EVGA 131-K8-NF44-XX manual Standard Interrupt Assignments, Priority Standard function

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Standard Interrupt Assignments

IRQ

Priority

Standard function

0

N/A

System Timer

1

N/A

Keyboard Controller

2

N/A

Programmable Interrupt

3 *

8

Communications Port (COM2)

4 *

9

Communications Port (COM1)

5 *

6

Sound Card (sometimes LPT2)

6 *

11

Floppy Disk Controller

7 *

7

Printer Port (LPT1)

8

N/A

System CMOS/Real Time Clock

9 *

10

ACPI Mode when enabled

10 *

3

IRQ Holder for PCI Steering

11 *

2

IRQ Holder for PCI Steering

12 *

4

PS/2 Compatible Mouse Port

13

N/A

Numeric Data Processor

14 *

5

Primary IDE Channel

15 *

1

Secondary IDE Channel

* These IRQs are usually available for PCI devices.

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Phone: 888 / 881-EVGA - 714 / 528-4500 - Fax: 714 / 528-4501

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Contents Page USER’S Manual For Evga NFORCE4 Motherboard CPU Support Table of Contents Introduction of nForce4 Motherboards Motherboard Features ChapterPage Specifications Layout Diagram & Jumper Settings JP9 Jbat SysfanJumper Name Description JUMPERS, CONNECTORS, HEADERS, and SocketsConnector Name Description Header Name DescriptionSocket/Slot Name Description PCI1Hardware Installation Hardware Installation Steps Closed Normal Closed Clear CmosKeyboard Function Enabled/Disabled JP1 USB Power On function Enabled/Disabled JP9Install CPU Glossary About AMD Athlon64 939-pin CPUs CPU ZIF mPGAB SocketBank Pin Dimm Install MemoryValid Memory Configurations Total MemoryDIMM1 & DIMM3 Dual Channel DIMM2 & DIMM4 Dual Channel Expansion Cards Procedure For Expansion Card Installation Assigning IRQs For Expansion CardInterrupt Request Table For This Motherboard PCI-Express SlotsFrom TOP to Bottom Standard Interrupt Assignments Priority Standard functionSLI Bridge for Nvidia SLI Supported VGA Cards Page Connectors and Headers Power Connector 24-pin block Atxpwr PIN ROW1 ROW2ATX 12V Power Connector 4-pin block ATX12V PS/2 Mouse & PS/2 Keyboard Connector KBFireWire/USB connector CN1 MIC Pink CEN/LEF BlacknessCOM2/PARALLEL/SPDIF OUT Floppy drive Connector 34-pin block FDDPrimary IDE Connector 40-pin block IDE1 PinSerial-ATA Port connector SATA1 / SATA2 / SATA3/ SATA4 SLI Select Mode Jumpers JP2, JP3, JP4, JP5, JP6, JP7, JP8Headers Line-Out/MIC Header for Front Panel 9-pin Audio AudioUSB Port Headers 9-pin USB1/USB2/USB3 Reset Switch Reset Speaker connector SpeakPower LED PWR LED Power Switch PWR BTNFireWire Header IEEE11394 FAN Headers 3-pin CPUFAN, CHAFAN1, SYSFAN1~2, FAN5CD Audio-In Headers 4-pin Cdin Supplemental SLI Power J1 Starting Up Your Computer Beep MeaningIntroducing Bios Entering SetupDriver Installation RAID Installation Appendix Quick Debug Port Post CodesBoot Block Post Codes COPYRIGHTS, TRADEMARKS, Notices FCC Compliance InformationWarranty Information Limited Warranty Contacting Customer Service Useful InformationInformation to Keep Handy Before Calling