User`s manual
Table Of Contents
- M-322
- Revision History
- Preface
- Table of Contents
- List of Figures
- List of Tables
- 1 Introduction
- 2 Connectors & Jumpers
- 2.1 Rear I/O Connectors
- 2.2 Onboard Connectors
- Front Panel Audio Pin Header (AAFP)
- ATX 12V Power Connector (ATX12V)
- ATX Power Connector (EATXPWR)
- CD-in Connector (CD)
- System Fan Connector (CHA_FAN1)
- CPU Fan Connector (CPU_FAN)
- Chassis Intrusion Connector (CHASSIS)
- Serial Port Connectors RS-232 (COM2-4)
- Serial Port Connectors RS-422/485 (COM4)
- Floppy Disk Drive Connector (FLOPPY)
- System Panel Pin Header (F_PANEL)
- Amplifier Audio Pin Header (JAMP1)
- Digital IO Pin Header (JDIO)
- IDE Connector (PRI_EIDE)
- Power Fan Connector (PWR_FAN)
- SATA Connectors (SATA1-6)
- S/PDIF Pin Header (SPDIF_OUT)
- SPI Pin Header (SPI)
- USB Pin Headers (USB56/78/910/1112)
- 2.3 Jumpers
- 3 Getting Started
- 4 BIOS Setup
- 4.1 Starting the BIOS
- 4.2 Main Setup
- 4.3 Advanced Setings
- 4.3.1 USB Configuration
- 4.3.2 Trusted Computing
- 4.3.3 Intel TXT Configuration
- 4.3.4 Intel VT-d Configuration
- 4.3.5 CPU Configuration
- 4.3.6 Chipset Settings
- North Bridge Configuration
- 4.4 Power Settings
- 4.5 Boot Settings
- 4.6 Exit Menu
- Appendix A - Watchdog Timer
- Appendix B - System Resources
- Important Safety Instructions
- Getting Service
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#