| PIIXPM(4) | Kernel Interfaces Manual | PIIXPM(4) | 
NAME
 piixpm — Intel 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
 
HISTORY
 The piixpm driver first appeared in OpenBSD 3.9 and then in NetBSD 4.0.
BUGS
 The driver doesn't support I2C commands with a data buffer size of more than 2 bytes.