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