viasio man page on OpenBSD

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VIASIO(4)		  OpenBSD Programmer's Manual		     VIASIO(4)

     viasio - VIA VT1211 LPC Super I/O

     viasio* at isa? port 0x2e flags 0x0000
     viasio* at isa? port 0x4e flags 0x0000

     The viasio driver provides support for the VIA VT1211 LPC Super I/O IC.
     The hardware monitoring and watchdog timer functions are currently

     The hardware monitor provides hardware monitoring capabilities to be used
     with the sysctl(8) interface.  The following monitoring sensors are

	   Sensor    Units	   Typical use
	   TEMP1     uK		   Pentium II type thermal diode
	   UCH1	     uK or uV DC   CPU temperature
	   UCH2	     uK or uV DC   System temperature
	   UCH3	     uK or uV DC   CPU core voltage
	   UCH4	     uK or uV DC   +5V
	   UCH5	     uK or uV DC   +12V
	   +3.3V     uV		   Internal +3.3V
	   FAN1	     RPM	   Fan tachometer
	   FAN2	     RPM	   Fan tachometer

     If the hardware monitor is not enabled by firmware, the driver can try to
     enable it if value 0x0001 is present in the flags.	 Note that enabling
     the hardware monitor can lead to unexpected results.

     The watchdog timer provides a standard watchdog(4) interface.  If the
     watchdog timer is not enabled by firmware, the driver can try to enable
     it if value 0x0002 is present in the flags.

     intro(4), isa(4), watchdog(4), sensorsd(8), sysctl(8)

     The viasio driver first appeared in OpenBSD 3.8.

     The viasio driver was written by Alexander Yurchenko

OpenBSD 4.9			 May 31, 2007			   OpenBSD 4.9

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