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37 .Nd VIA VT82C686A/VT8231 Hardware Monitor and Power Management Timer
39 .Cd "viaenv* at pci? dev ? function ?"
45 compatible driver for the Hardware Monitor and the Power Management
48 VT82C686A and VT8231 South Bridges.
50 The device has 10 sensors:
51 .Bl -column "Sensor" "Units" "Typical" -offset indent
52 .It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use"
53 .It Li "TSENS1" Ta "uK" Ta "CPU temperature"
54 .It Li "TSENS2" Ta "uK" Ta "System temperature"
55 .It Li "TSENS3" Ta "uK" Ta "?"
56 .It Li "FAN1" Ta "RPM" Ta "CPU fan"
57 .It Li "FAN2" Ta "RPM" Ta "System fan"
58 .It Li "VSENS1" Ta "uV DC" Ta "CPU core voltage (2.0V)"
59 .It Li "VSENS2" Ta "uV DC" Ta "North Bridge core voltage (2.5V)"
60 .It Li "Vcore" Ta "uV DC" Ta "Internal core voltage (3.3V)"
61 .It Li "VSENS3" Ta "uV DC" Ta "+5V"
62 .It Li "VSENS4" Ta "uV DC" Ta "+12V"
65 Sensor data is updated every 1.5 seconds.
75 Interrupt support is unimplemented, as is support for setting values.