HP omnibook xe3 Service Manual
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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