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Interrupt ConfigurationINTERRUPT Plug DESCRIPTION IRQ0 N/A TIMER IRQ1 NO KEYBOARD CONTROLLER IRQ2 N/A IRQ FROM SECOND INTERRUPT CONTROLLER IRQ3 NO COM2 AND COM4 IRQ4 NO COM1 AND COM3 IRQ5 YES SOUND PORT IRQ6 NO FLOPPY DISK CONTROLLER IRQ7 NO PRIMARY LPT IRQ8 N/A REAL-TIME CLOCK IRQ9 AVAIL (DEFAULT)UNLESS JUMPER CLOSED FOR VGA RETRACE IRQ10 AVAIL IRQ11 AVAIL IRQ12 NO ON-BOARD PS/2 MOUSE IRQ13 N/A MATH COPROCESSOR IRQ14 NO PRIMARY IDE HARD DRIVE IRQ15 NO SECONDARY IDE HARD DRIVE IF PRESENT, ELSE USER AVAILABLE Document Information |