piixpm
—
Intel PIIX and compatible Power Management controller
piixpm* at pci? dev ? function ?
iic* at piixpm?
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
- AMD HUDSON
The piixpm
driver first appeared in
OpenBSD 3.9 and then in NetBSD
4.0.
The driver doesn't support I2C commands with a data buffer size of more than 2
bytes.