I/O port addresses
| Description: | A+ cert. interrupt vectors- I/O port addresses |
| Category: | Computers |
| Created by: | Brandon2258 on 2005-10-02 |
| Stack ID: | 24261 |
| Address | Device | Use |
| 000-01F | DMA controller | System |
| 020-03F | Interrupt controller | System |
| 040-05F | Timer/Counter | System |
| 060-06F | Keyboard Controller | System |
| 070-07F | Real-time clock, NMI mask | System |
| 080-09F | DMA page register | System |
| 0A0-0BF | Interrupt controller | System |
| 0F0 | Clear math coprocessor busy | System |
| 0F1 | Reset math coprocessor | System |
| 0F8-0FF | Math coprocessor | System |
| 170-177 | Second IDE controller | I/O |
| 1F0-1F7 | First IDE controller | I/O |
| 200-207 | Game port | I/O |
| 278-27F | Parellel printer port #2 | I/O |
| 2F8-2FF | Serial port #2 | I/O |
| 378-37F | Parallel printer port #1 | I/O |
| 3B0-3BF | MGA/first printer port | I/O |
| 3D0-3DF | CGA | I/O |
| 3F0-3F7 | FDD Controller | I/O |
| 3F8-3FF | Serial port #1 | I/O |
| FF80-FF9F | USB controller | I/O |
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