Table 6-17 system i/o addresses – Compaq V300 User Manual

Page 144

Advertising
background image

6-12

Specifications

COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED

Writer: The Integrity Group Saved by: The Integrity Group Saved date: 10/26/00 11:53 AM

Part Number: 128679-006 File name: Ch06

Table 6-17

System I/O Addresses

I/O Address (Hex)

System Function (Shipping Configuration)

000 - 00F

DMA controller no. 1

010 - 01F

Unused

020 - 021

Interrupt controller no. 1

022 - 024

Opti chipset configuration registers

025 - 03F

Unused

02E - 02F

87334 "Super IO" configuration for CPU

040 - 043

Counter/timer registers

044 - 05F

Unused

060

Keyboard controller

061

Port B

062 - 063

Unused

064

Keyboard controller

065 - 06F

Unused

070 - 071

NMI enable/real time clock

072 - 07F

Unused

080 - 08F

DMA page registers

090 - 091

Unused

092

Port A

093 - 09F

Unused

0A0 - 0A1

Interrupt controller no. 2

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

Continued

Advertising