HP 385548-081 User Manual

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 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/RTC

072 - 07F

Unused

080 - 08F

DMA page registers

090 - 091

Unused

092

Port A

093 - 09F

Unused

0A0 - 0A1

Interrupt controller no. 2