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Page 36 Express-IBE2

5.4. Interrupt Request (IRQ) Lines

PIC Mode

IRQ# Typical Intterupt Resource Connected to Pin Available

0 Counter 0 N/A No

1 Keyboard controller IRQ1 vis SEIRQ No

2 Cascade interrupt from slave PIC N/A No

3 Serial Port 2 (COM2) / PCI IRQ3 via SERIRQ / PIRQ Note (1)

4 Serial Port 1 (COM1) / PCI IRQ4 via SERIRQ / PIRQ Note (1)

5 Generic IRQ5 via SERIRQ / PIRQ Note (1)

6 Floppy Drive Controller IRQ6 via SERIRQ / PIRQ No

7 Generic IRQ7 via SERIRQ / PIRQ Note (1)

8 Real-time clock N/A No

9 Generic IRQ9 via SERIRQ / PIRQ Note (1)

10 Generic IRQ10 via SERIRQ / PIRQ Note (1)

11 Generic IRQ11 via SERIRQ / PIRQ Note (1)

12 PS/2 Mouse IRQ12 via SERIRQ / PIRQ Note (1)

13 Math Processor N/A No

14 Generic IRQ14 via SERIRQ / PIRQ Note (1)

15 Generic IRQ15 via SERIRQ / PIRQ Note (1)

Notes:

(1) These IRQs can be used for PCI devices when the onboard device is disabled.

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Adlink Express-IBE2 Manuale Utente Pagina 36