System Resources - HP OmniBook XE3 Service Manual

System Resources

The following tables list the default values for the notebook's system resources. Use the BIOS Setup
utility (see page 3-29) to view all available port and audio device configurations in the System
Devices menu.
The tables in this section show typical resource usage as set up by the notebook's BIOS. Plug-and-
play operating systems, drivers, and BIOS Setup settings may change some of the entries.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
00000–9FFFF
A0000–BFFFF
C0000–CFFFF
D0000–DBFFF
DC000–FFFF
HP OmniBook XE3
Table 1-1. System Interrupts
System timer
Keyboard
Cascade from secondary interrupt controller
Free
COM1 (serial port)
Audio
Floppy disk drive
LPT1 (ECP parallel port)
Real-time clock
SCI
PCI IRQ (shared by all PCI devices)
Free (or MIDI if enabled)
Touch pad, PS/2 mouse
Numeric coprocessor
Internal hard disk drive (primary IDE controller)
Internal CD-ROM drive (secondary IDE controller)
Table 1-2. System Memory
System memory
Video
Video BIOS
Free: can be used for upper memory blocks
(UMBs) or PC card memory windows
System BIOS
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