Software Functional Overview 3-15
IRQ Map
IRQ #
Description
IRQ 0
System Timer
IRQ 1
Keyboard
IRQ 2
[Cascade]
IRQ 3
FIR
IRQ 4
Serial Port
IRQ 5
Audio / VGA / USB
IRQ 6
Floppy Disk Drive
IRQ 7
Parallel Port
IRQ 8
RTC Alarm
IRQ 9
Reserve for ACPI OS
IRQ 10
Modem / CardBus
IRQ 11
Reserved for PCMCIA Card
IRQ 12
PS/2 Mouse
IRQ 13
FPU
IRQ 14
Hard Disk Drive
IRQ 15
CD-ROM
Power Management
This section provides the Power Management functions of the notebook.
General Requirements
The BIOS meets the following general Power Management requirements:
n
Compliant with APM 1.2 Specification.
n
Full APM Support for Windows 95 Fuel Gauge and Power Management
functionality.
n
Support for Suspend-to-RAM and Suspend-to-Disk mode.
n
Support for Resume on Modem Ring while in STR Mode. This is
controlled by a CMOS Setup option.
n
Power Management is OS independent.
n
Power Management supports Resume-on-Time.