€•.6Œsphinx.addnodes”Œdocument”“”)”}”(Œ rawsource”Œ”Œchildren”]”(Œ translations”Œ LanguagesNode”“”)”}”(hhh]”(hŒ pending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ refdomain”Œstd”Œreftype”Œdoc”Œ reftarget”Œ/translations/zh_CN/hwmon/lm80”Œmodname”NŒ classname”NŒ refexplicit”ˆuŒtagname”hhh ubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ/translations/zh_TW/hwmon/lm80”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ/translations/it_IT/hwmon/lm80”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ/translations/ja_JP/hwmon/lm80”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ/translations/ko_KR/hwmon/lm80”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ/translations/sp_SP/hwmon/lm80”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h hhŒ _document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒKernel driver lm80”h]”hŒKernel driver lm80”…””}”(hh¨hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hh£hžhhŸŒ8/var/lib/git/docbuild/linux/Documentation/hwmon/lm80.rst”h KubhŒ paragraph”“”)”}”(hŒSupported chips:”h]”hŒSupported chips:”…””}”(hh¹hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubhŒ block_quote”“”)”}”(hX* National Semiconductor LM80 Prefix: 'lm80' Addresses scanned: I2C 0x28 - 0x2f Datasheet: Publicly available at the National Semiconductor website http://www.national.com/ * National Semiconductor LM96080 Prefix: 'lm96080' Addresses scanned: I2C 0x28 - 0x2f Datasheet: Publicly available at the National Semiconductor website http://www.national.com/ ”h]”hŒ bullet_list”“”)”}”(hhh]”(hŒ list_item”“”)”}”(hŒºNational Semiconductor LM80 Prefix: 'lm80' Addresses scanned: I2C 0x28 - 0x2f Datasheet: Publicly available at the National Semiconductor website http://www.national.com/ ”h]”(h¸)”}”(hŒNational Semiconductor LM80”h]”hŒNational Semiconductor LM80”…””}”(hhØhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KhhÔubh¸)”}”(hŒPrefix: 'lm80'”h]”hŒPrefix: ‘lm80’”…””}”(hhæhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KhhÔubh¸)”}”(hŒ"Addresses scanned: I2C 0x28 - 0x2f”h]”hŒ"Addresses scanned: I2C 0x28 - 0x2f”…””}”(hhôhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K hhÔubh¸)”}”(hŒCDatasheet: Publicly available at the National Semiconductor website”h]”hŒCDatasheet: Publicly available at the National Semiconductor website”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K hhÔubhÈ)”}”(hŒhttp://www.national.com/ ”h]”h¸)”}”(hŒhttp://www.national.com/”h]”hŒ reference”“”)”}”(hjh]”hŒhttp://www.national.com/”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”juh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khjubah}”(h]”h ]”h"]”h$]”h&]”uh1hÇhŸh¶h KhhÔubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÒhhÏubhÓ)”}”(hŒÁNational Semiconductor LM96080 Prefix: 'lm96080' Addresses scanned: I2C 0x28 - 0x2f Datasheet: Publicly available at the National Semiconductor website http://www.national.com/ ”h]”(h¸)”}”(hŒNational Semiconductor LM96080”h]”hŒNational Semiconductor LM96080”…””}”(hj>hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khj:ubh¸)”}”(hŒPrefix: 'lm96080'”h]”hŒPrefix: ‘lm96080’”…””}”(hjLhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khj:ubh¸)”}”(hŒ"Addresses scanned: I2C 0x28 - 0x2f”h]”hŒ"Addresses scanned: I2C 0x28 - 0x2f”…””}”(hjZhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khj:ubh¸)”}”(hŒCDatasheet: Publicly available at the National Semiconductor website”h]”hŒCDatasheet: Publicly available at the National Semiconductor website”…””}”(hjhhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khj:ubhÈ)”}”(hŒhttp://www.national.com/ ”h]”h¸)”}”(hŒhttp://www.national.com/”h]”j)”}”(hj|h]”hŒhttp://www.national.com/”…””}”(hj~hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”j|uh1jhjzubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khjvubah}”(h]”h ]”h"]”h$]”h&]”uh1hÇhŸh¶h Khj:ubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÒhhÏubeh}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ*”uh1hÍhŸh¶h KhhÉubah}”(h]”h ]”h"]”h$]”h&]”uh1hÇhŸh¶h Khh£hžhubhŒdefinition_list”“”)”}”(hhh]”hŒdefinition_list_item”“”)”}”(hŒTAuthors: - Frodo Looijaard , - Philip Edelbrock ”h]”(hŒterm”“”)”}”(hŒAuthors:”h]”hŒAuthors:”…””}”(hj¹hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1j·hŸh¶h Khj³ubhŒ definition”“”)”}”(hhh]”hÎ)”}”(hhh]”(hÓ)”}”(hŒ Frodo Looijaard ,”h]”h¸)”}”(hjÑh]”(hŒFrodo Looijaard <”…””}”(hjÓhžhhŸNh Nubj)”}”(hŒ frodol@dds.nl”h]”hŒ frodol@dds.nl”…””}”(hjÚhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:frodol@dds.nl”uh1jhjÓubhŒ>,”…””}”(hjÓhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KhjÏubah}”(h]”h ]”h"]”h$]”h&]”uh1hÒhjÌubhÓ)”}”(hŒ&Philip Edelbrock ”h]”h¸)”}”(hŒ%Philip Edelbrock ”h]”(hŒPhilip Edelbrock <”…””}”(hjþhžhhŸNh Nubj)”}”(hŒphil@netroedge.com”h]”hŒphil@netroedge.com”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:phil@netroedge.com”uh1jhjþubhŒ>”…””}”(hjþhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khjúubah}”(h]”h ]”h"]”h$]”h&]”uh1hÒhjÌubeh}”(h]”h ]”h"]”h$]”h&]”j¤Œ-”uh1hÍhŸh¶h KhjÉubah}”(h]”h ]”h"]”h$]”h&]”uh1jÇhj³ubeh}”(h]”h ]”h"]”h$]”h&]”uh1j±hŸh¶h Khj®ubah}”(h]”h ]”h"]”h$]”h&]”uh1j¬hh£hžhhŸNh Nubh¢)”}”(hhh]”(h§)”}”(hŒ Description”h]”hŒ Description”…””}”(hjBhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hj?hžhhŸh¶h K ubh¸)”}”(hX0This driver implements support for the National Semiconductor LM80. It is described as a 'Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor'. The LM96080 is a more recent incarnation, it is pin and register compatible, with a few additional features not yet supported by the driver.”h]”hX4This driver implements support for the National Semiconductor LM80. It is described as a ‘Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor’. The LM96080 is a more recent incarnation, it is pin and register compatible, with a few additional features not yet supported by the driver.”…””}”(hjPhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K"hj?hžhubh¸)”}”(hŒˆThe LM80 implements one temperature sensor, two fan rotation speed sensors, seven voltage sensors, alarms, and some miscellaneous stuff.”h]”hŒˆThe LM80 implements one temperature sensor, two fan rotation speed sensors, seven voltage sensors, alarms, and some miscellaneous stuff.”…””}”(hj^hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K(hj?hžhubh¸)”}”(hX+Temperatures are measured in degrees Celsius. There are two sets of limits which operate independently. When the HOT Temperature Limit is crossed, this will cause an alarm that will be reasserted until the temperature drops below the HOT Hysteresis. The Overtemperature Shutdown (OS) limits should work in the same way (but this must be checked; the datasheet is unclear about this). Measurements are guaranteed between -55 and +125 degrees. The current temperature measurement has a resolution of 0.0625 degrees; the limits have a resolution of 1 degree.”h]”hX+Temperatures are measured in degrees Celsius. There are two sets of limits which operate independently. When the HOT Temperature Limit is crossed, this will cause an alarm that will be reasserted until the temperature drops below the HOT Hysteresis. The Overtemperature Shutdown (OS) limits should work in the same way (but this must be checked; the datasheet is unclear about this). Measurements are guaranteed between -55 and +125 degrees. The current temperature measurement has a resolution of 0.0625 degrees; the limits have a resolution of 1 degree.”…””}”(hjlhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K+hj?hžhubh¸)”}”(hX™Fan rotation speeds are reported in RPM (rotations per minute). An alarm is triggered if the rotation speed has dropped below a programmable limit. Fan readings can be divided by a programmable divider (1, 2, 4 or 8) to give the readings more range or accuracy. Not all RPM values can accurately be represented, so some rounding is done. With a divider of 2, the lowest representable value is around 2600 RPM.”h]”hX™Fan rotation speeds are reported in RPM (rotations per minute). An alarm is triggered if the rotation speed has dropped below a programmable limit. Fan readings can be divided by a programmable divider (1, 2, 4 or 8) to give the readings more range or accuracy. Not all RPM values can accurately be represented, so some rounding is done. With a divider of 2, the lowest representable value is around 2600 RPM.”…””}”(hjzhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K4hj?hžhubh¸)”}”(hXxVoltage sensors (also known as IN sensors) report their values in volts. An alarm is triggered if the voltage has crossed a programmable minimum or maximum limit. Note that minimum in this case always means 'closest to zero'; this is important for negative voltage measurements. All voltage inputs can measure voltages between 0 and 2.55 volts, with a resolution of 0.01 volt.”h]”hX|Voltage sensors (also known as IN sensors) report their values in volts. An alarm is triggered if the voltage has crossed a programmable minimum or maximum limit. Note that minimum in this case always means ‘closest to zero’; this is important for negative voltage measurements. All voltage inputs can measure voltages between 0 and 2.55 volts, with a resolution of 0.01 volt.”…””}”(hjˆhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K;hj?hžhubh¸)”}”(hX|If an alarm triggers, it will remain triggered until the hardware register is read at least once. This means that the cause for the alarm may already have disappeared! Note that in the current implementation, all hardware registers are read whenever any data is read (unless it is less than 2.0 seconds since the last update). This means that you can easily miss once-only alarms.”h]”hX|If an alarm triggers, it will remain triggered until the hardware register is read at least once. This means that the cause for the alarm may already have disappeared! Note that in the current implementation, all hardware registers are read whenever any data is read (unless it is less than 2.0 seconds since the last update). 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