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APPENDIX
58
MI945PA User’s Manual
B. Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the
service required. The following table shows the IRQ used by the devices
on board.
Level
Function
IRQ0
System Timer Output
IRQ1 Keyboard
IRQ2 Interrupt
Cascade
IRQ3
Serial Port #2
IRQ4
Serial Port #1
IRQ5 Reserved
IRQ6
Floppy Disk Controller
IRQ7
Parallel Port #1
IRQ8
Real Time Clock
IRQ9 Reserved
IRQ10 Reserved
IRQ11 Reserved
IRQ12 PS/2
Mouse
IRQ13 80287
IRQ14 Primary
IDE
IRQ15 Secondary
IDE
Summary of Contents for MI945PA
Page 1: ...MI945PA Intel CoreTM 2 Duo GM45 Mini ITX Motherboard USER S MANUAL Version 1 0...
Page 8: ...INTRODUCTION Board Dimensions 4 MI945PA User s Manual...
Page 17: ...INSTALLATIONS Connector Locations on MI945PA MI945PA User s Manual 13...
Page 26: ...INSTALLATIONS 22 MI945PA User s Manual This page is intentionally left blank...
Page 48: ...BIOS SETUP 44 MI945PA User s Manual This page is intentionally left blank...
Page 67: ...APPENDIX MI945PA User s Manual 63 This page is intentionally left blank...