System resources – HP OmniBook 800 Notebook PC User Manual
Page 55

55
System Resources
Below are default values for system resources. To see other, non-default
possibilities, use the
System Configuration Utility,
which lists port and audio device
configurations in the Input/Output menu.
The tables in this section show typical resource usage as set up by the OmniBook
BIOS. Plug-and-play operating systems, drivers, and SCU settings may change
some of the entries.
Interrupts (IRQs)
0
System timer
1
Keyboard
2
programmable interrupt controller
3
Free (COM2 or COM4 if modem installed)
4
COM1 (external serial port)
5
ESS sound chip
6
Floppy-disk drive
7
LPT1 (external parallel port)
8
Real-time clock
9
Free
10
IrDA (infrared) and SCSI
11
Free
12
Pointing device
13
Math co-processor
14
Hard disk
15
Docking/PCI slot
A PC Card's IRQ depends on the card.
DMA Channels
0
Free
1
Sound
2
Floppy-disk drive
3
Free
4
DMA controller
5
Wave 2
6
Free
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