Compaq Evo N180 Maintenance And Service Manual page 134

Specifications
I/O Address (hex)
000 to 00F
010 to 01F
020 to 021
022 to 024
025 to 03F
02E to 02F
040 to 05F
044 to 05F
060
061
062 to 063
064
065 to 06F
070 to 071
072 to 07F
080 to 08F
090 to 091
092
093 to 09F
0A0 to 0A1
6–14
Table 6-13
System I/O Addresses
System Function (shipping configuration)
DMA controller no. 1
Unused
Interrupt controller no. 1
Opti chipset configuration registers
Unused
87334 "Super IO" configuration for processor
Counter/timer registers
Unused
Keyboard controller
Port B
Unused
Keyboard controller
Unused
NMI enable/real-time clock
Unused
DMA page registers
Unused
Port A
Unused
Interrupt controller no. 2
Maintenance and Service Guide