MirOS Manual: viaenv(4)

VIAENV(4)                  BSD Programmer's Manual                   VIAENV(4)


     viaenv - VIA VT82C686A hardware monitor


     viaenv* at pci? dev ? function ?


     The viaenv driver provides support for the hardware monitor in the VIA
     VT82C686A and VT8231 South Bridge to be used with the sysctl(8) inter-

     The device has 10 sensors:

           Sensor    Units    Typical Use
           TSENS1    uK       CPU temperature
           TSENS2    uK       System temperature
           TSENS3    uK       Unknown
           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.


     sensorsd(8), sysctl(8)


     The viaenv driver first appeared in NetBSD 1.5, OpenBSD support was added
     in OpenBSD 3.4.


     The viaenv driver was written by Johan Danielsson and ported to
     OpenBSD 3.4 by
     Alexander Yurchenko <grange@openbsd.org>.


     Interrupt support is unimplemented, as is support for setting values.

MirOS BSD #10-current            May 8, 2000                                 1

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