Software System Resources - HP OmniBook 4100 Reference Manual

Specifications and Regulatory Information

Software System Resources

Software System Resources
Below are default values for the system resources. To see other, non-default
possibilities, refer to the BIOS Setup 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 BIOS setup settings may change
some of the entries.
0 System timer
1 Keyboard
2 Cascade IRQ 9
3 Free (or COM2 infrared port, if enabled)
4 COM1 (serial port)
5 Crystal sound
6 Floppy drive
7 LPT1 (ECP parallel port)
8 Real-time clock
9 Free
10 USB and CardBus - assigned by Windows driver
11 Free
12 Pointing device
13 Numeric data processor
14 Internal hard disk (primary IDE controller)
15 Internal CD-ROM drive (secondary IDE controller)
System Memory
00000 - 9FFFF System memory
A0000 - BFFFF Video
C0000 - CBFFF Video BIOS
CC000 - DBFFF* Free**
DC000*- FFFFF System BIOS
* Approximate boundary.
** Valid uses for memory addresses CC000-DBFFF:
Upper memory blocks (UMBs).
PC card memory windows.
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