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HP OmniBook 800 Notebook PC User Manual

Page 54

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54

7

Free

System Memory

C000-C7FF

VGA BIOS

C800-CFFF

Free

D000-D1FF

PC Card memory for Windows 3.1

D000-E7FF

Free (except for the above)

E800-EBFF

Plug-n-Play BIOS

EC00-EF7F

PCI BIOS

EF80-EFFF

Enhanced Parallel Port BIOS

F000-FFFF

System BIOS

System Input/Output Addresses

1F0-1F7

Hard-disk drive

220-22F

ESS sound

2F8-2FF

COM 2 if modem installed

330-331

ESS sound

378-37F

LPT1 (external parallel port)

388-38B

ESS sound

3B0-3BB

Video adapter

3C0-3DF

Video adapter

3E0-3E1

PC Card bridge on PCI

3F0-3F5 (primary)

Floppy drive

3F6

Hard-disk drive

3F7

Floppy drive

3F8-3FF

COM1 (external serial port)

778-77A

LPT1 in ECP mode

3000-301F

IrDA (infrared)

3100-31FF

internal SCSI (SCSI cable attached)

4000-40FF

SCSI (docked without network card)

4100-41FF

SCSI (docked with network card)

I/O addresses 300, 310, 320, 340, and A20 are free for network cards.