Compaq 279362-002 manual System I/O Addresses

Models: 279362-002

1 215
Download 215 pages 14.69 Kb
Page 178
Image 178

Specifications

Table 6-12

System I/O Addresses (Continued)

I/O Address (hex) System Function (shipping configuration)

0A2–0BF

Unused

 

 

0C0–0DF

DMA controller no. 2

 

 

0E0–0EF

Unused

 

 

0F0–0F1

Coprocessor busy clear/reset

 

 

0F2–0FF

Unused

 

 

100–16F

Unused

 

 

170–177

Secondary fixed disk controller

 

 

178–1EF

Unused

 

 

1F0–1F7

Primary fixed disk controller

 

 

1F8–200

Unused

 

 

201

Joystick (decoded in ESS1688)

 

 

202–21F

Unused

 

 

220–22F

Entertainment audio

 

 

230–26D

Unused

 

 

26E–26

Unused

 

 

278–27F

Unused

 

 

280–2AB

Unused

 

 

2A0–2A7

Unused

 

 

2A8–2E7

Unused

 

 

2E8–2EF

Reserved serial port

 

 

6–14

Maintenance and Service Guide

Page 178
Image 178
Compaq 279362-002 manual System I/O Addresses