Specifications
Table
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 | |
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| |
0F2 - 0FF | Unused | |
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100 | - 16F | Unused |
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170 | - 177 | Secondary fixed disk controller |
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178 | - 1EF | Unused |
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| |
1F0 - 1F7 | Primary fixed disk controller | |
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1F8 - 200 | Unused | |
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201 |
| Joystick (decoded in ESS1688) |
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202 | - 21F | Unused |
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220 | - 22F | Entertainment audio |
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230 | - 26D | Unused |
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26E - 26 | Unused | |
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278 | - 27F | Unused |
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280 | - 2AB | Unused |
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| |
2A0 - 2A7 | Unused | |
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| |
2A8 - 2E7 | Unused | |
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| |
2E8 - 2EF | Reserved serial port | |
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Maintenance and Service Guide |