) eclock:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMubh)}(hoThe external pixel clock attached to the Falcon VIDEL shifter. This currently works only with the ScreenWonder!h]hoThe external pixel clock attached to the Falcon VIDEL shifter. This currently works only with the ScreenWonder!}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubeh}(h]eclockah ]h"]4.1.7) eclock:ah$]h&]uh1hhjQ hhhhhMubh)}(hhh](h)}(h4.1.8) monitorcap:h]h4.1.8) monitorcap:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(h'monitorcap:;;; h]h)}(h&monitorcap:;;;h]h&monitorcap:;;;}(hj'hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj#ubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMubh)}(hThis describes the capabilities of a multisync monitor. Don't use it with a fixed-frequency monitor! For now, only the Falcon frame buffer uses the settings of "monitorcap:".h]hThis describes the capabilities of a multisync monitor. Don’t use it with a fixed-frequency monitor! For now, only the Falcon frame buffer uses the settings of “monitorcap:”.}(hjGhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubh)}(h and are the minimum and maximum, resp., vertical frequencies your monitor can work with, in Hz. and are the same for the horizontal frequency, in kHz.h]h and are the minimum and maximum, resp., vertical frequencies your monitor can work with, in Hz. and are the same for the horizontal frequency, in kHz.}(hjUhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubj)}(huThe defaults are 58;62;31;32 (VGA compatible). The defaults for TV/SC1224/SC1435 cover both PAL and NTSC standards. h](h)}(h.The defaults are 58;62;31;32 (VGA compatible).h]h.The defaults are 58;62;31;32 (VGA compatible).}(hjghhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjcubh)}(hDThe defaults for TV/SC1224/SC1435 cover both PAL and NTSC standards.h]hDThe defaults for TV/SC1224/SC1435 cover both PAL and NTSC standards.}(hjuhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjcubeh}(h]h ]h"]h$]h&]uh1jhhhMhjhhubeh}(h] monitorcapah ]h"]4.1.8) monitorcap:ah$]h&]uh1hhjQ hhhhhMubh)}(hhh](h)}(h 4.1.9) keeph]h 4.1.9) keep}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhM ubh)}(hIf this option is given, the framebuffer device doesn't do any video mode calculations and settings on its own. The only Atari fb device that does this currently is the Falcon.h]hIf this option is given, the framebuffer device doesn’t do any video mode calculations and settings on its own. The only Atari fb device that does this currently is the Falcon.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM hjhhubh)}(hX What you reach with this: Settings for unknown video extensions aren't overridden by the driver, so you can still use the mode found when booting, when the driver doesn't know to set this mode itself. But this also means, that you can't switch video modes anymore...h]hXWhat you reach with this: Settings for unknown video extensions aren’t overridden by the driver, so you can still use the mode found when booting, when the driver doesn’t know to set this mode itself. But this also means, that you can’t switch video modes anymore...}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubh)}(hPAn example where you may want to use "keep" is the ScreenBlaster for the Falcon.h]hTAn example where you may want to use “keep” is the ScreenBlaster for the Falcon.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubeh}(h]keepah ]h"] 4.1.9) keepah$]h&]uh1hhjQ hhhhhM ubh)}(hhh](h)}(h4.2) atamouse=h]h4.2) atamouse=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(h'atamouse=,[] h]h)}(h&atamouse=,[]h]h&atamouse=,[]}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMubh)}(hX{With this option, you can set the mouse movement reporting threshold. This is the number of pixels of mouse movement that have to accumulate before the IKBD sends a new mouse packet to the kernel. Higher values reduce the mouse interrupt load and thus reduce the chance of keyboard overruns. Lower values give a slightly faster mouse responses and slightly better mouse tracking.h]hX{With this option, you can set the mouse movement reporting threshold. This is the number of pixels of mouse movement that have to accumulate before the IKBD sends a new mouse packet to the kernel. Higher values reduce the mouse interrupt load and thus reduce the chance of keyboard overruns. Lower values give a slightly faster mouse responses and slightly better mouse tracking.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubh)}(hYou can set the threshold in x and y separately, but usually this is of little practical use. If there's just one number in the option, it is used for both dimensions. The default value is 2 for both thresholds.h]hYou can set the threshold in x and y separately, but usually this is of little practical use. If there’s just one number in the option, it is used for both dimensions. The default value is 2 for both thresholds.}(hj+hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM&hjhhubeh}(h]atamouseah ]h"]4.2) atamouse=ah$]h&]uh1hhjQ hhhhhMubh)}(hhh](h)}(h 4.3) ataflop=h]h 4.3) ataflop=}(hjDhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjAhhhhhM-ubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjXhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjUhhhKubjj)}(hXmataflop=[,[,[,]]] The drive type may be 0, 1, or 2, for DD, HD, and ED, resp. This setting affects how many buffers are reserved and which formats are probed (see also below). The default is 1 (HD). Only one drive type can be selected. If you have two disk drives, select the "better" type. The second parameter tells the kernel whether to use track buffering (1) or not (0). The default is machine-dependent: no for the Medusa and yes for all others. With the two following parameters, you can change the default steprate used for drive A and B, resp. h](h)}(hCataflop=[,[,[,]]]h]hCataflop=[,[,[,]]]}(hjjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM/hjfubh)}(hXThe drive type may be 0, 1, or 2, for DD, HD, and ED, resp. This setting affects how many buffers are reserved and which formats are probed (see also below). The default is 1 (HD). Only one drive type can be selected. If you have two disk drives, select the "better" type.h]hXThe drive type may be 0, 1, or 2, for DD, HD, and ED, resp. This setting affects how many buffers are reserved and which formats are probed (see also below). The default is 1 (HD). Only one drive type can be selected. If you have two disk drives, select the “better” type.}(hjxhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM1hjfubh)}(hThe second parameter tells the kernel whether to use track buffering (1) or not (0). The default is machine-dependent: no for the Medusa and yes for all others.h]hThe second parameter tells the kernel whether to use track buffering (1) or not (0). The default is machine-dependent: no for the Medusa and yes for all others.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM7hjfubh)}(hdWith the two following parameters, you can change the default steprate used for drive A and B, resp.h]hdWith the two following parameters, you can change the default steprate used for drive A and B, resp.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM;hjfubeh}(h]h ]h"]h$]h&]uh1jihjUubeh}(h]h ]h"]h$]h&]uh1jThhhM/hjRhhubah}(h]h ]h"]h$]h&]uh1jOhjAhhhhhM/ubeh}(h]ataflopah ]h"] 4.3) ataflop=ah$]h&]uh1hhjQ hhhhhM-ubh)}(hhh](h)}(h 4.4) atascsi=h]h 4.4) atascsi=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhM@ubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hHatascsi=[,[,[,[,]]]] h]h)}(hGatascsi=[,[,[,[,]]]]h]hGatascsi=[,[,[,[,]]]]}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMBhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMBhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMBubh)}(hXThis option sets some parameters for the Atari native SCSI driver. Generally, any number of arguments can be omitted from the end. And for each of the numbers, a negative value means "use default". The defaults depend on whether TT-style or Falcon-style SCSI is used. Below, defaults are noted as n/m, where the first value refers to TT-SCSI and the latter to Falcon-SCSI. If an illegal value is given for one parameter, an error message is printed and that one setting is ignored (others aren't affected).h]hXThis option sets some parameters for the Atari native SCSI driver. Generally, any number of arguments can be omitted from the end. And for each of the numbers, a negative value means “use default”. The defaults depend on whether TT-style or Falcon-style SCSI is used. Below, defaults are noted as n/m, where the first value refers to TT-SCSI and the latter to Falcon-SCSI. If an illegal value is given for one parameter, an error message is printed and that one setting is ignored (others aren’t affected).}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMDhjhhubj)}(hXs : This is the maximum number of SCSI commands queued internally to the Atari SCSI driver. A value of 1 effectively turns off the driver internal multitasking (if it causes problems). Legal values are >= 1. can be as high as you like, but values greater than times the number of SCSI targets (LUNs) you have don't make sense. Default: 16/8. : Maximum number of SCSI commands issued to the driver for one logical unit (LUN, usually one SCSI target). Legal values start from 1. If tagged queuing (see below) is not used, values greater than 2 don't make sense, but waste memory. Otherwise, the maximum is the number of command tags available to the driver (currently 32). Default: 8/1. (Note: Values > 1 seem to cause problems on a Falcon, cause not yet known.) The value at a great part determines the amount of memory SCSI reserves for itself. The formula is rather complicated, but I can give you some hints: no scatter-gather: cmd_per_lun * 232 bytes full scatter-gather: cmd_per_lun * approx. 17 Kbytes : Size of the scatter-gather table, i.e. the number of requests consecutive on the disk that can be merged into one SCSI command. Legal values are between 0 and 255. Default: 255/0. Note: This value is forced to 0 on a Falcon, since scatter-gather isn't possible with the ST-DMA. Not using scatter-gather hurts performance significantly. : The SCSI ID to be used by the initiator (your Atari). This is usually 7, the highest possible ID. Every ID on the SCSI bus must be unique. Default: determined at run time: If the NV-RAM checksum is valid, and bit 7 in byte 30 of the NV-RAM is set, the lower 3 bits of this byte are used as the host ID. (This method is defined by Atari and also used by some TOS HD drivers.) If the above isn't given, the default ID is 7. (both, TT and Falcon). : 0 means turn off tagged queuing support, all other values > 0 mean use tagged queuing for targets that support it. Default: currently off, but this may change when tagged queuing handling has been proved to be reliable. Tagged queuing means that more than one command can be issued to one LUN, and the SCSI device itself orders the requests so they can be performed in optimal order. Not all SCSI devices support tagged queuing (:-(). h]j)}(hhh](j)}(hXy: This is the maximum number of SCSI commands queued internally to the Atari SCSI driver. A value of 1 effectively turns off the driver internal multitasking (if it causes problems). Legal values are >= 1. can be as high as you like, but values greater than times the number of SCSI targets (LUNs) you have don't make sense. Default: 16/8. h](j)}(h :h]h :}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMShjubj)}(hhh]h)}(hXkThis is the maximum number of SCSI commands queued internally to the Atari SCSI driver. A value of 1 effectively turns off the driver internal multitasking (if it causes problems). Legal values are >= 1. can be as high as you like, but values greater than times the number of SCSI targets (LUNs) you have don't make sense. Default: 16/8.h]hXmThis is the maximum number of SCSI commands queued internally to the Atari SCSI driver. A value of 1 effectively turns off the driver internal multitasking (if it causes problems). Legal values are >= 1. can be as high as you like, but values greater than times the number of SCSI targets (LUNs) you have don’t make sense. Default: 16/8.}(hj/hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMNhj,ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMShjubj)}(hX: Maximum number of SCSI commands issued to the driver for one logical unit (LUN, usually one SCSI target). Legal values start from 1. If tagged queuing (see below) is not used, values greater than 2 don't make sense, but waste memory. Otherwise, the maximum is the number of command tags available to the driver (currently 32). Default: 8/1. (Note: Values > 1 seem to cause problems on a Falcon, cause not yet known.) The value at a great part determines the amount of memory SCSI reserves for itself. The formula is rather complicated, but I can give you some hints: no scatter-gather: cmd_per_lun * 232 bytes full scatter-gather: cmd_per_lun * approx. 17 Kbytes h](j)}(h:h]h:}(hjMhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMehjIubj)}(hhh](h)}(hXMaximum number of SCSI commands issued to the driver for one logical unit (LUN, usually one SCSI target). Legal values start from 1. If tagged queuing (see below) is not used, values greater than 2 don't make sense, but waste memory. Otherwise, the maximum is the number of command tags available to the driver (currently 32). Default: 8/1. (Note: Values > 1 seem to cause problems on a Falcon, cause not yet known.)h]hXMaximum number of SCSI commands issued to the driver for one logical unit (LUN, usually one SCSI target). Legal values start from 1. If tagged queuing (see below) is not used, values greater than 2 don’t make sense, but waste memory. Otherwise, the maximum is the number of command tags available to the driver (currently 32). Default: 8/1. (Note: Values > 1 seem to cause problems on a Falcon, cause not yet known.)}(hj^hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMVhj[ubh)}(hThe value at a great part determines the amount of memory SCSI reserves for itself. The formula is rather complicated, but I can give you some hints:h]hThe value at a great part determines the amount of memory SCSI reserves for itself. The formula is rather complicated, but I can give you some hints:}(hjlhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM^hj[ubj)}(hdno scatter-gather: cmd_per_lun * 232 bytes full scatter-gather: cmd_per_lun * approx. 17 Kbytes h]j)}(hhh](j)}(h*no scatter-gather: cmd_per_lun * 232 bytesh](j)}(hno scatter-gather:h]hno scatter-gather:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMbhjubj)}(hhh]h)}(hcmd_per_lun * 232 bytesh]hcmd_per_lun * 232 bytes}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMchjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMbhj~ubj)}(h5full scatter-gather: cmd_per_lun * approx. 17 Kbytes h](j)}(hfull scatter-gather:h]hfull scatter-gather:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMehjubj)}(hhh]h)}(hcmd_per_lun * approx. 17 Kbytesh]hcmd_per_lun * approx. 17 Kbytes}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMehjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMehj~ubeh}(h]h ]h"]h$]h&]uh1jhjzubah}(h]h ]h"]h$]h&]uh1jhhhMbhj[ubeh}(h]h ]h"]h$]h&]uh1jhjIubeh}(h]h ]h"]h$]h&]uh1jhhhMehjubj)}(hX\: Size of the scatter-gather table, i.e. the number of requests consecutive on the disk that can be merged into one SCSI command. Legal values are between 0 and 255. Default: 255/0. Note: This value is forced to 0 on a Falcon, since scatter-gather isn't possible with the ST-DMA. Not using scatter-gather hurts performance significantly. h](j)}(h :h]h :}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMmhjubj)}(hhh]h)}(hXOSize of the scatter-gather table, i.e. the number of requests consecutive on the disk that can be merged into one SCSI command. Legal values are between 0 and 255. Default: 255/0. Note: This value is forced to 0 on a Falcon, since scatter-gather isn't possible with the ST-DMA. Not using scatter-gather hurts performance significantly.h]hXQSize of the scatter-gather table, i.e. the number of requests consecutive on the disk that can be merged into one SCSI command. Legal values are between 0 and 255. Default: 255/0. Note: This value is forced to 0 on a Falcon, since scatter-gather isn’t possible with the ST-DMA. Not using scatter-gather hurts performance significantly.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhhj ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMmhjubj)}(hX: The SCSI ID to be used by the initiator (your Atari). This is usually 7, the highest possible ID. Every ID on the SCSI bus must be unique. Default: determined at run time: If the NV-RAM checksum is valid, and bit 7 in byte 30 of the NV-RAM is set, the lower 3 bits of this byte are used as the host ID. (This method is defined by Atari and also used by some TOS HD drivers.) If the above isn't given, the default ID is 7. (both, TT and Falcon). h](j)}(h :h]h :}(hj*hhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMvhj&ubj)}(hhh]h)}(hXThe SCSI ID to be used by the initiator (your Atari). This is usually 7, the highest possible ID. Every ID on the SCSI bus must be unique. Default: determined at run time: If the NV-RAM checksum is valid, and bit 7 in byte 30 of the NV-RAM is set, the lower 3 bits of this byte are used as the host ID. (This method is defined by Atari and also used by some TOS HD drivers.) If the above isn't given, the default ID is 7. (both, TT and Falcon).h]hXThe SCSI ID to be used by the initiator (your Atari). This is usually 7, the highest possible ID. Every ID on the SCSI bus must be unique. Default: determined at run time: If the NV-RAM checksum is valid, and bit 7 in byte 30 of the NV-RAM is set, the lower 3 bits of this byte are used as the host ID. (This method is defined by Atari and also used by some TOS HD drivers.) If the above isn’t given, the default ID is 7. (both, TT and Falcon).}(hj;hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMphj8ubah}(h]h ]h"]h$]h&]uh1jhj&ubeh}(h]h ]h"]h$]h&]uh1jhhhMvhjubj)}(hX: 0 means turn off tagged queuing support, all other values > 0 mean use tagged queuing for targets that support it. Default: currently off, but this may change when tagged queuing handling has been proved to be reliable. Tagged queuing means that more than one command can be issued to one LUN, and the SCSI device itself orders the requests so they can be performed in optimal order. Not all SCSI devices support tagged queuing (:-(). h](j)}(h :h]h :}(hjYhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjUubj)}(hhh](h)}(h0 means turn off tagged queuing support, all other values > 0 mean use tagged queuing for targets that support it. Default: currently off, but this may change when tagged queuing handling has been proved to be reliable.h]h0 means turn off tagged queuing support, all other values > 0 mean use tagged queuing for targets that support it. Default: currently off, but this may change when tagged queuing handling has been proved to be reliable.}(hjjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMyhjgubh)}(hTagged queuing means that more than one command can be issued to one LUN, and the SCSI device itself orders the requests so they can be performed in optimal order. Not all SCSI devices support tagged queuing (:-().h]hTagged queuing means that more than one command can be issued to one LUN, and the SCSI device itself orders the requests so they can be performed in optimal order. Not all SCSI devices support tagged queuing (:-().}(hjxhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM~hjgubeh}(h]h ]h"]h$]h&]uh1jhjUubeh}(h]h ]h"]h$]h&]uh1jhhhMhjubeh}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhhhMMhjhhubeh}(h]atascsiah ]h"] 4.4) atascsi=ah$]h&]uh1hhjQ hhhhhM@ubh)}(hhh](h)}(h 4.5 switches=h]h 4.5 switches=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hswitches= h]h)}(hswitches=h]hswitches=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMubh)}(hWith this option you can switch some hardware lines that are often used to enable/disable certain hardware extensions. Examples are OverScan, overclocking, ...h]hWith this option you can switch some hardware lines that are often used to enable/disable certain hardware extensions. Examples are OverScan, overclocking, ...}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubh)}(hHThe is a comma-separated list of the following items:h]hHThe is a comma-separated list of the following items:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubj)}(hikbd: set RTS of the keyboard ACIA high midi: set RTS of the MIDI ACIA high snd6: set bit 6 of the PSG port A snd7: set bit 6 of the PSG port A h]j)}(hhh](j)}(h'ikbd: set RTS of the keyboard ACIA highh](j)}(hikbd:h]hikbd:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(hhh]h)}(h!set RTS of the keyboard ACIA highh]h!set RTS of the keyboard ACIA high}(hj'hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj$ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(h#midi: set RTS of the MIDI ACIA highh](j)}(hmidi:h]hmidi:}(hjEhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjAubj)}(hhh]h)}(hset RTS of the MIDI ACIA highh]hset RTS of the MIDI ACIA high}(hjVhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjSubah}(h]h ]h"]h$]h&]uh1jhjAubeh}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(h!snd6: set bit 6 of the PSG port Ah](j)}(hsnd6:h]hsnd6:}(hjthhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjpubj)}(hhh]h)}(hset bit 6 of the PSG port Ah]hset bit 6 of the PSG port A}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjpubeh}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(h"snd7: set bit 6 of the PSG port A h](j)}(hsnd7:h]hsnd7:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(hhh]h)}(hset bit 6 of the PSG port Ah]hset bit 6 of the PSG port A}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMhjubeh}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1jhhhMhjhhubh)}(hXIt doesn't make sense to mention a switch more than once (no difference to only once), but you can give as many switches as you want to enable different features. The switch lines are set as early as possible during kernel initialization (even before determining the present hardware.)h]hXIt doesn’t make sense to mention a switch more than once (no difference to only once), but you can give as many switches as you want to enable different features. The switch lines are set as early as possible during kernel initialization (even before determining the present hardware.)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubh)}(hXAll of the items can also be prefixed with `ov_`, i.e. `ov_ikbd`, `ov_midi`, ... These options are meant for switching on an OverScan video extension. The difference to the bare option is that the switch-on is done after video initialization, and somehow synchronized to the HBLANK. A speciality is that ov_ikbd and ov_midi are switched off before rebooting, so that OverScan is disabled and TOS boots correctly.h](h+All of the items can also be prefixed with }(hjhhhNhNubj )}(h`ov_`h]hov_}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubh, i.e. }(hjhhhNhNubj )}(h `ov_ikbd`h]hov_ikbd}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubh, }(hjhhhNhNubj )}(h `ov_midi`h]hov_midi}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubhXQ, ... These options are meant for switching on an OverScan video extension. The difference to the bare option is that the switch-on is done after video initialization, and somehow synchronized to the HBLANK. A speciality is that ov_ikbd and ov_midi are switched off before rebooting, so that OverScan is disabled and TOS boots correctly.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMhjhhubh)}(hIf you give an option both, with and without the `ov_` prefix, the earlier initialization (`ov_`-less) takes precedence. But the switching-off on reset still happens in this case.h](h1If you give an option both, with and without the }(hj,hhhNhNubj )}(h`ov_`h]hov_}(hj4hhhNhNubah}(h]h ]h"]h$]h&]uh1j hj,ubh% prefix, the earlier initialization (}(hj,hhhNhNubj )}(h`ov_`h]hov_}(hjFhhhNhNubah}(h]h ]h"]h$]h&]uh1j hj,ubhS-less) takes precedence. But the switching-off on reset still happens in this case.}(hj,hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMhjhhubeh}(h]switchesah ]h"] 4.5 switches=ah$]h&]uh1hhjQ hhhhhMubeh}(h]options-for-atari-onlyah ]h"]4) options for atari onlyah$]h&]uh1hhhhhhhhM-ubh)}(hhh](h)}(h5) Options for Amiga Only:h]h5) Options for Amiga Only:}(hjqhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjnhhhhhMubh)}(hhh](h)}(h 5.1) video=h]h 5.1) video=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(h video=: h]h)}(hvideo=:h]hvideo=:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMubh)}(hXcThe parameter specifies the name of the frame buffer, valid options are `amifb`, `cyber`, 'virge', `retz3` and `clgen`, provided that the respective frame buffer devices have been compiled into the kernel (or compiled as loadable modules). The behavior of the option was changed in 2.1.57 so it is now recommended to specify this option.h](hQThe parameter specifies the name of the frame buffer, valid options are }(hjhhhNhNubj )}(h`amifb`h]hamifb}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubh, }(hjhhhNhNubj )}(h`cyber`h]hcyber}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubh, ‘virge’, }(hjhhhNhNubj )}(h`retz3`h]hretz3}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubh and }(hjhhhNhNubj )}(h`clgen`h]hclgen}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubh, provided that the respective frame buffer devices have been compiled into the kernel (or compiled as loadable modules). The behavior of the option was changed in 2.1.57 so it is now recommended to specify this option.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMhjhhubh)}(hThe is a comma-separated list of the sub-options listed below. This option is organized similar to the Atari version of the "video"-option (4.1), but knows fewer sub-options.h]hThe is a comma-separated list of the sub-options listed below. This option is organized similar to the Atari version of the “video”-option (4.1), but knows fewer sub-options.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubeh}(h]id2ah ]h"] 5.1) video=ah$]h&]uh1hhjnhhhhhMubh)}(hhh](h)}(h5.1.1) video modeh]h5.1.1) video mode}(hj7hhhNhNubah}(h]h ]h"]h$]h&]uh1hhj4hhhhhMubh)}(htAgain, similar to the video mode for the Atari (see 4.1.1). Predefined modes depend on the used frame buffer device.h]htAgain, similar to the video mode for the Atari (see 4.1.1). Predefined modes depend on the used frame buffer device.}(hjEhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj4hhubh)}(hmOCS, ECS and AGA machines all use the color frame buffer. The following predefined video modes are available:h]hmOCS, ECS and AGA machines all use the color frame buffer. The following predefined video modes are available:}(hjShhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj4hhubj)}(hhh](j)}(hmNTSC modes: - ntsc : 640x200, 15 kHz, 60 Hz - ntsc-lace : 640x400, 15 kHz, 60 Hz interlaced h](j)}(h NTSC modes:h]h NTSC modes:}(hjhhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjdubj)}(hhh]j)}(hhh](j)}(h(ntsc : 640x200, 15 kHz, 60 Hzh]h)}(hj~h]h(ntsc : 640x200, 15 kHz, 60 Hz}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj|ubah}(h]h ]h"]h$]h&]uh1jhjyubj)}(h4ntsc-lace : 640x400, 15 kHz, 60 Hz interlaced h]h)}(h3ntsc-lace : 640x400, 15 kHz, 60 Hz interlacedh]h3ntsc-lace : 640x400, 15 kHz, 60 Hz interlaced}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjyubeh}(h]h ]h"]h$]h&]jgjhuh1jhhhMhjvubah}(h]h ]h"]h$]h&]uh1jhjdubeh}(h]h ]h"]h$]h&]uh1jhhhMhjaubj)}(hlPAL modes: - pal : 640x256, 15 kHz, 50 Hz - pal-lace : 640x512, 15 kHz, 50 Hz interlaced h](j)}(h PAL modes:h]h PAL modes:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(hhh]j)}(hhh](j)}(h(pal : 640x256, 15 kHz, 50 Hzh]h)}(hjh]h(pal : 640x256, 15 kHz, 50 Hz}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(h4pal-lace : 640x512, 15 kHz, 50 Hz interlaced h]h)}(h3pal-lace : 640x512, 15 kHz, 50 Hz interlacedh]h3pal-lace : 640x512, 15 kHz, 50 Hz interlaced}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]jgjhuh1jhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMhjahhubj)}(hXECS modes: - multiscan : 640x480, 29 kHz, 57 Hz - multiscan-lace : 640x960, 29 kHz, 57 Hz interlaced - euro36 : 640x200, 15 kHz, 72 Hz - euro36-lace : 640x400, 15 kHz, 72 Hz interlaced - euro72 : 640x400, 29 kHz, 68 Hz - euro72-lace : 640x800, 29 kHz, 68 Hz interlaced - super72 : 800x300, 23 kHz, 70 Hz - super72-lace : 800x600, 23 kHz, 70 Hz interlaced - dblntsc-ff : 640x400, 27 kHz, 57 Hz - dblntsc-lace : 640x800, 27 kHz, 57 Hz interlaced - dblpal-ff : 640x512, 27 kHz, 47 Hz - dblpal-lace : 640x1024, 27 kHz, 47 Hz interlaced - dblntsc : 640x200, 27 kHz, 57 Hz doublescan - dblpal : 640x256, 27 kHz, 47 Hz doublescan h](j)}(h ECS modes:h]h ECS modes:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(hhh]j)}(hhh](j)}(h(multiscan : 640x480, 29 kHz, 57 Hzh]h)}(hj0h]h(multiscan : 640x480, 29 kHz, 57 Hz}(hj2hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj.ubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h3multiscan-lace : 640x960, 29 kHz, 57 Hz interlacedh]h)}(hjGh]h3multiscan-lace : 640x960, 29 kHz, 57 Hz interlaced}(hjIhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjEubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h(euro36 : 640x200, 15 kHz, 72 Hzh]h)}(hj^h]h(euro36 : 640x200, 15 kHz, 72 Hz}(hj`hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj\ubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h3euro36-lace : 640x400, 15 kHz, 72 Hz interlacedh]h)}(hjuh]h3euro36-lace : 640x400, 15 kHz, 72 Hz interlaced}(hjwhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjsubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h(euro72 : 640x400, 29 kHz, 68 Hzh]h)}(hjh]h(euro72 : 640x400, 29 kHz, 68 Hz}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h3euro72-lace : 640x800, 29 kHz, 68 Hz interlacedh]h)}(hjh]h3euro72-lace : 640x800, 29 kHz, 68 Hz interlaced}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h(super72 : 800x300, 23 kHz, 70 Hzh]h)}(hjh]h(super72 : 800x300, 23 kHz, 70 Hz}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h3super72-lace : 800x600, 23 kHz, 70 Hz interlacedh]h)}(hjh]h3super72-lace : 800x600, 23 kHz, 70 Hz interlaced}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h(dblntsc-ff : 640x400, 27 kHz, 57 Hzh]h)}(hjh]h(dblntsc-ff : 640x400, 27 kHz, 57 Hz}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h3dblntsc-lace : 640x800, 27 kHz, 57 Hz interlacedh]h)}(hjh]h3dblntsc-lace : 640x800, 27 kHz, 57 Hz interlaced}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h(dblpal-ff : 640x512, 27 kHz, 47 Hzh]h)}(hjh]h(dblpal-ff : 640x512, 27 kHz, 47 Hz}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h4dblpal-lace : 640x1024, 27 kHz, 47 Hz interlacedh]h)}(hj-h]h4dblpal-lace : 640x1024, 27 kHz, 47 Hz interlaced}(hj/hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj+ubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h3dblntsc : 640x200, 27 kHz, 57 Hz doublescanh]h)}(hjDh]h3dblntsc : 640x200, 27 kHz, 57 Hz doublescan}(hjFhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjBubah}(h]h ]h"]h$]h&]uh1jhj+ubj)}(h4dblpal : 640x256, 27 kHz, 47 Hz doublescan h]h)}(h3dblpal : 640x256, 27 kHz, 47 Hz doublescanh]h3dblpal : 640x256, 27 kHz, 47 Hz doublescan}(hj]hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjYubah}(h]h ]h"]h$]h&]uh1jhj+ubeh}(h]h ]h"]h$]h&]jgjhuh1jhhhMhj(ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMhjahhubj)}(haVGA modes: - vga : 640x480, 31 kHz, 60 Hz - vga70 : 640x400, 31 kHz, 70 Hz h](j)}(h VGA modes:h]h VGA modes:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhMhjubj)}(hhh]j)}(hhh](j)}(h(vga : 640x480, 31 kHz, 60 Hzh]h)}(hjh]h(vga : 640x480, 31 kHz, 60 Hz}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(h)vga70 : 640x400, 31 kHz, 70 Hz h]h)}(h(vga70 : 640x400, 31 kHz, 70 Hzh]h(vga70 : 640x400, 31 kHz, 70 Hz}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]jgjhuh1jhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhMhjahhubeh}(h]h ]h"]h$]h&]uh1jhj4hhhNhNubh)}(hPlease notice that the ECS and VGA modes require either an ECS or AGA chipset, and that these modes are limited to 2-bit color for the ECS chipset and 8-bit color for the AGA chipset.h]hPlease notice that the ECS and VGA modes require either an ECS or AGA chipset, and that these modes are limited to 2-bit color for the ECS chipset and 8-bit color for the AGA chipset.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj4hhubeh}(h]id3ah ]h"]5.1.1) video modeah$]h&]uh1hhjnhhhhhMubh)}(hhh](h)}(h 5.1.2) depthh]h 5.1.2) depth}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhj hhhKubjj)}(hdepth: h]h)}(hdepth:h]hdepth:}(hj!hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jihj ubeh}(h]h ]h"]h$]h&]uh1jThhhMhj hhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMubh)}(h=Specify the number of bit-planes for the selected video-mode.h]h=Specify the number of bit-planes for the selected video-mode.}(hjAhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubeh}(h]depthah ]h"] 5.1.2) depthah$]h&]uh1hhjnhhhhhMubh)}(hhh](h)}(h5.1.3) inverseh]h5.1.3) inverse}(hjZhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjWhhhhhMubh)}(hgUse inverted display (black on white). Functionally the same as the "inverse" sub-option for the Atari.h]hkUse inverted display (black on white). Functionally the same as the “inverse” sub-option for the Atari.}(hjhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjWhhubeh}(h]id4ah ]h"]5.1.3) inverseah$]h&]uh1hhjnhhhhhMubh)}(hhh](h)}(h 5.1.4) fonth]h 5.1.4) font}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhj~hhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hfont: h]h)}(hfont:h]hfont:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhjhhubah}(h]h ]h"]h$]h&]uh1jOhj~hhhhhMubh)}(hSpecify the font to use in text modes. Functionally the same as the "font" sub-option for the Atari, except that `PEARL8x8` is used instead of `VGA8x8` if the vertical size of the display is less than 400 pixel rows.h](huSpecify the font to use in text modes. Functionally the same as the “font” sub-option for the Atari, except that }(hjhhhNhNubj )}(h `PEARL8x8`h]hPEARL8x8}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubh is used instead of }(hjhhhNhNubj )}(h`VGA8x8`h]hVGA8x8}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubhA if the vertical size of the display is less than 400 pixel rows.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMhj~hhubeh}(h]id5ah ]h"] 5.1.4) fontah$]h&]uh1hhjnhhhhhMubh)}(hhh](h)}(h5.1.5) monitorcap:h]h5.1.5) monitorcap:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(h'monitorcap:;;; h]h)}(h&monitorcap:;;;h]h&monitorcap:;;;}(hj*hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj&ubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMubh)}(hThis describes the capabilities of a multisync monitor. For now, only the color frame buffer uses the settings of "monitorcap:".h]hThis describes the capabilities of a multisync monitor. For now, only the color frame buffer uses the settings of “monitorcap:”.}(hjJhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubh)}(h and are the minimum and maximum, resp., vertical frequencies your monitor can work with, in Hz. and are the same for the horizontal frequency, in kHz.h]h and are the minimum and maximum, resp., vertical frequencies your monitor can work with, in Hz. and are the same for the horizontal frequency, in kHz.}(hjXhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubh)}(h?The defaults are 50;90;15;38 (Generic Amiga multisync monitor).h]h?The defaults are 50;90;15;38 (Generic Amiga multisync monitor).}(hjfhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM hjhhubeh}(h]id6ah ]h"]5.1.5) monitorcap:ah$]h&]uh1hhjnhhhhhMubh)}(hhh](h)}(h5.2) fd_def_df0=h]h5.2) fd_def_df0=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhj|hhhhhM ubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hfd_def_df0= h]h)}(hfd_def_df0=h]hfd_def_df0=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhjhhubah}(h]h ]h"]h$]h&]uh1jOhj|hhhhhMubh)}(hcSets the df0 value for "silent" floppy drives. The value should be in hexadecimal with "0x" prefix.h]hkSets the df0 value for “silent” floppy drives. The value should be in hexadecimal with “0x” prefix.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhj|hhubeh}(h] fd-def-df0ah ]h"]5.2) fd_def_df0=ah$]h&]uh1hhjnhhhhhM ubh)}(hhh](h)}(h 5.3) wd33c93=h]h 5.3) wd33c93=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hwd33c93= h]h)}(hwd33c93=h]hwd33c93=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMubh)}(hNThese options affect the A590/A2091, A3000 and GVP Series II SCSI controllers.h]hNThese options affect the A590/A2091, A3000 and GVP Series II SCSI controllers.}(hj$hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubh)}(hLThe is a comma-separated list of the sub-options listed below.h]hLThe is a comma-separated list of the sub-options listed below.}(hj2hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjhhubeh}(h]wd33c93ah ]h"] 5.3) wd33c93=ah$]h&]uh1hhjnhhhhhMubh)}(hhh](h)}(h 5.3.1) nosynch]h 5.3.1) nosync}(hjKhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjHhhhhhM!ubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hj_hhhNhNubah}(h]h ]h"]h$]h&]uh1jYhj\hhhKubjj)}(hnosync:bitmask h]h)}(hnosync:bitmaskh]hnosync:bitmask}(hjqhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM#hjmubah}(h]h ]h"]h$]h&]uh1jihj\ubeh}(h]h ]h"]h$]h&]uh1jThhhM#hjYhhubah}(h]h ]h"]h$]h&]uh1jOhjHhhhhhM#ubh)}(hX[bitmask is a byte where the 1st 7 bits correspond with the 7 possible SCSI devices. Set a bit to prevent sync negotiation on that device. To maintain backwards compatibility, a command-line such as "wd33c93=255" will be automatically translated to "wd33c93=nosync:0xff". The default is to disable sync negotiation for all devices, eg. nosync:0xff.h]hXcbitmask is a byte where the 1st 7 bits correspond with the 7 possible SCSI devices. Set a bit to prevent sync negotiation on that device. To maintain backwards compatibility, a command-line such as “wd33c93=255” will be automatically translated to “wd33c93=nosync:0xff”. The default is to disable sync negotiation for all devices, eg. nosync:0xff.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM%hjHhhubeh}(h]nosyncah ]h"] 5.3.1) nosyncah$]h&]uh1hhjnhhhhhM!ubh)}(hhh](h)}(h 5.3.2) periodh]h 5.3.2) period}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhM-ubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(h period:ns h]h)}(h period:nsh]h period:ns}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM/hjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhM/hjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhM/ubh)}(hv`ns` is the minimum # of nanoseconds in a SCSI data transfer period. Default is 500; acceptable values are 250 - 1000.h](j )}(h`ns`h]hns}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubhr is the minimum # of nanoseconds in a SCSI data transfer period. Default is 500; acceptable values are 250 - 1000.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhM1hjhhubeh}(h]periodah ]h"] 5.3.2) periodah$]h&]uh1hhjnhhhhhM-ubh)}(hhh](h)}(h5.3.3) disconnecth]h5.3.3) disconnect}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhM5ubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hj+hhhNhNubah}(h]h ]h"]h$]h&]uh1jYhj(hhhKubjj)}(h disconnect:x h]h)}(h disconnect:xh]h disconnect:x}(hj=hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM7hj9ubah}(h]h ]h"]h$]h&]uh1jihj(ubeh}(h]h ]h"]h$]h&]uh1jThhhM7hj%hhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhM7ubh)}(hSpecify x = 0 to never allow disconnects, 2 to always allow them. x = 1 does 'adaptive' disconnects, which is the default and generally the best choice.h]hSpecify x = 0 to never allow disconnects, 2 to always allow them. x = 1 does ‘adaptive’ disconnects, which is the default and generally the best choice.}(hj]hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM9hjhhubeh}(h] disconnectah ]h"]5.3.3) disconnectah$]h&]uh1hhjnhhhhhM5ubh)}(hhh](h)}(h 5.3.4) debugh]h 5.3.4) debug}(hjvhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjshhhhhM>ubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hdebug:x h]h)}(hdebug:xh]hdebug:x}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM@hjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhM@hjhhubah}(h]h ]h"]h$]h&]uh1jOhjshhhhhM@ubh)}(hIf `DEBUGGING_ON` is defined, x is a bit mask that causes various types of debug output to printed - see the DB_xxx defines in wd33c93.h.h](hIf }(hjhhhNhNubj )}(h`DEBUGGING_ON`h]h DEBUGGING_ON}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1j hjubhx is defined, x is a bit mask that causes various types of debug output to printed - see the DB_xxx defines in wd33c93.h.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMBhjshhubeh}(h]id7ah ]h"] 5.3.4) debugah$]h&]uh1hhjnhhhhhM>ubh)}(hhh](h)}(h 5.3.5) clockh]h 5.3.5) clock}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMGubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hclock:x h]h)}(hclock:xh]hclock:x}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMIhj ubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMIhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMIubh)}(hXUx = clock input in MHz for WD33c93 chip. Normal values would be from 8 through 20. The default value depends on your hostadapter(s), default for the A3000 internal controller is 14, for the A2091 it's 8 and for the GVP hostadapters it's either 8 or 14, depending on the hostadapter and the SCSI-clock jumper present on some GVP hostadapters.h]hXYx = clock input in MHz for WD33c93 chip. Normal values would be from 8 through 20. The default value depends on your hostadapter(s), default for the A3000 internal controller is 14, for the A2091 it’s 8 and for the GVP hostadapters it’s either 8 or 14, depending on the hostadapter and the SCSI-clock jumper present on some GVP hostadapters.}(hj-hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMKhjhhubeh}(h]clockah ]h"] 5.3.5) clockah$]h&]uh1hhjnhhhhhMGubh)}(hhh](h)}(h 5.3.6) nexth]h 5.3.6) next}(hjFhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjChhhhhMSubh)}(huNo argument. Used to separate blocks of keywords when there's more than one wd33c93-based host adapter in the system.h]hwNo argument. Used to separate blocks of keywords when there’s more than one wd33c93-based host adapter in the system.}(hjThhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMUhjChhubeh}(h]nextah ]h"] 5.3.6) nextah$]h&]uh1hhjnhhhhhMSubh)}(hhh](h)}(h 5.3.7) nodmah]h 5.3.7) nodma}(hjmhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjjhhhhhMYubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhj~hhhKubjj)}(hnodma:x h]h)}(hnodma:xh]hnodma:x}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM[hjubah}(h]h ]h"]h$]h&]uh1jihj~ubeh}(h]h ]h"]h$]h&]uh1jThhhM[hj{hhubah}(h]h ]h"]h$]h&]uh1jOhjjhhhhhM[ubh)}(hXYIf x is 1 (or if the option is just written as "nodma"), the WD33c93 controller will not use DMA (= direct memory access) to access the Amiga's memory. This is useful for some systems (like A3000's and A4000's with the A3640 accelerator, revision 3.0) that have problems using DMA to chip memory. The default is 0, i.e. to use DMA if possible.h]hXcIf x is 1 (or if the option is just written as “nodma”), the WD33c93 controller will not use DMA (= direct memory access) to access the Amiga’s memory. This is useful for some systems (like A3000’s and A4000’s with the A3640 accelerator, revision 3.0) that have problems using DMA to chip memory. The default is 0, i.e. to use DMA if possible.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM]hjjhhubeh}(h]nodmaah ]h"] 5.3.7) nodmaah$]h&]uh1hhjnhhhhhMYubh)}(hhh](h)}(h 5.4) gvp11=h]h 5.4) gvp11=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhMfubjP)}(hhh]jU)}(hhh](jZ)}(hSyntaxh]hSyntax}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jYhjhhhKubjj)}(hgvp11= h]h)}(hgvp11=h]hgvp11=}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhhjubah}(h]h ]h"]h$]h&]uh1jihjubeh}(h]h ]h"]h$]h&]uh1jThhhMhhjhhubah}(h]h ]h"]h$]h&]uh1jOhjhhhhhMhubh)}(hX1The earlier versions of the GVP driver did not handle DMA address-mask settings correctly which made it necessary for some people to use this option, in order to get their GVP controller running under Linux. These problems have hopefully been solved and the use of this option is now highly unrecommended!h]hX1The earlier versions of the GVP driver did not handle DMA address-mask settings correctly which made it necessary for some people to use this option, in order to get their GVP controller running under Linux. These problems have hopefully been solved and the use of this option is now highly unrecommended!}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMjhjhhubh)}(hXIncorrect use can lead to unpredictable behavior, so please only use this option if you *know* what you are doing and have a reason to do so. In any case if you experience problems and need to use this option, please inform us about it by mailing to the Linux/68k kernel mailing list.h](hXIncorrect use can lead to unpredictable behavior, so please only use this option if you }(hj hhhNhNubhemphasis)}(h*know*h]hknow}(hj*hhhNhNubah}(h]h ]h"]h$]h&]uh1j(hj ubh what you are doing and have a reason to do so. In any case if you experience problems and need to use this option, please inform us about it by mailing to the Linux/68k kernel mailing list.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMphjhhubh)}(hThe address mask set by this option specifies which addresses are valid for DMA with the GVP Series II SCSI controller. An address is valid, if no bits are set except the bits that are set in the mask, too.h]hThe address mask set by this option specifies which addresses are valid for DMA with the GVP Series II SCSI controller. An address is valid, if no bits are set except the bits that are set in the mask, too.}(hjBhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMvhjhhubh)}(hXLSome versions of the GVP can only DMA into a 24 bit address range, some can address a 25 bit address range while others can use the whole 32 bit address range for DMA. The correct setting depends on your controller and should be autodetected by the driver. An example is the 24 bit region which is specified by a mask of 0x00fffffe.Gh]hXLSome versions of the GVP can only DMA into a 24 bit address range, some can address a 25 bit address range while others can use the whole 32 bit address range for DMA. The correct setting depends on your controller and should be autodetected by the driver. 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