viaenv
—
VIA VT82C686A/VT8231 Hardware Monitor and Power Management
Timer
viaenv* at pci? dev ? function ?
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.
The viaenv
device appeared in NetBSD
1.5.
Interrupt support is unimplemented, as is support for setting values.