![](/images/new-backgrounds/1214948/214948175x1.webp)
Specifications and Regulatory Information
Software System Resources
Software System Resources
Below are default values for the system resources. To see other,
System Resources
The tables in this section show typical resource usage as set up by the OmniBook BIOS.
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 | |
9 | MIDI |
10 | |
11 | Free |
12 | Mouse |
13 | Coprocessor |
14 | Internal hard disk (primary IDE controller) |
15 | Internal |
System Memory
C0000 | Chips & Technologies video BIOS |
CB000 | Enhanced parallel port BIOS |
CC000 | Free (see below) |
E8000 |
Valid uses for memory addresses
∙Upper memory blocks (UMBs) in the range
∙PC card and ISA/PCI card memory windows in the range
∙ISA/PCI card boot ROM in the range