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VIAENV(4)               NetBSD Kernel Interfaces Manual              VIAENV(4)


NAME

     viaenv -- VIA VT82C686A hardware monitor


SYNOPSIS

     viapm* at pci? dev ? function ?
     viaenv* at viapm?


DESCRIPTION

     The viaenv is an envsys(4) compatible driver for the hardware monitor in
     the VIA VT82C686A South Bridge.

     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.

NetBSD 3.0.1                      May 8, 2000                     NetBSD 3.0.1