APPENDIX
70
IB970 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
IRQ3
Serial Port #2
IRQ4
Serial Port #1
IRQ8
Real Time Clock
IRQ14
Primary IDE
IRQ15
Secondary IDE
Summary of Contents for IB970
Page 1: ...IB970 3rd Gen Intel CoreTM i7 i5 B75 PCH Full Size CPU Card USER S MANUAL Version 1 0 ...
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Page 9: ...INTRODUCTION IB970 User s Manual 5 Board Dimensions ...
Page 14: ...INSTALLATIONS 10 IB970 User s Manual Jumper Locations on IB970 ...
Page 19: ...INSTALLATIONS IB970 User s Manual 15 Connector Locations on IB970 ...
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Page 52: ...BIOS SETUP 48 IB970 User s Manual This page is intentionally left blank ...
Page 72: ...DRIVER INSTALLATION 68 IB970 User s Manual This page is intentionally left blank ...