Specifications
I/O Address
(hex)
0A2—0BF
0C0—0DF
0E0—0EF
0F0—0F1
0F2—0FF
100—16F
170—177
178—1EF
1F0—1F7
1F8—200
201
202—21F
220—22F
230—26D
26E—26
278—27F
280—2AB
2A0—2A7
2A8—2E7
2E8—2EF
6–28
System I/O Addresses (Continued)
System Function
(shipping configuration)
Unused
DMA controller no. 2
Unused
Coprocessor busy clear/reset
Unused
Unused
Secondary fixed disk controller
Unused
Primary fixed disk controller
Unused
Joystick (decoded in ESS1688)
Unused
Entertainment audio
Unused
Unused
Unused
Unused
Unused
Unused
Reserved serial port
Table 6-24
Maintenance and Service Guide