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Interrupt Configuration

INTERRUPT	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
KBID# 040447, Last Reviewed: November 11, 1999
Document Path: