Specifications and Regulatory Information
Software System Resources
8-6
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.
System Resources
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.
System Interrupts
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.
Summary of Contents for OMNIBOOK 4150
Page 1: ...HP OmniBook 4100 Reference Guide ...
Page 9: ...1 Introducing the OmniBook ...
Page 26: ......
Page 27: ...2 Operating the OmniBook ...
Page 49: ...3 Managing Battery Power ...
Page 60: ......
Page 61: ...4 Making Connections ...
Page 80: ......
Page 81: ...5 Expanding the OmniBook ...
Page 90: ......
Page 91: ...6 Using the Recovery CD ...
Page 111: ...7 Troubleshooting ...
Page 128: ......
Page 129: ...8 Specifications and Regulatory Information ...
Page 142: ......