Compaq Evo N150 Maintenance And Service Manual page 117

I/O Address (hex)
000 - 00F
010 - 01F
020 - 021
022 - 024
025 - 03F
02E - 02F
040 - 05F
044 - 05F
060
061
062 - 063
064
065 - 06F
070 - 071
072 - 07F
080 - 08F
090 - 091
092
093 - 09F
0A0 - 0A1
Maintenance and Service Guide
Table 6-11
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 CPU
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
Specifications
6–13