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