Compaq N800C manual System I/O Addresses

Specifications

Table 6-15

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 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
072	- 07F	Unused
080	- 08F	DMA page registers
090 - 091		Unused
092		Port A
093	- 09F	Unused
0A0 - 0A1		Interrupt controller no. 2

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