Interrupt Vector - retrotruestory/M1DEV GitHub Wiki

Interrupt Vector

IRQ0 is the highest priority interrupt request line and IRQ5 is the lowest.

• IRQ0 - unassigned
• IRQ1 - IDE interface
• IRQ2 - Serial port 1
• IRQ3 - Serial port 0
• IRQ4 - unassigned
• IRQ5 - Heartbeat interrupt