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

0Free

1Free

2Floppy disk drive

3LPT1 (ECP parallel port)

4Cascade from secondary DMA controller

5Free

6Free

7Free

1-16 Product Information

HP OmniBook XE3