INTPM(4)

NAME
intpm - Intel PIIX4 Power Management controller driver

SYNOPSIS
device pci
device smbus
device smb
device intpm

DESCRIPTION
The intpm driver provides access to Intel PIIX4 compatible Power Management controllers. Currently, only smbus(4) controller function is implemented.

HARDWARE
The intpm driver supports the following chipsets:

•   Intel 82371AB/82443MX
•   ATI IXP400
•   AMD SB600/7x0/8x0/9x0 southbridges
•   AMD Axx/Hudson/Bolton FCHs
•   AMD FCH integrated into Family 15h Models 60h-6Fh, 70h-7Fh Processors
•   AMD FCH integrated into Family 16h Models 00h-0Fh, 30h-3Fh Processors

SEE ALSO
amdpm(4), amdsmb(4), ichsmb(4), smb(4), smbus(4)

HISTORY
The intpm driver first appeared in FreeBSD 3.4.

AUTHORS
This manual page was written by Takanori Watanabe <takawata@shidahara1.planet.sci.kobe-u.ac.jp>.

BUGS
This device requires IRQ 9 exclusively. To use this, you should enable ACPI function in BIOS configuration, or PnP mechanism assigns conflicted IRQ for PnP ISA card. And do not use IRQ 9 for Non-PnP ISA cards.