viapm(4)
NAME
viapm - VIA chipsets Power Management controller driver
SYNOPSIS
device iicbb device iicbus device iicsmb device smbus device smb device viapm
DESCRIPTION
- This driver provides access to the VIA chipset Power Manage
- ment Unit family. They are VT82C586B, VT82C596A, VT82C596B, VT82C686A
- and VT8233.
- The embedded controller of the VIA chipset may give you ac
- cess to the
monitoring facilities of your mainboard. - The 586B support is made by software whereas other con
- trollers support
the SMBus protocol by hardware. See smb(4) for writing user - code to
fetch voltages, temperature and so on from the monitoring - chip of your
mainboard.
SEE ALSO
iicbb(4), iicbus(4), iicsmb(4), smb(4), smbus(4)
HISTORY
The viapm manual page first appeared in FreeBSD 4.5.
AUTHORS
- This manual page was written by Nicolas Souchu
- <nsouch@FreeBSD.org>.
BUGS
- Only polling mode is supported.
- BSD April 20, 2002