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VIAENV(4) |
Kernel Interfaces Manual |
VIAENV(4) |
NAME
viaenv — VIA VT82C686A/VT8231 Hardware Monitor and Power Management Timer
SYNOPSIS
viaenv* at pci? dev ? function ?
DESCRIPTION
The
viaenv is an
envsys(4) compatible driver for the Hardware Monitor and the Power Management timer in the VIA VT82C686A and VT8231 South Bridges.
The device has 10 sensors:
|
Sensor |
Units |
Typical Use |
TSENS1 |
uK |
CPU temperature |
TSENS2 |
uK |
System temperature |
TSENS3 |
uK |
? |
FAN1 |
RPM |
CPU fan |
FAN2 |
RPM |
System fan |
VSENS1 |
uV DC |
CPU core voltage (2.0V) |
VSENS2 |
uV DC |
North Bridge core voltage (2.5V) |
Vcore |
uV DC |
Internal core voltage (3.3V) |
VSENS3 |
uV DC |
+5V |
VSENS4 |
uV DC |
+12V |
Sensor data is updated every 1.5 seconds.
HISTORY
The viaenv device appeared in NetBSD 1.5.
BUGS
Interrupt support is unimplemented, as is support for setting values.
