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INTPM(4)              DragonFly 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:

     *   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.

DragonFly 6.5-DEVELOPMENT         May 3, 2023        DragonFly 6.5-DEVELOPMENT