"Compaq.com - Compaq Presario 1200 Series Maintenance and Service Guide - Models: 1230 and 1232

 

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DMA Controller

 

 

 

 

 

 

 

00ECh-00EFh

 

Motherboard resources

 

 

 

 

 

 

 

00F0h-00FFh

 

Numeric data processor

 

 

 

 

 

 

 

0170h-0177h

 

Secondary IDE controller

 

 

 

 

 

 

 

01F0h-01F7h

 

Primary IDE controller

 

 

 

 

 

 

 

0376h-0376h

 

Standard IDE/ESDI Hard Disk Controller

 

 

 

 

 

 

 

0378h-037Fh

 

Printer Port (LPT1)

 

 

 

 

 

 

 

0388h-038Bh

 

AUDIO(TM) 16-bit Sound

 

 

 

 

 

 

 

0398h-0399h

 

Motherboard resources

 

 

 

 

 

 

 

03B0h-03BBh

 

Graphics Controller

 

 

 

 

 

 

 

03C0h-03DFh

 

Graphics Controller

 

 

 

 

 

 

 

03F0h-03F5h

 

Standard Floppy Disk Controller

 

 

 

 

 

 

 

03F6h-03F6h

 

Standard IDE/ESDI Hard Disk Controller

 

 

 

 

 

 

 

03F7h-03F7h

 

Standard Floppy Disk Controller

 

 

 

 

 

 

 

03F8h-03FFh

 

Communications Port (COM1)

 

 

 

 

 

 

 

0480h-048Fh

 

Motherboard resources

 

 

 

 

 

 

 

 

 

 

 

04D0h-04D1h

 

Motherboard resources

 

 

 

 

 

 

 

0CF8h-0CFFh

 

PCI bus

 

 

 

 

 

 

 

3000h-307Fh

 

Cyrix Cx5520 PCI to ISA bridge

 

 

 

 

 

 

 

4000h-401Fh

 

Cyrix Cx5520 PCI to ISA bridge

 

 

 

 

 

 

 

5000h-500Fh

 

Cyrix Cx5520 PCI to ISA bridge

 

 

 

 

 

 

System Memory Catalog

 

System Memory Catalog

 

 

 

Memory Address

 

System Function

 

 

 

00000000h-0009FFFFh

 

System board extension for PnP BIOS

 

 

 

000A0000h-000AFFFFh

 

Graphics Controller

 

 

 

000B0000h-000BFFFFh

 

Graphics Controller

 

 

 

000C0000h-000C7FFFh

 

Graphics Controller

 

 

 

000C8000h-000C8FFFh

 

PCI-1221 CardBus Controller

 

 

 

000C9000h-000C9FFFh

 

PCI-1221 CardBus Controller

 

 

 

000CC000h-000CFFFFh

 

Motherboard resources

 

 

 

000E0000h-000FFFFFh

 

System board extension for PnP BIOS

 

 

 

00100000h-01FFFFFFh

 

System board extension for PnP BIOS

 

 

 

40008000h-4000FFFFh

 

Motherboard resources

 

 

 

40010000h-40010FFFh

 

Cyrix Cx5520 PCI to ISA bridge

 

 

 

40018000h-41017FFFh

 

Motherboard resources

 

 

 

FD000000h-FDFFFFFFh

 

Graphics Controller

 

 

 

FEA00000h-FEBFFFFFh

 

Graphics Controller

 

 

 

FEC00000h-FECFFFFFh

 

Graphics Controller

 

 

 

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