HP nx7000, X1000 manual System I/O Addresses, Address System Function

Specifications

			Table 6-14
			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

6–14 Maintenance and Service Guide