Operating the OmniBook
Software System Resources
2-15
System Input/Output Addresses (100-3FF)
120-127 Audio (only unmarked models)
170-177 Internal CD-ROM drive (secondary IDE
controller)
1F0-1F7 Internal hard disk (primary IDE controller)
220-22F Audio
376 Internal CD-ROM drive (secondary IDE
controller)
378-37F LPT1 (printer port)
388-38B Audio
3B0-3BB Video adapter
3C0-3DF Video adapter
3E0-3E1 PCMCIA controller
3F0-3F5 Floppy controller
3F6 Internal hard disk (primary IDE controller)
3F7 Floppy controller
3F8-3FF COM1 (serial port)
DMA Channels
0 Sound Record (unmarked models)
Free (“900 B” models*)
1 Sound playback
2 Floppy drive
3 LPT1 (ECP parallel port)
4 Cascade
5 Free
6 Free
7 Free
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