I/O address (hex) | System function (shipping configuration) | |
|
|
|
220 | - 22F | Entertainment audio |
|
|
|
230 | - 26D | Unused |
|
| |
26E - 26 | Unused | |
|
|
|
278 | - 27F | Unused |
|
|
|
280 | - 2AB | Unused |
|
| |
2A0 - 2A7 | Unused | |
|
| |
2A8 - 2E7 | Unused | |
|
| |
2E8 - 2EF | Reserved serial port | |
|
| |
2F0 - 2F7 | Unused | |
|
| |
2F8 - 2FF | Infrared port | |
|
|
|
300 | - 31F | Unused |
|
|
|
320 | - 36F | Unused |
|
|
|
370 | - 377 | Secondary diskette drive controller |
|
|
|
378 | - 37F | Parallel port (LPT1/default) |
|
|
|
380 | - 387 | Unused |
|
|
|
388 | - 38B | FM |
|
| |
38C - 3AF | Unused | |
|
| |
3B0 - 3BB | VGA | |
|
| |
3BC - 3BF | Reserved (parallel port/no EPP support) | |
|
| |
3C0 - 3DF | VGA | |
|
| |
3E0 - 3E1 | PC Card controller in CPU | |
|
| |
3E2 - 3E3 | Unused | |
|
| |
3E8 - 3EF | Internal modem | |
|
| |
3F0 - 3F7 | “A” diskette controller | |
|
| |
3F8 - 3FF | Serial port (COM1/default) | |
|
| |
CF8 - CFB | PCI configuration index register | |
|
| |
CFC - CFF | PCI configuration data register | |
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|
|
System I/O address specifications 73
