Compaq AP400 Maintenance And Service Manual page 137

System I/O
Continued
I/O Address (Hex)
080 - 08F
090 - 091
092
093 - 09F
0A0 - 0BF
0C0 - 0DF
0E0 - 0EB
0EC - 0ED
0EE - 0EF
0F0 - 0FF
100 - 15B
15C - 15D
15F - 16F
170 - 177
178 - 1EF
1F0 - 1F7
1F8 - 1FF
200
201
202 - 21F
220 - 22F
230 - 27B
274 - 277
278 - 27F
280 - 2E7
2E8 - 2EF
2F0 - 2F7
2F8 - 2FF
300 - 32F
System Function (Shipping Configuration)
DMA Page Registers
Motherboard
Port A
Motherboard
Interrupt Controller # 2
DMA Controller # 2
Unused
Unused
Unused
Co-Processor Busy Clear/Reset
Unused
Super I/O Index Register
Unused
Reserved; IDE Controller can be set here in Setup.
Unused
Fixed Disk Controller
Unused
Unused
PremierSound Audio
Unused
Business Audio (Default; Alter =230h, 240h, 250h)
Unused
ISA PNP
Reserved Parallel Port
Unused
Reserved Serial Port
Unused
Modem (COM 2)
Unused
Compaq Professional Workstation AP400 Maintenance and Service Guide
7-5
Continued