€•V(Œsphinx.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/pc87427”Œmodname”NŒ classname”NŒ refexplicit”ˆuŒtagname”hhh ubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/zh_TW/hwmon/pc87427”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/it_IT/hwmon/pc87427”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/ja_JP/hwmon/pc87427”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/ko_KR/hwmon/pc87427”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ!/translations/sp_SP/hwmon/pc87427”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h hhŒ _document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒKernel driver pc87427”h]”hŒKernel driver pc87427”…””}”(hh¨hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hh£hžhhŸŒ;/var/lib/git/docbuild/linux/Documentation/hwmon/pc87427.rst”h KubhŒ paragraph”“”)”}”(hŒSupported chips:”h]”hŒSupported chips:”…””}”(hh¹hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubhŒ block_quote”“”)”}”(hŒ* National Semiconductor PC87427 Prefix: 'pc87427' Addresses scanned: none, address read from Super I/O config space Datasheet: No longer available ”h]”hŒ bullet_list”“”)”}”(hhh]”hŒ list_item”“”)”}”(hŒ•National Semiconductor PC87427 Prefix: 'pc87427' Addresses scanned: none, address read from Super I/O config space Datasheet: No longer available ”h]”(h¸)”}”(hŒNational Semiconductor PC87427”h]”hŒNational Semiconductor PC87427”…””}”(hhØhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KhhÔubh¸)”}”(hŒPrefix: 'pc87427'”h]”hŒPrefix: ‘pc87427’”…””}”(hhæhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KhhÔubh¸)”}”(hŒAAddresses scanned: none, address read from Super I/O config space”h]”hŒAAddresses scanned: none, address read from Super I/O config space”…””}”(hhôhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K hhÔubh¸)”}”(hŒDatasheet: No longer available”h]”hŒDatasheet: No longer available”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K hhÔubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÒhhÏubah}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ*”uh1hÍhŸh¶h KhhÉubah}”(h]”h ]”h"]”h$]”h&]”uh1hÇhŸh¶h Khh£hžhubh¸)”}”(hŒ'Author: Jean Delvare ”h]”(hŒAuthor: Jean Delvare <”…””}”(hj$hžhhŸNh NubhŒ reference”“”)”}”(hŒjdelvare@suse.de”h]”hŒjdelvare@suse.de”…””}”(hj.hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:jdelvare@suse.de”uh1j,hj$ubhŒ>”…””}”(hj$hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubh¸)”}”(hŒƒThanks to Amir Habibi at Candelis for setting up a test system, and to Michael Kress for testing several iterations of this driver.”h]”hŒƒThanks to Amir Habibi at Candelis for setting up a test system, and to Michael Kress for testing several iterations of this driver.”…””}”(hjHhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubh¢)”}”(hhh]”(h§)”}”(hŒ Description”h]”hŒ Description”…””}”(hjYhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hjVhžhhŸh¶h Kubh¸)”}”(hŒîThe National Semiconductor Super I/O chip includes complete hardware monitoring capabilities. It can monitor up to 18 voltages, 8 fans and 6 temperature sensors. Only the fans and temperatures are supported at the moment, voltages aren't.”h]”hŒðThe National Semiconductor Super I/O chip includes complete hardware monitoring capabilities. It can monitor up to 18 voltages, 8 fans and 6 temperature sensors. Only the fans and temperatures are supported at the moment, voltages aren’t.”…””}”(hjghžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KhjVhžhubh¸)”}”(hŒmThis chip also has fan controlling features (up to 4 PWM outputs), which are partly supported by this driver.”h]”hŒmThis chip also has fan controlling features (up to 4 PWM outputs), which are partly supported by this driver.”…””}”(hjuhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KhjVhžhubh¸)”}”(hŒQThe driver assumes that no more than one chip is present, which seems reasonable.”h]”hŒQThe driver assumes that no more than one chip is present, which seems reasonable.”…””}”(hjƒhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KhjVhžhubeh}”(h]”Œ description”ah ]”h"]”Œ description”ah$]”h&]”uh1h¡hh£hžhhŸh¶h Kubh¢)”}”(hhh]”(h§)”}”(hŒFan Monitoring”h]”hŒFan Monitoring”…””}”(hjœhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hj™hžhhŸh¶h K$ubh¸)”}”(hŒsFan rotation speeds are reported as 14-bit values from a gated clock signal. Speeds down to 83 RPM can be measured.”h]”hŒsFan rotation speeds are reported as 14-bit values from a gated clock signal. Speeds down to 83 RPM can be measured.”…””}”(hjªhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K&hj™hžhubh¸)”}”(hŒ³An alarm is triggered if the rotation speed drops below a programmable limit. Another alarm is triggered if the speed is too low to be measured (including stalled or missing fan).”h]”hŒ³An alarm is triggered if the rotation speed drops below a programmable limit. Another alarm is triggered if the speed is too low to be measured (including stalled or missing fan).”…””}”(hj¸hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K)hj™hžhubeh}”(h]”Œfan-monitoring”ah ]”h"]”Œfan monitoring”ah$]”h&]”uh1h¡hh£hžhhŸh¶h K$ubh¢)”}”(hhh]”(h§)”}”(hŒFan Speed Control”h]”hŒFan Speed Control”…””}”(hjÑhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hjÎhžhhŸh¶h K/ubh¸)”}”(hX Fan speed can be controlled by PWM outputs. There are 4 possible modes: always off, always on, manual and automatic. The latter isn't supported by the driver: you can only return to that mode if it was the original setting, and the configuration interface is missing.”h]”hX Fan speed can be controlled by PWM outputs. There are 4 possible modes: always off, always on, manual and automatic. The latter isn’t supported by the driver: you can only return to that mode if it was the original setting, and the configuration interface is missing.”…””}”(hjßhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K1hjÎhžhubeh}”(h]”Œfan-speed-control”ah ]”h"]”Œfan speed control”ah$]”h&]”uh1h¡hh£hžhhŸh¶h K/ubh¢)”}”(hhh]”(h§)”}”(hŒTemperature Monitoring”h]”hŒTemperature Monitoring”…””}”(hjøhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hjõhžhhŸh¶h K8ubh¸)”}”(hXfThe PC87427 relies on external sensors (following the SensorPath standard), so the resolution and range depend on the type of sensor connected. The integer part can be 8-bit or 9-bit, and can be signed or not. I couldn't find a way to figure out the external sensor data temperature format, so user-space adjustment (typically by a factor 2) may be required.”h]”hXhThe PC87427 relies on external sensors (following the SensorPath standard), so the resolution and range depend on the type of sensor connected. The integer part can be 8-bit or 9-bit, and can be signed or not. I couldn’t find a way to figure out the external sensor data temperature format, so user-space adjustment (typically by a factor 2) may be required.”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K:hjõhžhubeh}”(h]”Œtemperature-monitoring”ah ]”h"]”Œtemperature monitoring”ah$]”h&]”uh1h¡hh£hžhhŸh¶h K8ubeh}”(h]”Œkernel-driver-pc87427”ah ]”h"]”Œkernel driver pc87427”ah$]”h&]”uh1h¡hhhžhhŸh¶h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h¶uh1hŒcurrent_source”NŒ current_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¦NŒ generator”NŒ datestamp”NŒ source_link”NŒ source_url”NŒ toc_backlinks”Œentry”Œfootnote_backlinks”KŒ sectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒ strip_classes”NŒ report_level”KŒ halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ traceback”ˆŒinput_encoding”Œ utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jGŒerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œ language_code”Œen”Œrecord_dependencies”NŒconfig”NŒ id_prefix”hŒauto_id_prefix”Œid”Œ dump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”h¶Œ _destination”NŒ _config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒ raw_enabled”KŒline_length_limit”M'Œpep_references”NŒ pep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒ rfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œ smart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œ docinfo_xform”KŒsectsubtitle_xform”‰Œ image_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(j!jj–j“jËjÈjòjïjjuŒ nametypes”}”(j!‰j–‰jˉjò‰j‰uh}”(jh£j“jVjÈj™jïjÎjjõuŒ footnote_refs”}”Œ citation_refs”}”Œ autofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ footnotes”]”Œ citations”]”Œautofootnote_start”KŒsymbol_footnote_start”KŒ id_counter”Œ collections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œ transformer”NŒ include_log”]”Œ decoration”Nhžhub.