PIIXPM(4) Kernel Interfaces Manual PIIXPM(4)
NAME
piixpmIntel PIIX and compatible Power Management controller
SYNOPSIS
piixpm* at pci? dev ? function ?
iic* at piixpm?
DESCRIPTION
The piixpm driver provides support for the Intel PIIX and compatible Power Management controller. Only the SMBus host interface is supported and can be used with the iic(4) framework.
 
Supported chipsets:
 
ATI SB200, SB300, SB400, SB600, SB700, SB800
Intel 82371AB (PIIX4), 82440MX
Serverworks OSB4, OSB5, OSB6, HT1000SB
SEE ALSO
HISTORY
The piixpm driver first appeared in OpenBSD 3.9 and then in NetBSD 4.0.
AUTHORS
The current piixpm driver was written by Alexander Yurchenko <grange@openbsd.org>. It was ported to NetBSD by Jared D. McNeill <jmcneill@netbsd.org>.
BUGS
The driver doesn't support I2C commands with a data buffer size of more than 2 bytes.