FreeBSD manual
download PDF document: intpm.4.pdf
INTPM(4) FreeBSD Kernel Interfaces Manual 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:
o Intel 82371AB/82443MX
o ATI IXP400
o AMD SB600/7x0/8x0/9x0 southbridges
o AMD Axx/Hudson/Bolton FCHs
o AMD FCH integrated into Family 15h Models 60h-6Fh, 70h-7Fh Processors
o 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.
FreeBSD 14.2-RELEASE September 22, 2016 FreeBSD 14.2-RELEASE