intpm(4)
Intel PIIX4 Power Management controller driver
SYNOPSIS
device smbus
device smb
device intpm
DESCRIPTION
This driver provides access to
Intel PIIX4 PCI Controller function 3
Power management controller.
Currently, only smbus controller
function is implemented.
But it also have bus idle monitoring function.
It
will display mapped I/O address for bus monitoring function when attaching.
HISTORY
The
driver first appeared in
Fx 3.4 .
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.
