Compaq N150 manual System I/O Addresses

Specifications

Table 6-11

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 - 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

Maintenance and Service Guide 6–13