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.