HP Book 2000/5700 manual Software System Resources, Midi

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 System Configuration 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 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 disk drive
7	LPT1 (parallel port)
8	Real-time clock
9	MIDI
10	PCI-type interrupt: CardBus (undocked) / 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.

6-4