Address

(Hex)

 

Device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0330–0333

 

MIDI

Port

4

 

 

 

0350–035F

 

ThinkPad

Modem

 

 

 

0376,

0377

 

Secondary

IDE

Registers

0378–037A

 

Parallel

Port

2

 

 

 

037B–037F

 

Reserved

 

 

 

 

 

0388–038B

 

Audio Subsystem - FM Synthesizer

0398–0399

 

Reserved

 

 

 

 

 

03B4,

03B5,

03BA

Video

Subsystem

 

 

03BC–03BE

 

Parallel

Port

1

 

 

 

03C0–03C5

 

Video

Subsystem

 

 

03C6–03C9

 

Video

DAC

 

 

 

 

03CA,

03CC,

03CE, 03CF,

Video

Subsystem

 

 

03D4,

03D5,

03DA,

 

 

 

 

 

 

 

 

03D8–03DA

 

 

 

 

 

 

 

 

 

03E0–03E1

 

PCMCIA

Interface

(DCR

2959)

03E8–03EF

 

Serial

Port

3

 

 

 

03E8–03EF

 

IR

Port

3

 

 

 

 

03F0–03F5, 03F7

Diskette-Drive

Controller

 

03F6,

03F7

 

Primary

IDE

Registers

 

03F8–03FF

 

Serial

Port

1

 

 

 

03F8–03FF

 

IR

Port

1

 

 

 

 

0530–0537

 

Audio

-

WSS

1

 

 

 

0538–053F

 

Audio

Control

Port

1

 

0604–060B

 

Audio

-

WSS

2

 

 

 

0770–077F

 

 

ThinkPad

Modem

 

 

 

0CF8–0CFB

 

 

PCI

Configuration

Address Register

0CFC–0CFF

 

 

PCI

Configuration

Data

Register

0DB0–0DBF

 

ThinkPad

Modem

 

 

 

0D38–0D3F

 

Audio

Control

Port

2

 

0E80–0E87

 

 

Audio

-

WSS

3

 

 

 

0E88–0E8F

 

 

Audio

Control

Port

3

 

0F40–0F47

 

Audio

-

WSS

4

 

 

 

0FF0–0FF7

 

 

Audio

Control

Port

4

 

15E8–15EF

 

Power

Management

Register

2120–21FF

 

Reserved

 

 

 

 

 

23C0–23C7

 

Reserved

 

 

 

 

 

46E8

 

 

Video

Subsystem

Enable

 

EF00–EF37

 

Power

Management

Register

EFA0–EFAD

 

 

SMBus

IO

Space

Register

F104

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

Figure

1-3

(Part 2

of 2).

System Board I/O Address Map

1-6 System Overview

Page 16
Image 16
IBM 770 manual System Overview, Address, Device