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1-16 Product Information HP OmniBook XE3
Table 1-3. System Input/Output Addresses (100-3FF)
170–177 Internal CD-ROM drive (secondary IDE controller)
1F0–1F7 Internal hard disk drive (primary IDE controller)
220–22F DOS games (FM decoding)
376 Internal CD-ROM drive (secondary IDE controller)
378–37F LPT1 (printer port)
388–38B DOS games (FM decoding)
3B0–3BB VGA adapter
3C0–3DF VGA adapter
3E0–3E1 PCMCIA controller
3F0–3F5 Floppy disk drive controller
3F6 Internal hard disk drive (primary IDE controller)
3F7 Floppy disk drive controller
3F8–3FF COM1 (serial port)
Table 1-4. DMA Channels
0 Free
1 Free
2 Floppy disk drive
3 LPT1 (ECP parallel port)
4 Cascade from secondary DMA controller
5 Free
6 Free
7 Free