Copyright (c) 2007-2008 Oleg Safiullin <form@pdp-11.org.ru>
Copyright (c) 2003 Julien Bordet <zejames@greygats.org>
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.Dd $Mdocdate: July 16 2013 $ .Dt IT 4 .Os .Sh NAME .Nm it .Nd ITE IT87xxF and SiS SiS950 temperature, voltage, and fan sensor with \ watchdog timer .Sh SYNOPSIS .Cd "it* at isa? port 0x2e" .Cd "it* at isa? port 0x4e" .Sh DESCRIPTION The .Nm driver provides support for the ITE IT8705F, IT8712F, IT8716F, IT8718F, IT8720F, IT8726F, IT8728F, IT8772F and SiS SiS950 hardware monitors and .Xr watchdog 4 timer to be used with the .Xr sysctl 8 interface.
p Most supported devices possess 17 sensors: l -column "Sensor" "Units" "Typical" -offset indent t Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use" t Li "temp0" Ta "uK" Ta "CPU Temperature" t Li "temp1" Ta "uK" Ta "Motherboard Temperature" t Li "temp2" Ta "uK" Ta "Unused" t Li "fan0" Ta "RPM" Ta "CPU Fan" t Li "fan1" Ta "RPM" Ta "Chassis Fan" t Li "fan2" Ta "RPM" Ta "Power Fan" t Li "fan3" Ta "RPM" Ta "Unused" t Li "fan4" Ta "RPM" Ta "Unused" t Li "volt0" Ta "uV DC" Ta "Core voltage" t Li "volt1" Ta "uV DC" Ta "Core voltage" t Li "volt2" Ta "uV DC" Ta "+3.3V" t Li "volt3" Ta "uV DC" Ta "+5V" t Li "volt4" Ta "uV DC" Ta "+12V" t Li "volt5" Ta "uV DC" Ta "-12V" t Li "volt6" Ta "uV DC" Ta "-5V" t Li "volt7" Ta "uV DC" Ta "+5VSB" t Li "volt8" Ta "uV DC" Ta "VBAT" .El .Sh SEE ALSO .Xr isa 4 , .Xr watchdog 4 , .Xr sensorsd 8 , .Xr sysctl 8 , .Xr watchdogd 8 .Sh HISTORY The .Nm driver first appeared in .Ox 3.4 . .Sh AUTHORS .An -nosplit The .Nm driver was originally written for .Ox 3.4 by .An Julien Bordet Aq Mt zejames@greyhats.org , and completely rewritten for .Ox 4.3 by .An Oleg Safiullin Aq Mt form@pdp-11.org.ru . .Sh BUGS Watchdog timer functionality is not supported for ITE IT8705 or SiS SiS950 chips. For older IT8712 chips, watchdog timeout values of more than 255 seconds are rounded up to the nearest minute.