NAME
itesio —
ITE 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
envsys(4),
envstat(8),
wdogctl(8)
HISTORY
The
itesio driver first appeared in
OpenBSD
3.4 and was then 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.