IT(4) BSD Programmer's Manual IT(4)
it - ITE IT8705F, IT8712F and SiS SiS950 hardware monitors
it0 at isa? port 0x290
The it driver provides support for the IT8705F, IT8712F and SiS950
hardware monitors to be used with the sysctl(8) interface.
Most supported devices possess 15 sensors:
Sensor Units Typical Use
Fan0 RPM CPU Fan
Fan1 RPM Fan
Fan2 RPM Fan
IN0 uV DC Core voltage
IN1 uV DC Core voltage
IN2 uV DC +3.3V
IN3 uV DC +5V
IN4 uV DC +12V
IN5 uV DC Unknown
IN6 uV DC -12V
IN7 uV DC -5V
IN8 uV DC VBAT
Temp uK Motherboard Temperature
Temp uK Motherboard Temperature
Temp uK CPU Temperature
For some devices, sensors' names and numbers will be different.
Due to hardware limitations, fresh sensor data is only available every
1.5 seconds.
sensorsd(8), sysctl(8)
The it driver first appeared in OpenBSD 3.4.
The it driver was written by Julien Bordet <zejames@greyhats.org>.
Interrupt support is unimplemented.
MirOS BSD #10-current May 16, 2003 1
Generated on 2012-02-20 02:47:02 by $MirOS: src/scripts/roff2htm,v 1.70 2011/12/03 18:21:12 tg Exp $
These manual pages and other documentation are copyrighted by their respective writers;
their source is available at our CVSweb,
AnonCVS, and other mirrors. The rest is Copyright © 2002‒2011 The MirOS Project, Germany.
This product includes material
provided by Thorsten Glaser.
This manual page’s HTML representation is supposed to be valid XHTML/1.1; if not, please send a bug report – diffs preferred.