VIAENV(4) BSD 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.
SEE ALSO envsys(4), envstat(8)HISTORY
The viaenv device appeared in NetBSD 1.5.
BUGS
Interrupt support is unimplemented, as is support for setting values.
BSD January 20, 2007 BSD
Check Out this Related Man Page
LM(4) BSD Kernel Interfaces Manual LM(4)NAME
lm -- National Semiconductor LM78, LM79 and compatible hardware monitors
SYNOPSIS
lm0 at isa? port 0x280 flags 0x00
lm1 at isa? port 0x290 flags 0x00
lm2 at isa? port 0x310 flags 0x00
lm3 at isa? port 0xa00 flags 0x00
lm0 at pnpbios0 index ? flags 0x00
lm0 at iic? addr 0x2e flags 0x00
lm* at wbsio?
DESCRIPTION
The lm driver provides support for the National Semiconductor LM series hardware monitors and register compatible chips to be used with the
envsys(4) API.
Most supported devices possess 11 sensors:
Sensor Units Typical Use
IN0 uV DC Core voltage
IN1 uV DC unknown
IN2 uV DC +3.3V
IN3 uV DC +5V
IN4 uV DC +12V
IN5 uV DC -12V
IN6 uV DC -5V
Temp uK Motherboard Temperature
Fan0 RPM Fan
Fan1 RPM Chassis Fan
Fan2 RPM Fan
for some devices (most Winbond devices) sensor names and numbers will be different.
Due to hardware limitations, fresh sensor data is only available every 2 seconds.
HARDWARE
Chips supported by the lm driver include:
National Semiconductor LM78, LM78-J, LM79 and LM81.
Winbond W83627HF*, W83627THF*, W83627EHF*, W83627DHG*, W83637HF*, W83697HF*, W83781D, W83782D*, W83783S*, W83791D*, W83791SD and
W83792D.
ASUS AS99127F.
For most of the Winbond chips (identified with a * above), the flags configuration option can be specified to select the type of temperature
sensor:
flags Sensor Type
0 Thermistor diode (Power-On default)
1 Pentium-II diode
2 2N3904 Bipolar
4 Thermistor diode
SEE ALSO envsys(4), wbsio(4), envstat(8)HISTORY
The lm device appeared in NetBSD 1.5.
BUGS
Interrupt support is unimplemented.
There are currently no known pnpbios IDs assigned to LM chips.
BSD February 16, 2010 BSD
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