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Appendix C
IRQ and I/O Port Address
The
Interrupt Request
The factory-set IRQs are assigned as follows:
IRQ | Peripheral Device (Controller) | IRQ | Peripheral Device (Controller) |
0 | System timer | 8 | |
1 | Keyboard | 9 | PCI/SCI |
2 | Cascaded connection | 10 | PCI (BMC IRQ) |
3 | COM B serial port (PCI) | 11 | BMCIRQ/PCI/ISA |
4 | COM A serial port (PCI) | 12 | Mouse |
5 | PCI/LPT2 parallel port (BMC IRQ) | 13 | Numeric processor |
6 | Floppy disk | 14 | Primary IDE |
7 | LPT1 parallel port | 15 | PCI |