ITESIO(4) Kernel Interfaces Manual ITESIO(4)
NAME
itesioITE IT87xxF Super I/O driver
SYNOPSIS
itesio0 at isa? port 0x2e
itesio1 at isa? port 0x4e
DESCRIPTION
The itesio driver provides support for the Environment Controller and the Watchdog Timer on the IT87xxF Super I/Os, and may be used to monitor hardware sensors or setting up a watchdog timeout value for the system.
 
The itesio driver has 15 sensors:
Sensor
Units
Typical Use
Temp0
uK
CPU Temp
Temp1
uK
System Temp
Temp2
uK
Aux Temp
VIN0
uV DC
Vcore A
VIN1
uV DC
Vcore B
VIN2
uV DC
+3.3V
VIN3
uV DC
+5V
VIN4
uV DC
+12V
VIN5
uV DC
-12V
VIN6
uV DC
-5V
VIN7
uV DC
STANDBY
VBAT
uV DC
VBAT
Fan0
RPM
CPU Fan
Fan1
RPM
System Fan
Fan2
RPM
Aux Fan
 
The itesio Watchdog Timer is configurable via the wdogctl(8) utility and has a resolution between 1 and 65535 seconds. The Watchdog Timer is not supported on the IT8705 Super I/O.
SEE ALSO
HISTORY
The itesio driver first appeared in OpenBSD 3.4 and then it was ported to NetBSD 4.0.
AUTHORS
The itesio driver was written by Julien Bordet <zejames@greyhats.org> and Juan Romero Pardines <xtraeme@netbsd.org>.
BUGS
Interrupt support is unimplemented.