System Resources; Table 1-7. System Interrupts; Table 1-8. System Memory - HP OmniBook 3000 Service Manual

System Resources

Below are default values for system resources. To see other, non-default possibilities, use the BIOS
Setup utility (see page 3-20), which lists port and audio device configurations in the System Devices
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 (or MIDI, if enabled)
10 Universal Serial Bus (USB) - assigned by Windows 95 driver
11 CardBus controller - assigned by Windows 95 driver
12 TouchPad
13 Numeric data processor
14 Internal hard disk (primary IDE controller)
15 Internal CD-ROM drive (secondary IDE controller)
00000 - 9FFFF System memory
A0000 - BFFFF Video
C0000 - CBFFF Video BIOS
CC000 - DFFFF Free (see below)
E0000 - FFFFF System BIOS
Valid uses for memory addresses CC000-DFFFF:
• Upper memory blocks (UMBs).
• PC card memory windows.
1-6 Product Information

Table 1-7. System Interrupts

Table 1-8. System Memory

HP OmniBook 3000