72
System Resources
B.5 Interrupt Request (IRQ) Lines
IRQ Lines PIC Mode
Table B-5: IRQ Lines PIC Mode
IRQ#
Typical Interrupt
Resource
Connected to Pin
0
System timer
Internal Timer / Counter 0 output /
HPET #0
3
Communications Port
(COM2)
IRQ3 via SERIRQ, PIRQ#
4
Communications Port
(COM1)
IRQ4 via SERIRQ, PIRQ#
6
Floppy Disk
IRQ6 via SERIRQ, PIRQ#
8
System CMOS/real time
clock
Internal RTC / HPET #1
9
Microsoft ACPI-Compliant
System
IRQ9 via SERIRQ, SCI, TCO, or
PIRQ#
10
Communications Port
(COM3)
IRQ10 via SERIRQ, SCI, TCO, or
PIRQ#
11
Communications Port
(COM4)
IRQ11 via SERIRQ, SCI, TCO, or
PIRQ#, or HPET#2
13
Numeric data processor
State Machine output based on
processor FERR#assertion. May
optionally be used for SCI or TCO
interrupt if FERR# not needed.
14
Primary IDE Channel
SATA Primary (legacy mode), or via
SERIRQ or PIRQ#
15
Secondary IDE Channel
SATA Secondary (legacy mode) or via
SERIRQ or PIRQ#
Содержание M-322
Страница 6: ...vi Preface This page intentionally left blank ...
Страница 9: ...Table of Contents ix M 322 Important Safety Instructions 77 Getting Service 79 ...
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Страница 12: ...xii List of Figures This page intentionally left blank ...
Страница 14: ...xiv List of Tables This page intentionally left blank ...
Страница 25: ...Introduction 11 M 322 1 9 Mechanical Drawings Figure 1 4 M 322 Board Dimensions Dimensions in mm ...
Страница 26: ...12 Introduction Figure 1 5 M 322 I O Shield Dimensions Dimensions in mm ...
Страница 40: ...26 Connectors Jumpers This page intentionally left blank ...
Страница 44: ...30 Getting Started 7 Close the load plate A then fasten the load lever on the retention tab B A B ...
Страница 58: ...44 BIOS Setup AHCI Settings System Information ...
Страница 80: ...66 Watchdog Timer This page intentionally left blank ...