APPENDIX
96M5985o User’s Manual
61
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
Reserved
IRQ7
Reserved
IRQ8
Real Time Clock
IRQ9
Reserved
IRQ10
Serial Port #3
IRQ11
Serial Port #4
IRQ12
PS/2 Mouse
IRQ13
80287
IRQ14
Primary IDE
IRQ15
Secondary IDE
Summary of Contents for 96M5985o
Page 1: ...96M5985o Intel Sandy Bridge PCH Mini ITX Motherboard USER S MANUAL Version 1 0...
Page 4: ...iv 96M5985o User s Manual This page is intentionally left blank...
Page 8: ...INTRODUCTION 4 96M5985o User s Manual Board Size 170mm x 170mm...
Page 9: ...INTRODUCTION Board Dimensions 96M5985o User s Manual 5...
Page 18: ...INSTALLATIONS Connector Locations on 96M5985o 14 96M5985o User s Manual...
Page 25: ...INSTALLATIONS 96M5985o User s Manual 21 This page is intentionally left blank...