HP OmniBook 2000 - System Resources

56
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.
System Interrupts
0 System timer
1 Keyboard
2 Redirect IRQ 9
3 COM2 and COM4 (undocked) / Free (docked)
4 COM1 and COM3 (serial port)
5 Crystal sound
6 Floppy drive
7 LPT1 (parallel port)
8 Real-time clock
9 MIDI
10 PCI-type interrupt: CardBus, and SCSI (docked)
11 Free
12 Mouse
13 Coprocessor
14 Internal hard disk (primary IDE controller)
15 Internal CD-ROM (secondary IDE controller)
System Memory
C0000 - CAFFF Chips & Technologies video BIOS
CB000 - CBFFF Enhanced parallel port BIOS
CC000 - E7FFF Free (see below)
E8000 - FFFFF Plug-and play, PCI, and system BIOS
Valid uses for memory addresses CC000-E7FFF:
• Upper memory blocks (UMBs) in the range CC000-E7FFF.
• PC card and ISA/PCI card memory windows in the range CC000-DFFFF.
• ISA/PCI card boot ROM in the range CE000-DFFFF.