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| Appendix B Technical Summary | |
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INTERRUPT MAP |
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| IRQ | ASSIGNMENT |
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| 0 | System TIMER interrupt from |
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| 1 | Keyboard output buffer full |
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| 2 | Cascade for IRQ |
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| 3 | Serial port 2 |
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| 4 | Serial port 1 |
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| 5 | Available |
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| 6 | Floppy Disk adapter |
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| 7 | Parallel port 1 |
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| 8 | RTC clock |
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| 9 |
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| 10 | Serial port 3 |
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| 11 | Serial port 4 |
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| 12 | PS/2 Mouse |
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| 13 | Math coprocessor |
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| 14 | Hard Disk adapter |
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| 15 | Hard Disk adapter |
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