Specifications

 

Table 6-13

 

System I/O Addresses

 

 

I/O Address

System Function

(hex)

(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 I/O” configuration for CPU

 

 

040 - 05F

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 (RTC)

 

 

072 - 07F

Unused

 

 

080 - 08F

DMA page registers

 

 

090 - 091

Unused

 

 

092

Port A

 

 

093 - 09F

Unused

 

 

0A0 - 0A1

Interrupt controller no. 2

 

 

Maintenance and Service Guide

6–13

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HP nc6000, 335167-003 manual System I/O Addresses, Address System Function

nc6000, 335167-003 specifications

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