System Resources Below are default values for system resources. To see other, non-default possibilities, use the BIOS Setup utility (see page 3-22), 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. Table 1-5. System Interrupts Table 1-6.
System Memory 1-8 Product Information HP OmniBook XE2 0 System timer 1 Keyboard 2 Cascade from secondary interrupt controller 3 Free (or COM2, IrDA port, if enabled) 4 COM1 (serial port) 5 Audio 6 Floppy disk drive 7 LPT1 (ECP parallel port) 8 Real-time clock 9 Free in APM mode (SCI in ACPI mode) 10 PCI IRQ (shared by all PCI devices) 11 Free (or MIDI, if enabled). 12 Touch pad, PS/2 mouse 13 Numeric coprocessor 14 Internal hard disk drive (primary IDE controller) 15 Internal CD-ROM drive (secondary IDE controller) 00000 - 9FFFF System memory A0000 – BFFFF Video C0000 - CFFFF Video BIOS D0000 - DBFFF Free (valid uses:
upper memory blocks (UMBs) or PC Card memory windows) DC000 - FFFFF System BIOS