7-4 Physical and Operating Specifications
I/O Address (Hex)
000 - 00F
010 - 01F
020 - 03F
040 - 043
044 - 04F
050 - 052
053 - 05F
060
061
062 - 063
064
065 - 06F
070 - 071
072 - 079
07A - 07F
080 - 08F
090 - 09F
0A0 - 0BF
0C0 - 0DF
0E0 - 0EF
0F0 - 0FF
100 - 15B
15C - 15D
15E - 16F
170 - 177
178 - 1EF
1F0 - 1F7
1F8 - 200
Table
System I/O
System Function (Shipping Configuration)
DMA Controller # 1
Motherboard
Interrupt controller # 1
Counter/timer registers
Unused
Motherboard
Unused
Keyboard controller
Port B
Unused
Keyboard controller
Unused
NMI
Motherboard
Unused
DMA Page registers
Motherboard
Interrupt controller # 2
DMA Controller # 2
Unused
Unused
Super I/O index/data register
Unused
Fixed disk controller
Unused
Reserved - fixed disk controller
Unused
Continued