Asus K8N-DRE User Manual

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K8N-DRE

Motherboard

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E2129E2129

E2129

E2129E2129

First EditionFirst Edition

First Edition

First EditionFirst Edition August 2005August 2005

August 2005

August 2005August 2005

Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved.Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced,

transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).

Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.

SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.

Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners’ benefit, without intent to infringe.

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Contents

Notices ................................................................................................ vi

Safety information ............................................................................. vii

About this guide ............................................................................... viii

Typography ......................................................................................... ix

K8N-DRE specifications summary ........................................................ x

Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introduction

Chapter 1: Product introductionChapter 1: Product introduction

1.1 Welcome! .............................................................................. 1-1

1.2 Package contents ................................................................. 1-1

1.3 Special features .................................................................... 1-2

1.3.1 Product highlights................................................... 1-2

1.3.2 Innovative ASUS features ....................................... 1-4

Chapter 2: Hardware informationChapter 2: Hardware information

Chapter 2: Hardware information

Chapter 2: Hardware informationChapter 2: Hardware information

2.1 Before you proceed .............................................................. 2-1

Onboard LEDs ....................................................................... 2-1

2.2 Motherboard overview .......................................................... 2-2

2.2.1 Placement direction ................................................ 2-2

2.2.2 Screw holes ............................................................ 2-2

2.2.3 Motherboard layout ................................................ 2-3

2.2.4 Heatsink plates ....................................................... 2-4

2.2.5 Layout Contents ..................................................... 2-7

2.3 Central Processing Unit (CPU) .............................................. 2-9

2.3.1 Overview ................................................................. 2-9

2.3.2 Installing the CPU.................................................... 2-9

2.3.3 Installing the heatsink ........................................... 2-11

2.4 System memory ................................................................. 2-12

2.4.1 Overview ............................................................... 2-12

2.4.2 Memory Configurations .........................................2-13

2.4.3 Installing a DIMM ................................................... 2-15

2.4.4 Removing a DIMM ................................................. 2-15

2.5 Expansion slots ................................................................... 2-16

2.5.1 Installing an expansion card .................................. 2-16

2.5.2 Configuring an expansion card.............................. 2-16

2.5.3 Interrupt assignments .......................................... 2-17

2.5.4 PCI Express x16 .................................................... 2-17

2.6 Jumpers .............................................................................. 2-18

2.7 Connectors ......................................................................... 2-22

2.7.1 Rear panel connectors .......................................... 2-22

2.7.2 Internal connectors............................................... 2-23

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Contents

Chapter 3: Powering upChapter 3: Powering up

Chapter 3: Powering up

Chapter 3: Powering upChapter 3: Powering up

3.1 Starting up for the first time................................................ 3-1

3.2 Powering off the computer .................................................. 3-2

3.2.1 Using the OS shut down function ........................... 3-2

3.2.2 Using the dual function power switch .................... 3-2

Chapter 4: BIOS setupChapter 4: BIOS setup

Chapter 4: BIOS setup

Chapter 4: BIOS setupChapter 4: BIOS setup

4.1 Managing and updating your BIOS ........................................ 4-1

4.1.1 Creating a bootable floppy disk .............................. 4-1

4.1.2 AFUDOS utility ........................................................ 4-2

4.1.3 ASUS CrashFree BIOS 2 utility ................................ 4-5

4.1.4 ASUS Update utility ................................................ 4-7

4.2 BIOS setup program ........................................................... 4-10

4.2.1 BIOS menu screen ................................................. 4-11

4.2.2 Menu bar ............................................................... 4-11

4.2.3 Navigation keys .................................................... 4-11

4.2.4 Menu items ........................................................... 4-12

4.2.5 Sub-menu items ................................................... 4-12

4.2.6 Configuration fields .............................................. 4-12

4.2.7 Pop-up window ..................................................... 4-12

4.2.8 Scroll bar .............................................................. 4-12

4.2.9 General help .......................................................... 4-12

4.3 Main menu .......................................................................... 4-13

4.3.1 System Date ......................................................... 4-13

4.3.2 System Time ......................................................... 4-13

4.3.3 Floppy A ............................................................... 4-13

4.3.4 IDE Configuration .................................................. 4-14

4.3.5 Primary, Secondary, Tertiary, Fourth, Fifth,

and Sixth IDE Master/Slave .................................. 4-16

4.3.6 System Information .............................................. 4-17

4.4 Advanced menu .................................................................. 4-19

4.4.1 CPU Configuration ................................................. 4-19

4.4.2 Chipset Configuration ........................................... 4-20

4.4.3 PCI PnP ................................................................. 4-22

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4.4.4 USB Configuration................................................. 4-23

4.4.5 Peripheral Devices Configuration .......................... 4-24

4.4.6 ACPI Configuration ................................................ 4-25

4.4.7 APM Configuration ................................................ 4-26

4.4.8 Hardware Monitor ................................................. 4-27

4.5 Server menu ....................................................................... 4-29

Remote Access Configuration ............................................ 4-29

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Contents

4.6 Security menu .................................................................... 4-31

4.7.1 Boot Device Priority .............................................. 4-34

4.7.2 Boot Settings Configuration ................................. 4-35

4.7 Boot menu .......................................................................... 4-34

4.8 Exit menu ........................................................................... 4-37

Chapter 5: RAID configurationChapter 5: RAID configuration

Chapter 5: RAID configuration

Chapter 5: RAID configurationChapter 5: RAID configuration

5.1 Setting up RAID .................................................................... 5-1

5.1.1 RAID definitions ...................................................... 5-1

5.1.2 Installing hard disk drives ....................................... 5-2

5.1.3 RAID configuration utility........................................ 5-2

5.2 NVIDIA

5.2.1 Setting the BIOS RAID items .................................. 5-3

5.2.2 Entering the NVIDIA

5.2.3 Creating a RAID 0 set (Stripe)................................ 5-5

5.2.4 Creating a RAID 1 set (Mirror) ................................ 5-7

RAID configurations ................................................ 5-3

RAID Utility ........................... 5-4

5.2.5 Rebuilding a RAID set ............................................. 5-8

5.2.6 Deleting a RAID array ............................................. 5-9

5.2.7 Clearing the disk data ........................................... 5-10

5.3 LSI Logic Configuration Utility (SCSI model only)............... 5-11

5.3.1 Boot Adapter List ................................................. 5-12

5.3.2 Global Properties .................................................. 5-13

5.3.3 Adapter Properties ............................................... 5-15

5.3.4 Creating a RAID 1 (Mirror) set .............................. 5-22

5.3.5 Creating a RAID 0 (Stripe) set.............................. 5-24

5.3.6 Running the Diagnostic Mode ............................... 5-25

5.3.7 Managing arrays ................................................... 5-26

Chapter 6: Driver installationChapter 6: Driver installation

Chapter 6: Driver installation

Chapter 6: Driver installationChapter 6: Driver installation

6.1 RAID driver installation ......................................................... 6-1

Creating a RAID driver disk ................................................... 6-1

6.3 LAN driver installation .......................................................... 6-3

6.4 Support CD information ........................................................ 6-4

6.4.1 Running the support CD ......................................... 6-4

6.4.2 Drivers menu .......................................................... 6-5

6.4.3 Management Software ............................................ 6-6

6.4.4 Utilities ................................................................... 6-7

Appendix: Reference informationAppendix: Reference information

Appendix: Reference information

Appendix: Reference informationAppendix: Reference information

A.1 K8N-DRE block diagram ........................................................ A-1

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Notices

Federal Communications Commission StatementFederal Communications Commission Statement

Federal Communications Commission Statement

Federal Communications Commission StatementFederal Communications Commission Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

•

This device may not cause harmful interference, and

•

This device must accept any interference received including interference that may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with manufacturer’s instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

•

Reorient or relocate the receiving antenna.

•

Increase the separation between the equipment and receiver.

•

Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.

•

Consult the dealer or an experienced radio/TV technician for help.

The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.

Canadian Department of Communications StatementCanadian Department of Communications Statement

Canadian Department of Communications Statement

Canadian Department of Communications StatementCanadian Department of Communications Statement

This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.

This class B digital apparatus complies with CanadianThis class B digital apparatus complies with Canadian

This class B digital apparatus complies with Canadian

This class B digital apparatus complies with CanadianThis class B digital apparatus complies with Canadian ICES-003.ICES-003.

ICES-003.

ICES-003.ICES-003.

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Safety information

Electrical safetyElectrical safety

Electrical safety

Electrical safetyElectrical safety

•

To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system.

•

When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.

•

Before connecting or removing signal cables from the motherboard, ensure that all power cables are unplugged.

•

Seek professional assistance before using an adapter or extension cord. These devices could interrupt the grounding circuit.

•

Make sure that your power supply is set to the correct voltage in your area. If you are not sure about the voltage of the electrical outlet you are using, contact your local power company.

•

If the power supply is broken, do not try to fix it by yourself. Contact a qualified service technician or your retailer.

Operation safetyOperation safety

Operation safety

Operation safetyOperation safety

•

Before installing the motherboard and adding devices on it, carefully read all the manuals that came with the package.

•

Before using the product, make sure all cables are correctly connected and the power cables are not damaged. If you detect any damage, contact your dealer immediately.

•

To avoid short circuits, keep paper clips, screws, and staples away from connectors, slots, sockets and circuitry.

•

Avoid dust, humidity, and temperature extremes. Do not place the product in any area where it may become wet.

•

Place the product on a stable surface.

•

If you encounter technical problems with the product, contact a qualified service technician or your retailer.

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About this guide

This user guide contains the information you need when installing and configuring the motherboard.

How this guide is organizedHow this guide is organized

How this guide is organized

How this guide is organizedHow this guide is organized

This manual contains the following parts:

••

Chapter 1: Product introductionChapter 1: Product introduction

•

Chapter 1: Product introduction

••

Chapter 1: Product introductionChapter 1: Product introduction This chapter describes the features of the motherboard and the new

technology it supports.

••

Chapter 2: Hardware informationChapter 2: Hardware information

•

Chapter 2: Hardware information

••

Chapter 2: Hardware informationChapter 2: Hardware information This chapter lists the hardware setup procedures that you have to

perform when installing system components. It includes description of the switches, jumpers, and connectors on the motherboard.

••

Chapter 3: Powering upChapter 3: Powering up

•

Chapter 3: Powering up

••

Chapter 3: Powering upChapter 3: Powering up This chapter describes the power up sequence, the vocal POST

messages, and ways of shutting down the system.

••

Chapter 4: BIOS setupChapter 4: BIOS setup

•

Chapter 4: BIOS setup

••

Chapter 4: BIOS setupChapter 4: BIOS setup Tells how to change system settings through the BIOS Setup menus.

Detailed descriptions of the BIOS parameters are also provided.

••

Chapter 5: RAID configurationChapter 5: RAID configuration

•

Chapter 5: RAID configuration

••

Chapter 5: RAID configurationChapter 5: RAID configuration Provides information on RAID configurations for this motherboard.

••

Chapter 6: Driver installationChapter 6: Driver installation

•

Chapter 6: Driver installation

••

Chapter 6: Driver installationChapter 6: Driver installation This chapter provides information on RAID and LAN driver installation

for this motherboard.

••

Appendix: Reference informationAppendix: Reference information

•

Appendix: Reference information

••

Appendix: Reference informationAppendix: Reference information This appendix includes additional information that you may refer to

when configuring the motherboard.

Where to find more informationWhere to find more information

Where to find more information

Where to find more informationWhere to find more information

Refer to the following sources for additional information and for product and software updates.

1.1.

ASUS websitesASUS websites

ASUS websites

1.1.

ASUS websitesASUS websites

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The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information.

2.2.

Optional documentationOptional documentation

Optional documentation

2.2.

Optional documentationOptional documentation Your product package may include optional documentation, such as

warranty flyers, that may have been added by your dealer. These documents are not part of the standard package.

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Conventions used in this guideConventions used in this guide

Conventions used in this guide

Conventions used in this guideConventions used in this guide

To make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual.

DANGER/WARNING: DANGER/WARNING:

DANGER/WARNING: Information to prevent injury to yourself

DANGER/WARNING: DANGER/WARNING: when trying to complete a task.

CAUTION:CAUTION:

CAUTION: Information to prevent damage to the components

CAUTION:CAUTION: when trying to complete a task.

IMPORTANT: IMPORTANT:

IMPORTANT: Instructions that you MUST follow to complete a

IMPORTANT: IMPORTANT: task.

NOTE: NOTE:

NOTE: Tips and additional information to help you complete a

NOTE: NOTE: task.

Typography

Bold textBold text

Bold text Indicates a menu or an item to select.

Bold textBold text

Italics

<Key> Keys enclosed in the less-than and greater-

<Key1+Key2+Key3> If you must press two or more keys

Command Means that you must type the command

Used to emphasize a word or a phrase.

than sign means that you must press the enclosed key.

Example: <Enter> means that you must press the Enter or Return key.

simultaneously, the key names are linked with a plus sign (+).

Example: <Ctrl+Alt+D>

exactly as shown, then supply the required item or value enclosed in brackets.

Example: At the DOS prompt, type the command line:

format A:/S

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K8N-DRE specifications summary

CPUCPU

CPU

CPUCPU

ChipsetChipset

Chipset

ChipsetChipset

System BusSystem Bus

System Bus

System BusSystem Bus

MemoryMemory

Memory

MemoryMemory

Expansion slotsExpansion slots

Expansion slots

Expansion slotsExpansion slots

Dual Socket 940 for AMD Opteron™ 64 processors Supports AMD 64 architecture that enables simultaneous

32-bit and 64-bit computing

NVIDIA® nForce Professional 2200

1600/2000 MT per second

Dual-channel memory architecture 8 x 184-pin DIMM sockets support registered ECC 400/333/266 MHz DDR memory modules Supports up to 32 GB system memory

(Note: Tested only up to 16 GB on this motherboard due

to 2 GB DDR availability)

1 x PCI Express x16 slot 1 x PCI slot

StorageStorage

Storage

StorageStorage

Dual LANDual LAN

Dual LAN

Dual LANDual LAN

USBUSB

USB

USBUSB

Special featuresSpecial features

Special features

Special featuresSpecial features

Rear panelRear panel

Rear panel

Rear panelRear panel

NVIDIA

LSI 1020A SCSI RAID controller supports:

2 x BROADCOM® BCM5721 Gigabit PCI-E LAN controllers

2 x USB 2.0 ports (on the rear panel) 1 x USB 2.0 connector (on board; supports 2 ports)

ASUS Q-Fan 2 ASUS CrashFree BIOS 2 ASUS MyLogo2

1 x Serial port (COM1) 2 x LAN (RJ-45) port 1 x VGA port 2 x USB 2.0 ports 1 x PS/2 keyboard port 1 x PS/2 mouse port

nForce Professional 2200 chipset supports:

- 2 x Ultra DMA 133/100/66/33 IDE drives

- 4 x SATA-II 3Gb/s drives

- RAID 0, RAID 1, RAID 1+0, and JBOD configurations

- RAID 0, RAID 1, and RAID 1E configurations (SCSI model only)

BIOS featuresBIOS features

BIOS features

BIOS featuresBIOS features

PowerPower

Power

PowerPower RequirementRequirement

Requirement

RequirementRequirement

8 Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3

ATX power supply (with 24-pin and 8-pin 12 V plugs) ATX 12 V 2.0 compliant

(continued on the next page)

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K8N-DRE specifications summary

InternalInternal

Internal

InternalInternal connectorsconnectors

connectors

connectorsconnectors

Form FactorForm Factor

Form Factor

Form FactorForm Factor

Support CDSupport CD

Support CD

Support CDSupport CD contentscontents

contents

contentscontents

1 x Floppy disk drive connector 2 x IDE connectors 4 x Serial ATA connectors 1 x 68-pin SCSI connector ( 6 x Front fan connector 4 x Rear fan connector 1 x 24-pin ATX power connector 1 x 8-pin ATX 12 V power connector 1 x Power supply SMBUS connector 1 x Serial port (COM2) 1 x USB 2.0 connector for 2 additional USB 2.0 ports 1 x SMBus header for back-plane 1 x 4-pin Hard Disk LED connector 1 x 26-1 pin printer port connector 1 x 20-1 pin auxiliary panel connector 1 x 24-1 pin system panel connector

E-ATX form factor: 12 in x 13 in (30.5 cm x 33 cm)

Device drivers ASUS Live Update utility Norton Internet Security 2005

SCSI models only

)

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This chapter describes the motherboard features and the new technologies it supports.

introduction

Product

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Chapter summary

1.1 Welcome! .............................................................................. 1-1

1.2 Package contents ................................................................. 1-1

1.3 Special features .................................................................... 1-2

ASUS K8N-DREASUS K8N-DRE

ASUS K8N-DRE

ASUS K8N-DREASUS K8N-DRE

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1.1 Welcome!

®®

Thank you for buying an ASUSThank you for buying an ASUS

Thank you for buying an ASUS

Thank you for buying an ASUSThank you for buying an ASUS

®®

K8N-DRE motherboard! K8N-DRE motherboard!

K8N-DRE motherboard!

K8N-DRE motherboard! K8N-DRE motherboard!

The motherboard delivers a host of new features and latest technologies, making it another standout in the long line of ASUS quality motherboards!

Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below.

1.2 Package contents

Check your motherboard package for the following items.

MotherboardMotherboard

Motherboard ASUS K8N-DRE motherboard

MotherboardMotherboard

CablesCables

Cables 4 x Serial ATA signal cables (dual plugs)

CablesCables

2 x Serial ATA power cables (dual plugs) 1 x SCSI Ultra320 cable (SCSI model only) 1 x 3-in-1 IDE and floppy cable

AccessoriesAccessories

Accessories I/O shield

AccessoriesAccessories

2 x Copper heatsink 2 x Support plates for CPU 2 x Adhesive pads 4 x Screws

Application CDApplication CD

Application CD ASUS motherboard support CD

Application CDApplication CD

DocumentationDocumentation

Documentation User guide

DocumentationDocumentation

If any of the above items is damaged or missing, contact your retailer.

ASUS K8N-DREASUS K8N-DRE

ASUS K8N-DRE

ASUS K8N-DREASUS K8N-DRE

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1-1

1-11-1

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1.3 Special features

1.3.11.3.1

1.3.1

1.3.11.3.1

Latest processor technology Latest processor technology

Latest processor technology

Latest processor technology Latest processor technology

The motherboard comes with dual 940-pin sockets for the AMD Opteron™ 64 processors. The processors are based on AMD’s 64-bit and 32-bit architecture, which represents the landmark introduction of the industry’s first x86-64 technology, provide a dramatic leap forward in compatibility, performance, investment protection, and reduced total cost of ownership and development.

PCI Express™ interface PCI Express™ interface

PCI Express™ interface

PCI Express™ interface PCI Express™ interface

The motherboard fully supports PCI Express, the latest I/O interconnect technology that speeds up the PCI bus. PCI Express features point-to-point serial interconnections between devices and allows higher clockspeeds by carrying data in packets. This high speed interface is software compatible with existing PCI specifications. See page 2-17 for details.

Product highlightsProduct highlights

Product highlights

Product highlightsProduct highlights

HyperTransport™ Technology HyperTransport™ Technology

HyperTransport™ Technology

HyperTransport™ Technology HyperTransport™ Technology

HyperTransport™ Technology is a high-speed, low latency, point-to-point link designed to increase the communication speed between integrated circuits in computers, networking and telecommunicatons equipment up to 48 times faster than other existing technologies.

Dual Channel DDR memory support Dual Channel DDR memory support

Dual Channel DDR memory support

Dual Channel DDR memory support Dual Channel DDR memory support

Employing the Double Data Rate (DDR) memory technology, the motherboard supports up to 4GB of system memory using DDR400/333/ 266 DIMMs. The ultra-fast 400MHz memory bus delivers the required bandwidth for the latest 3D graphics, multimedia, and Internet applications. See page 2-12.

Serial ATA 3Gb/s technology Serial ATA 3Gb/s technology

Serial ATA 3Gb/s technology

Serial ATA 3Gb/s technology Serial ATA 3Gb/s technology

The motherboard supports the next-generation Serial ATA 3Gb/s technology through the Serial ATA interfaces and the NVIDIA® nForce4® PRO chipset. The SATA 3Gb/s specification provides twice the bandwidth of the current Serial ATA products. Additionally, Serial ATA allows thinner, more flexible cables with lower pin count, and reduced voltage requirement. See pages 2-24.

1-21-2

1-2

1-21-2

Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introduction

Chapter 1: Product introductionChapter 1: Product introduction

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Dual RAID solutionDual RAID solution

Dual RAID solution

Dual RAID solutionDual RAID solution

Onboard RAID controllers provide the motherboard with dual-RAID functionality that allows you to select the best RAID solution using IDE or Serial ATA devices.

The NVIDIA

nForce4® PRO allows RAID 0, RAID 1, RAID 0+1 and JBOD configuration for four SATA and two PATA connectors. See pages 2-23 and 2-24 for details.

The LSI 1020A controller (

SCSI models only

) supports a single-channel SCSI Ultra320 and allows RAID 0, RAID 1, and RAID 1E. See pages 2-25 for details.

USB 2.0 technology USB 2.0 technology

USB 2.0 technology

USB 2.0 technology USB 2.0 technology

The motherboard implements the Universal Serial Bus (USB) 2.0 specification, dramatically increasing the connection speed from the 12 Mbps bandwidth on USB 1.1 to a fast 480 Mbps on USB 2.0. USB 2.0 is backward compatible with USB 1.1. See pages 2-22 and 2-27 for details.

Temperature, fan, and voltage monitoringTemperature, fan, and voltage monitoring

Temperature, fan, and voltage monitoring

Temperature, fan, and voltage monitoringTemperature, fan, and voltage monitoring

The CPU temperature is monitored by the ASIC (Winbond W83792D) to prevent overheating and damage. The system fan rotations per minute (RPM) is monitored for timely failure detection. The ASIC monitors the voltage levels to ensure stable supply of current for critical components. See section “4.4.8 Hardware Monitor” on page 4-27.

ASUS K8N-DREASUS K8N-DRE

ASUS K8N-DRE

ASUS K8N-DREASUS K8N-DRE

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1-3

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1.3.21.3.2

1.3.2

1.3.21.3.2

CrashFree BIOS 2 CrashFree BIOS 2

CrashFree BIOS 2

CrashFree BIOS 2 CrashFree BIOS 2

This feature allows you to restore the original BIOS data from the support CD in case when the BIOS codes and data are corrupted. This protection eliminates the need to buy a replacement ROM chip. See details on page 4-5.

ASUS MyLogo2™ ASUS MyLogo2™

ASUS MyLogo2™

ASUS MyLogo2™ ASUS MyLogo2™

This new feature present in the motherboard allows you to personalize and add style to your system with customizable boot logos.

ASUS Q-Fan 2ASUS Q-Fan 2

ASUS Q-Fan 2

ASUS Q-Fan 2ASUS Q-Fan 2

The ASUS Q-Fan 2 technology smartly adjusts the fan speeds according to the system loading to ensure quiet, cool, and efficient operation. See page 4-27 for details.

Innovative ASUS featuresInnovative ASUS features

Innovative ASUS features

Innovative ASUS featuresInnovative ASUS features

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1-4

1-41-4

Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introduction

Chapter 1: Product introductionChapter 1: Product introduction

Page 19

This chapter lists the hardware setup procedures that you have to perform when installing system components. It includes description of the jumpers and connectors on the motherboard.

information

Hardware

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Chapter summary

2.1 Before you proceed .............................................................. 2-1

2.2 Motherboard overview .......................................................... 2-2

2.3 Central Processing Unit (CPU) .............................................. 2-9

2.4 System memory ................................................................. 2-12

2.5 Expansion slots ................................................................... 2-16

2.6 Jumpers .............................................................................. 2-18

2.7 Connectors ......................................................................... 2-22

ASUS K8N-DREASUS K8N-DRE

ASUS K8N-DRE

ASUS K8N-DREASUS K8N-DRE

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2.1 Before you proceed

Take note of the following precautions before you install motherboard components or change any motherboard settings.

• Make sure that your power supply unit (PSU) can provide at least the minimum power required by your system. See “10. ATX power connectors” on page 2-28 for details.

• Unplug the power cord from the wall socket before touching any component.

• Use a grounded wrist strap or touch a safely grounded object or to a metal object, such as the power supply case, before handling components to avoid damaging them due to static electricity

• Hold components by the edges to avoid touching the ICs on them.

• Whenever you uninstall any component, place it on a grounded antistatic pad or in the bag that came with the component.

Before you install or remove any component, ensureBefore you install or remove any component, ensure

•

Before you install or remove any component, ensure

Before you install or remove any component, ensureBefore you install or remove any component, ensure that the ATX power supply is switched off or thethat the ATX power supply is switched off or the

that the ATX power supply is switched off or the

that the ATX power supply is switched off or thethat the ATX power supply is switched off or the power cord is detached from the power supply. power cord is detached from the power supply.

power cord is detached from the power supply. Failure

power cord is detached from the power supply. power cord is detached from the power supply. to do so may cause severe damage to the motherboard, peripherals, and/or components.

Onboard LEDsOnboard LEDs

Onboard LEDs

Onboard LEDsOnboard LEDs

1.1.

Standby power LED (SB_PWR1)Standby power LED (SB_PWR1)

Standby power LED (SB_PWR1)

1.1.

Standby power LED (SB_PWR1)Standby power LED (SB_PWR1) The motherboard comes with a green standby power LED that lights

up to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component.

2.2.

CPU warning LED (CPU_WARN1)CPU warning LED (CPU_WARN1)

CPU warning LED (CPU_WARN1)

2.2.

CPU warning LED (CPU_WARN1)CPU warning LED (CPU_WARN1) The CPU warning LED lights up to indicate that a processor is not

installed or the processor is not installed properly in CPU 1 socket.

CPU_WARN1

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No CPU installed No CPU on socket CPU1 CPU types mismatched

ON OFF

No detected CPU problem

SB_PWR1

K8N-DRE Standby power LED

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Standby

Power

OFF

Powered

Off

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K8N-DRE

2.2 Motherboard overview

Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it.

Make sure to unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage motherboard components.

2.2.12.2.1

2.2.1

2.2.12.2.1

Placement directionPlacement direction

Placement direction

Placement directionPlacement direction

When installing the motherboard, make sure that you place it into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis as indicated in the image below.

2.2.22.2.2

2.2.2

2.2.22.2.2

Screw holesScrew holes

Screw holes

Screw holesScrew holes

Place ten (10) screws into the holes indicated by circles to secure the motherboard to the chassis.

Do not overtighten the screws! Doing so can damage the motherboard.

Place this side towardsPlace this side towards

Place this side towards

Place this side towardsPlace this side towards the rear of the chassisthe rear of the chassis

the rear of the chassis

the rear of the chassisthe rear of the chassis

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2.2.32.2.3

30.5cm (12in)

2.2.3

2.2.32.2.3

Motherboard layoutMotherboard layout

Motherboard layout

Motherboard layoutMotherboard layout

68 34

SB_PWR1

LPT1

SCSI1

FLOPPY1

PCI1

COM2

CPU_WARN1

4Mbit BIOS

LSI

1020A

Super

I/O

RECOVERY1

BMCSOCKET1

ATI

RAGE-XL

SCSI_EN1

VGA_EN1

Mbit

BIOS

K8N-DRE

LAN2 LAN1

BUZZ1

BCM5721 BCM5721

PCIE1

CR2032 3V Lithium Cell

CMOS Power

CLRTC1

VGA1

LAN2_EN1 LAN1_EN1

nVIDIA nForce

Professional

2200

COM1

USB12

KBMS1

KBPWR1

REAR_FAN2

REAR_FAN3

REAR_FAN1

SEC_IDE1

SATA2

SATA1

SATA4

SATA3

REAR_FAN4

PSUSMB1

PRI_IDE1

ATXPWR1

ATX12V1

33cm (13in)

USB34

FPSMB

HDLED1

DDR1 DIMM_D2 (64 bit,184-pin module)

DDR1 DIMM_D1 (64 bit,184-pin module)

PANEL1 AUX_PANEL1

DDR1 DIMM_C1 (64 bit,184-pin module)

DDR1 DIMM_C2 (64 bit,184-pin module)

FRNT_FAN2

FRNT_FAN1

SOCKET 940

CPU2

SOCKET 940

CPU1

DDR1 DIMM_B2 (64 bit,184-pin module)

DDR1 DIMM_B1 (64 bit,184-pin module)

DDR1 DIMM_A2 (64 bit,184-pin module)

DDR1 DIMM_A1 (64 bit,184-pin module)

FRNT_FAN6

FRNT_FAN4FRNT_FAN3

FRNT_FAN5

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2.2.42.2.4

2.2.4

2.2.42.2.4

Heatsink platesHeatsink plates

Heatsink plates

Heatsink platesHeatsink plates

Two heatsink plates come with the motherboard package. These plates support the weight of the CPU heatsinks.

To install the heatsink plates:

1. Peel off the adhesive pads that came with the motherboard package.

Adhesive padAdhesive pad

Adhesive pad

Adhesive padAdhesive pad

2. Match the holes of the adhesive pad with the heatsink plate standoffs.

StandoffsStandoffs

Standoffs

StandoffsStandoffs

3. Press the adhesive pad flat on the heatsink plate.

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4. Peel off the adhesive pad cover.

5. Locate the heatsink holes on the motherboard.

6. Position the heatsink plate underneath the motherboard and match the motherboard CPU1 heatsink holes with the heatsink plate standoffs.

7. Press the heatsink plate flat under the motherboard.

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The heatsink plate standoffs appears as shown when installed.

StandoffsStandoffs

Standoffs

StandoffsStandoffs

8. Repeat steps 1-7 if you want to install a second processor in CPU2 socket.

Even if you are not installing a second processor now, we recommend that you install the second heatsink plate.

9. Secure the motherboard with ten (10) screws. Refer to section “2.2.2 Screw Holes” for the illustration.

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2.2.52.2.5

2.2.5

2.2.52.2.5

Layout ContentsLayout Contents

Layout Contents

Layout ContentsLayout Contents

Slots/SocketsSlots/Sockets

Slots/Sockets

Slots/SocketsSlots/Sockets

PagePage

Page

PagePage

1. CPU sockets 2-9

2. DDR DIMM sockets 2-12

3. PCI Express x16 slot 2-17

JumpersJumpers

Jumpers

JumpersJumpers

PagePage

Page

PagePage

1. Clear RTC RAM (CLRTC1) 2-18

2. Keyboard power (3-pin KBPWR1) 2-19

3. Gigabit LAN1 controller setting (3-pin LAN1_EN1) 2-19

4. Gigabit LAN2 controller setting (3-pin LAN2_EN1) 2-20

5. SCSI controller setting (3-pin SCSI_EN1) 2-20

6. BIOS recovery setting (3-pin RECOVERY1) 2-21

7. VGA graphics controller setting (3-pin VGA_EN1) 2-21

Rear panel connectorsRear panel connectors

Rear panel connectors

Rear panel connectorsRear panel connectors

PagePage

Page

PagePage

1. PS/2 mouse port (green) 2-22

2. PS/2 keyboard port (purple) 2-22

3. USB 2.0 ports 1 and 2 2-22

4. Serial (COM 1) port 2-22

5. VGA port 2-22

6. LAN 1 (RJ-45) port 2-22

7. LAN 2 (RJ-45) port 2-22

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Internal connectorsInternal connectors

Internal connectors

Internal connectorsInternal connectors

PagePage

Page

PagePage

1. Floppy disk drive connector (34-1 pin FLOPPY1) 2-23

2. Primary IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1) 2-23

3. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4) 2-24

4. SCSI connector (68-pin SCSI1) 2-25

5. Storage add-in card activity LED connector (4-pin HDLED1) 2-25

6. Front and rear fan connectors (3-pin FRNT_FAN1, FRNT_FAN2, FRNT_FAN3, FRNT_FAN4, FRNT_FAN5, FRNT_FAN6, REAR-FAN1, REAR_FAN2, REAR_FAN3, REAR_FAN4) 2-26

7. Backplane SMBus connector (6-1 pin FPSMB) 2-26

8. USB connectors (10-1 pin USB34) 2-27

9. Serial port connector (10-1 pin COM2) 2-27

10. ATX power connectors (24-pin ATXPWR1, 8-pin ATX12V1) 2-28

11. Power supply SMBus connector (5-pin PSUSMB1) 2-29

12. Parallel port connector (26-1 pin LPT1) 2-29

13. System panel auxiliary connector (20-pin AUX_PANEL1) 2-30

14. System panel connector (20-pin PANEL1) 2-31

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2.3 Central Processing Unit (CPU)

2.3.12.3.1

2.3.1

2.3.12.3.1

OverviewOverview

Overview

OverviewOverview

The motherboard comes with dual surface mount 940-pin Zero Insertion Force (ZIF) sockets designed for AMD Opteron™ 64 processors.

The 128-bit-wide data paths of these processors can run applications faster than processors with only 32-bit or 64-bit wide data paths.

Take note of the notched corner on the CPU. This corner should match a specific corner on the socket to ensure correct installation.

Notched corner

2.3.22.3.2

2.3.2

2.3.22.3.2

Installing the CPUInstalling the CPU

Installing the CPU

Installing the CPUInstalling the CPU

To install a CPU:

1. Locate the CPU socket on the motherboard.

K8N-DRE

CPU1CPU2

K8N-DRE CPU Socket 940

• Before installing the CPU, make sure that the socket box is facing towards you and the load lever is on your left.

• If installing only one CPU, use the CPU socket marked CPU1.

CPU1CPU2

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2. Unlock the socket by pressing the lever sideways, then lift it up to a 90°-100° angle.

Socket LeverSocket Lever

Socket Lever

Socket LeverSocket Lever

Make sure that the socket lever is lifted up to 90°-100° angle, otherwise the CPU does not fit in completely.

3. Position the CPU above the socket such that the notched corner matches the socket corner with a triangle mark.

4. Carefully insert the CPU into the socket until it fits in place.

The CPU fits only in one correct orientation. DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU!

5. When the CPU is in place, push down the socket lever to secure the CPU. The lever clicks on the side tab to indicate that it is locked.

6. Repeat steps 1-5 to install a second processor in CPU 2 socket.

NotchedNotched

Notched

NotchedNotched cornercorner

corner

cornercorner

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2.3.32.3.3

2.3.3

2.3.32.3.3

The AMD Opteron™ 64 processors require a specially designed heatsink to ensure optimum thermal condition and performance.

Follow these steps to install the CPU heatsink.

1. Place the heatsink on top of the installed CPU, making sure that the screw holes are matched with the heatsink standoffs.

Installing the heatsinkInstalling the heatsink

Installing the heatsink

Installing the heatsinkInstalling the heatsink

Make sure that you use only qualified heatsink assembly.

2. Secure the heatsink with two screws.

Make sure that the heatsink is not skewed or tilted otherwise, the CPU will overheat.

3. If you installed a second processor, repeat steps 1-2 to install the second heatsink.

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2.4 System memory

2.4.12.4.1

2.4.1

2.4.12.4.1

OverviewOverview

Overview

OverviewOverview

The motherboard comes with eight 184-pin Double Data Rate (DDR) Dual Inline Memory Modules (DIMM) sockets.

The following figure illustrates the location of the sockets:

DIMM_D

K8N-DRE

80 Pins104 Pins

K8N-DRE 184-pin DDR DIMM sockets

For CPU 1For CPU 1

For CPU 1

For CPU 1For CPU 1

Sockets Sockets

Sockets

Sockets Sockets

DIMM_D1DIMM_C2DIMM_C

DIMM_A1DIMM_A2DIMM_B1DIMM_B

80 Pins 104 Pins

Channel A DIMM_A1 and DIMM_A2 Channel B DIMM_B1 and DIMM_B2

For CPU 2For CPU 2

For CPU 2

For CPU 2For CPU 2

Sockets Sockets

Sockets

Sockets Sockets

Channel A DIMM_C1 and DIMM_C2 Channel B DIMM_D1 and DIMM_D2

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2.4.22.4.2

2.4.2

2.4.22.4.2

Memory ConfigurationsMemory Configurations

Memory Configurations

Memory ConfigurationsMemory Configurations

You may install 256 MB, 512 MB, 1 GB, 2 GB, or 4 GB registered ECC DDR DIMMs into the DIMM sockets using the memory configurations in this section.

•

For dual-channel configuration, the total size of memory module(s) installed per channel must be the same for better performance. Single CPU:Single CPU:

Single CPU:

Single CPU:Single CPU: DIMM_A1=DIMM_A2=DIMM_B1=DIMM_B2 Dual CPU:Dual CPU:

Dual CPU:

Dual CPU:Dual CPU: DIMM_A1=DIMM_A2=DIMM_B1=DIMM_B2= DIMM_C1=DIMM_C2 =DIMM_D1=DIMM_D2

•

Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor.

• 4 GB DDR400 registered ECC DIMMs operate in 2000SER, 2003SER, or 64-bit operating systems.

Recommended memory configuration for CPU1Recommended memory configuration for CPU1

Recommended memory configuration for CPU1

Recommended memory configuration for CPU1Recommended memory configuration for CPU1

ModeMode

Mode

ModeMode

Single channel — populated — — Dual channel — populated — populated

Recommended memory configuration for CPU2Recommended memory configuration for CPU2

Recommended memory configuration for CPU2

Recommended memory configuration for CPU2Recommended memory configuration for CPU2

ModeMode

Mode

ModeMode

Single channel — populated — — Dual channel — populated — populated

DIMM_A1DIMM_A1

DIMM_A1

DIMM_A1DIMM_A1

populated populated populated populated

DIMM_C1DIMM_C1

DIMM_C1

DIMM_C1DIMM_C1

populated populated populated populated

DIMM_A2DIMM_A2

DIMM_A2

DIMM_A2DIMM_A2

DIMM_C2DIMM_C2

DIMM_C2

DIMM_C2DIMM_C2

DIMM_B1DIMM_B1

DIMM_B1

DIMM_B1DIMM_B1

DIMM_D1DIMM_D1

DIMM_D1

DIMM_D1DIMM_D1

DIMM_B2DIMM_B2

DIMM_B2

DIMM_B2DIMM_B2

DIMM_D2DIMM_D2

DIMM_D2

DIMM_D2DIMM_D2

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If you install a processor with Rev. CG or C0 with DDR 400 DIMMs, some memory configurations may not run at 400MHz. Refer to table below for details.

Mode Mode

Mode

Mode Mode

DIMM_A1/DIMM_A1/

DIMM_A1/

DIMM_A1/DIMM_A1/ DIMM_C1DIMM_C1

DIMM_C1

DIMM_C1DIMM_C1

DIMM_A2/DIMM_A2/

DIMM_A2/

DIMM_A2/DIMM_A2/ DIMM_C2DIMM_C2

DIMM_C2

DIMM_C2DIMM_C2

DIMM_B1/DIMM_B1/

DIMM_B1/

DIMM_B1/DIMM_B1/ DIMM_D1DIMM_D1

DIMM_D1

DIMM_D1DIMM_D1

DIMM_B2/DIMM_B2/

DIMM_B2/

DIMM_B2/DIMM_B2/ DIMM_D2DIMM_D2

DIMM_D2

DIMM_D2DIMM_D2

MaxMax

Max

MaxMax SpeedSpeed

Speed

SpeedSpeed

Single Single rank — — — DDR400 channel Double rank — — — DDR400 (72 bits) — Single rank — — DDR400

— Double rank — — DDR400 Single rank Single rank — — DDR400 Single rank Double rank — — DDR400

Double rank Single rank — — DDR400

Double rank Double rank — — DDR333 Dual Single rank — Single rank — DDR400 channel Double rank — Double rank — DDR400 (144 bits) — Single rank — Single rank DDR400

— Double rank — Double rank DDR400 Single rank Single rank Single rank Single rank DDR400 Single rank Double rank Single rank Double rank DDR400

Double rank Single rank Double rank Single rank DDR400 Double rank Double rank Double rank Double rank DDR333

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2.4.32.4.3

2.4.3

2.4.32.4.3

Installing a DIMMInstalling a DIMM

Installing a DIMM

Installing a DIMMInstalling a DIMM

Make sure to unplug the power supply before adding or removing DIMMs or other system components. Failure to do so may cause severe damage to both the motherboard and the components.

1. Unlock a DIMM socket by pressing the retaining clips outward.

2. Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket.

DDR DIMM notchDDR DIMM notch

DDR DIMM notch

DDR DIMM notchDDR DIMM notch

Unlocked retaining clipUnlocked retaining clip

Unlocked retaining clip

Unlocked retaining clipUnlocked retaining clip

A DDR DIMM is keyed with a notch so that it fits in only one direction. DO NOT force a DIMM into a socket to avoid damaging the DIMM.

3. Firmly insert the DIMM into the socket until the retaining clips snap back in place and the DIMM is properly seated.

Locked Retaining ClipLocked Retaining Clip

Locked Retaining Clip

Locked Retaining ClipLocked Retaining Clip

2.4.42.4.4

2.4.4

2.4.42.4.4

Removing a DIMMRemoving a DIMM

Removing a DIMM

Removing a DIMMRemoving a DIMM

Follow these steps to remove a DIMM.

1. Simultaneously press the retaining clips outward to unlock the DIMM.

Support the DIMM lightly with your fingers when pressing the retaining clips. The DIMM might get damaged when it flips out with extra force.

2. Remove the DIMM from the socket.

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DDR DIMM notchDDR DIMM notch

DDR DIMM notch

DDR DIMM notchDDR DIMM notch

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2.5 Expansion slots

In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support.

Make sure to unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components.

2.5.12.5.1

2.5.1

2.5.12.5.1

To install an expansion card:

1. Before installing the expansion card, read the documentation that came with it and make the necessary hardware settings for the card.

2. Remove the system unit cover (if your motherboard is already installed in a chassis).

3. Remove the bracket opposite the slot that you intend to use. Keep the screw for later use.

4. Align the riser card connector with the slot and press firmly until the riser card is completely seated on the slot.

5. Align the card connector with the slot on the riser card and press firmly until the card is completely seated on the riser card slot.

6. Secure the card to the chassis with the screw you removed earlier.

7. Replace the system cover.

2.5.22.5.2

2.5.2

2.5.22.5.2

Installing an expansion cardInstalling an expansion card

Installing an expansion card

Installing an expansion cardInstalling an expansion card

Configuring an expansion cardConfiguring an expansion card

Configuring an expansion card

Configuring an expansion cardConfiguring an expansion card

After installing the expansion card, configure it by adjusting the software settings.

1. Turn on the system and change the necessary BIOS settings, if any. See Chapter 4 for information on BIOS setup.

2. Assign an IRQ to the card. Refer to the tables on the next page.

3. Install the software drivers for the expansion card.

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2.5.32.5.3

2.5.3

2.5.32.5.3

Standard interrupt assignmentsStandard interrupt assignments

Standard interrupt assignments

Standard interrupt assignmentsStandard interrupt assignments

Interrupt assignmentsInterrupt assignments

Interrupt assignments

Interrupt assignmentsInterrupt assignments

IRQIRQ

IRQ

IRQIRQ

0 1 System Timer 1 2 Keyboard Controller 2 – Programmable interrupt 4 12 Communications Port (COM1)* 5 13 IRQ holder for PCI steering* 6 14 Floppy Disk Controller 7 15 Printer Port (LPT1)* 8 3 System CMOS/Real Time Clock 9 4 IRQ holder for PCI steering* 10 5 IRQ holder for PCI steering* 11 6 IRQ holder for PCI steering* 12 7 PS/2 Compatible Mouse Port* 13 8 Numeric Data Processor 14 9 Primary IDE Channel 15 10 Secondary IDE Channel

PriorityPriority

Priority

PriorityPriority

Standard FunctionStandard Function

Standard Function

Standard FunctionStandard Function

* These IRQs are usually available for ISA or PCI devices.

2.5.42.5.4

2.5.4

2.5.42.5.4

PCI Express x16PCI Express x16

PCI Express x16

PCI Express x16PCI Express x16

This motherboard comes with one PCI Express x16 graphics slot that complies with the PCI Express specifications. If your chassis supports a PCI Express riser card, install the riser card to support two PCI Express x8 cards. The figure shows a PCI Express riser card installed on the PCI Express x16 slot.

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2.6 Jumpers

1.1.

Clear RTC RAM (CLRTC1)Clear RTC RAM (CLRTC1)

Clear RTC RAM (CLRTC1)

1.1.

Clear RTC RAM (CLRTC1)Clear RTC RAM (CLRTC1) This jumper allows you to clear the Real Time Clock (RTC) RAM in

CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords.

To erase the RTC RAM:

1. Turn OFF the computer and unplug the power cord.

2. Remove the onboard battery.

3. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the

cap on pins 2-3 for about 5~10 seconds, then move the cap back to pins 1-2.

4. Re-install the battery.

5. Plug the power cord and turn ON the computer.

6. Hold down the <Del> key during the boot process and enter BIOS

setup to re-enter data.

Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot failure!

K8N-DRE

CLRTC1

1 2

Normal (Default)

2 3

Clear CMOS

K8N-DRE Clear RTC RAM

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2.2.

)

Keyboard power (3-pin KBPWR1)Keyboard power (3-pin KBPWR1)

Keyboard power (3-pin KBPWR1)

2.2.

Keyboard power (3-pin KBPWR1)Keyboard power (3-pin KBPWR1) This jumper allows you to enable or disable the keyboard wake-up

feature. Set this jumper to pins 1-2 (+5VSB) to wake up the computer when you press a key on the keyboard (the default is the Space Bar). This feature requires an ATX power supply that can supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS.

KBPWR1

K8N-DRE

K8N-DRE Keyboard power setting

1 2

2 3

+5V+5VSB

(Default

3.3.

Gigabit LAN1 controller setting (3-pin LAN1_EN1)Gigabit LAN1 controller setting (3-pin LAN1_EN1)

Gigabit LAN1 controller setting (3-pin LAN1_EN1)

3.3.

Gigabit LAN1 controller setting (3-pin LAN1_EN1)Gigabit LAN1 controller setting (3-pin LAN1_EN1) This jumper allows you to enable or disable the onboard Broadcom

BCM5721 Gigabit LAN1 controller. Set to pins 1-2 to activate the Gigabit LAN feature.

K8N-DRE

K8N-DRE LAN1_EN1 setting

LAN1_EN1

1 2

Enable (Default)

2 3

Disabl

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4.4.

Gigabit LAN2 controller setting (3-pin LAN2_EN1)Gigabit LAN2 controller setting (3-pin LAN2_EN1)

Gigabit LAN2 controller setting (3-pin LAN2_EN1)

4.4.

Gigabit LAN2 controller setting (3-pin LAN2_EN1)Gigabit LAN2 controller setting (3-pin LAN2_EN1) This jumper allows you to enable or disable the onboard Broadcom

BCM5721 Gigabit LAN2 controller. Set to pins 1-2 to activate the Gigabit LAN feature.

K8N-DRE

LAN2_EN1

1 2

Enable (Default)

2 3

Disabl

K8N-DRE LAN2_EN1 setting

5.5.

SCSI controller setting (3-pin SCSI_EN1)SCSI controller setting (3-pin SCSI_EN1)

SCSI controller setting (3-pin SCSI_EN1)

5.5.

SCSI controller setting (3-pin SCSI_EN1)SCSI controller setting (3-pin SCSI_EN1) These jumpers allow you to enable or disable the onboard LSI 1020A

SCSI controller. Set to pins 1-2 to activate the SCSI feature.

K8N-DRE

K8N-DRE SCSI_EN setting

SCSI_EN1

1 2

Enable (Default)

2 3

Disabl

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6.6.

BIOS Recovery (3-pin RECOVERY1)BIOS Recovery (3-pin RECOVERY1)

BIOS Recovery (3-pin RECOVERY1)

6.6.

BIOS Recovery (3-pin RECOVERY1)BIOS Recovery (3-pin RECOVERY1)

This jumper allows you to recover your original BIOS from a floppy disk in case the BIOS codes and data are corrupted.

To recover the BIOS:

1.Turn OFF your computer and unplug the power cord.

2.Move the jumper cap from pins 1-2 (default) to pins 2-3.

3.Insert a floppy disk with the original or updated BIOS file.

4.Plug the power cord and turn ON the computer.

5.The system searches for the BIOS file in the floppy then reflashes the BIOS.

6.When finished, shut down your computer.

7.Replace the jumper cap from pins 2-3 to pins 1-2.

8.Reboot your computer.

9.Hold down the <Del> key during the boot process and enter BIOS setup to re-enter data.

RECOVERY1

K8N-DRE

1 2

Normal BIOS recover

(Default)

2 3

K8N-DRE BIOS recovery setting

7.7.

VGA Graphics controller setting (3-pin VGA_EN1)VGA Graphics controller setting (3-pin VGA_EN1)

VGA Graphics controller setting (3-pin VGA_EN1)

7.7.

VGA Graphics controller setting (3-pin VGA_EN1)VGA Graphics controller setting (3-pin VGA_EN1) These jumpers allow you to enable or disable the onboard ATI Rage XL

video graphics controller. Set to pins 1-2 to enable the video graphics controller.

K8N-DRE

VGA_EN1

1 2

Enable (Default)

2 3

Disable

K8N-DRE VGA setting

ASUS K8N-DREASUS K8N-DRE

ASUS K8N-DRE

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2.7 Connectors

2.7.12.7.1

2.7.1

2.7.12.7.1

Rear panel connectorsRear panel connectors

Rear panel connectors

Rear panel connectorsRear panel connectors

2 54 6 73

1.1.

PS/2 mouse port (green).PS/2 mouse port (green).

PS/2 mouse port (green). This port is for a PS/2 mouse.

1.1.

PS/2 mouse port (green).PS/2 mouse port (green).

2.2.

PS/2 keyboard port (purple).PS/2 keyboard port (purple).

PS/2 keyboard port (purple). This port is for a PS/2 keyboard.

2.2.

PS/2 keyboard port (purple).PS/2 keyboard port (purple).

USB 2.0 ports 1 and 2.USB 2.0 ports 1 and 2.

USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus

USB 2.0 ports 1 and 2.USB 2.0 ports 1 and 2. (USB) ports are available for connecting USB 2.0 devices.

4.4.

Serial (COM 1) port.Serial (COM 1) port.

Serial (COM 1) port. This 9-pin communication port os for

4.4.

Serial (COM 1) port.Serial (COM 1) port. pointing devices or other serial devices.

5.5.

Video port.Video port.

Video port. This port is for a VGA monitor or other VGA-compatible

5.5.

Video port.Video port. devices.

6.6.

LAN1 (RJ-45) port.LAN1 (RJ-45) port.

LAN1 (RJ-45) port. Supported by the BROADCOM

6.6.

LAN1 (RJ-45) port.LAN1 (RJ-45) port.

BCM5721 Gigabit LAN controller, this port allows Gigabit connection to a Local Area Network (LAN) through a network hub. Refer to the table below for the LAN port LED indications.

7.7.

LAN2 (RJ-45) port.LAN2 (RJ-45) port.

LAN2 (RJ-45) port. Supported by the BROADCOM

7.7.

LAN2 (RJ-45) port.LAN2 (RJ-45) port.

BCM5721 Gigabit LAN controller, this port allows Gigabit connection to a Local Area Network (LAN) through a network hub. Refer to the table below for the LAN port LED indications.

LAN port LED indicationsLAN port LED indications

LAN port LED indications

LAN port LED indicationsLAN port LED indications

ACT/LINK LED ACT/LINK LED

ACT/LINK LED

ACT/LINK LED ACT/LINK LED

StatusStatus

Status

StatusStatus

OFF No link OFF 10 Mbps connection GREEN Linked ORANGE 100 Mbps connection BLINKING Data activity GREEN 1 Gbps connection

DescriptionDescription

Description

DescriptionDescription

SPEED LED SPEED LED

SPEED LED

SPEED LED SPEED LED

StatusStatus

Status

StatusStatus

DescriptionDescription

Description

DescriptionDescription

ACT/LINK

SPEED

LED

LAN port

LED

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2.7.22.7.2

2.7.2

2.7.22.7.2

1.1.

Floppy disk drive connector (34-1 pin FLOPPY1)Floppy disk drive connector (34-1 pin FLOPPY1)

Floppy disk drive connector (34-1 pin FLOPPY1)

1.1.

Floppy disk drive connector (34-1 pin FLOPPY1)Floppy disk drive connector (34-1 pin FLOPPY1)

Internal connectorsInternal connectors

Internal connectors

Internal connectorsInternal connectors

This connector is for the provided floppy disk drive (FDD) signal cable. Insert one end of the cable to this connector, then connect the other end to the signal connector at the back of the floppy disk drive.

K8N-DRE

FLOPPY1

NOTE: Orient the red markings o the floppy ribbon cable to PIN 1.

K8N-DRE Floppy disk drive connector

2.2.

IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1)IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1)

IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1)

2.2.

IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1)IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1) These connectors are for Ultra DMA 133/100/66 signal cables. The

Ultra DMA 133/100/66 signal cable has three connectors: a blue connector for the primary IDE connector on the motherboard, a black connector for an Ultra DMA 133/100/66 IDE slave device (optical drive/hard disk drive), and a gray connector for an Ultra DMA 133/ 100/66 IDE master device (hard disk drive). If you install two hard disk drives to the same cable, you must configure the second drive as a slave device by setting its jumper accordingly. Refer to the hard disk documentation for the jumper settings.

• The Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA cable connector. This prevents incorrect insertion when you connect the IDE cable.

• Use the 80-conductor IDE cable for Ultra DMA133/100/66 IDE devices.

K8N-DRE

NOTE: Orient the red marking (usually zigzag) on the IDE ribbon cable to PIN 1.

SEC_IDE1

PRI_IDE1

K8N-DRE IDE connectors

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3.3.

Serial ATA connectorsSerial ATA connectors

Serial ATA connectors

3.3.

Serial ATA connectorsSerial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4)(7-pin SATA1, SATA2, SATA3, SATA4)

(7-pin SATA1, SATA2, SATA3, SATA4)

(7-pin SATA1, SATA2, SATA3, SATA4)(7-pin SATA1, SATA2, SATA3, SATA4)

Supported by the NVIDIA

nForce4™ chipset, these connectors are for the Serial ATA signal cables for Serial ATA hard disk drives that allows up to 3Gb/s of data transfer rate.

If you installed Serial ATA hard disk drives, you can create a RAID 0, RAID 1, RAID 1+0, or JBOD configuration.

SATA2

GND

RSATA_TXP2

RSATA_TXN2

RSATA_RXP2

GND

RSATA_TXP1

RSATA_TXN1

RSATA_TXP4

RSATA_TXN4

RSATA_TXP3

RSATA_TXN3

GND

RSATA_RXN2

RSATA_RXP1

RSATA_RXN1

RSATA_RXP4

RSATA_RXN4

RSATA_RXP3

RSATA_RXN3

GND

K8N-DRE

SATA1

SATA4

SATA3

K8N-DRE SATA connectors

Important notes on Serial ATAImportant notes on Serial ATA

Important notes on Serial ATA

Important notes on Serial ATAImportant notes on Serial ATA

The actual data transfer rate depends on the speed of Serial ATA hard disks installed.

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4.4.

SCSI connector (68-pin SCSI1) SCSI connector (68-pin SCSI1)

SCSI connector (68-pin SCSI1) (for SCSI model only)

4.4.

SCSI connector (68-pin SCSI1) SCSI connector (68-pin SCSI1) This 68-pin Ultra160/320 SCSI connector supports a maximum of 15

devices as specified by the Ultra160/320 standards.

K8N-DRE

K8N-DRE Onboard SCSI connector

68 34

SCSI1

68-Pin Ultra320/ Ultra2-Wide SCSI Connecto

The onboard SCSI chipset incorporates an advanced multi-mode I/O cell that supports both single-ended (SE), Ultra2, and Ultra160/320 devices. With Ultra160/320 devices, the SCSI bus platform performs at full Ultra160/320 speeds (up to 160MB/s or 320MB/s) and extended cabling of 12m (or 25m in a point-to-point configuration). When an SE device is attached, the bus defaults to an SE speed and 1.5m cable length.

5.5.

Storage add-on card activity LED connectorStorage add-on card activity LED connector

Storage add-on card activity LED connector

5.5.

Storage add-on card activity LED connectorStorage add-on card activity LED connector (4-pin HDLED1)(4-pin HDLED1)

(4-pin HDLED1)

(4-pin HDLED1)(4-pin HDLED1) This connector is for the storage add-on card cable connected to the

SCSI or SATA add-on card. The read or write activities of any device connected to the SCSI or SATA add-on card causes the front panel LED to light up.

K8N-DRE

HDLED

NC ADD_IN_CARD_ACT# ADD_IN_CARD_ACT#

K8N-DRE Hard disk activity LED connector

ASUS K8N-DREASUS K8N-DRE

ASUS K8N-DRE

ASUS K8N-DREASUS K8N-DRE

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6.6.

Front and rear fan connectors (3-pin FRNT_FAN1,Front and rear fan connectors (3-pin FRNT_FAN1,

Front and rear fan connectors (3-pin FRNT_FAN1,

6.6.

Front and rear fan connectors (3-pin FRNT_FAN1,Front and rear fan connectors (3-pin FRNT_FAN1, FRNT_FAN2, FRNT_FAN3, FRNT_FAN4, FRNT_FAN5,FRNT_FAN2, FRNT_FAN3, FRNT_FAN4, FRNT_FAN5,

FRNT_FAN2, FRNT_FAN3, FRNT_FAN4, FRNT_FAN5,

FRNT_FAN2, FRNT_FAN3, FRNT_FAN4, FRNT_FAN5,FRNT_FAN2, FRNT_FAN3, FRNT_FAN4, FRNT_FAN5, FRNT_FAN6, REAR_FAN1, REAR_FAN2, REAR_FAN3,FRNT_FAN6, REAR_FAN1, REAR_FAN2, REAR_FAN3,

FRNT_FAN6, REAR_FAN1, REAR_FAN2, REAR_FAN3,

FRNT_FAN6, REAR_FAN1, REAR_FAN2, REAR_FAN3,FRNT_FAN6, REAR_FAN1, REAR_FAN2, REAR_FAN3, REAR_FAN4)REAR_FAN4)

REAR_FAN4)

REAR_FAN4)REAR_FAN4) The fan connectors support cooling fans of 350mA~2000mA (24 W

max.) or a total of 1A~3.48A (41.76 W max.) at +12V. Connect the fan cables to the fan connectors on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector.

• Do not forget to connect the fan cables to the fan connectors. Lack of sufficient air flow inside the system may damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors!

• All fan features the ASUS Smart Fan technology.

REAR_FAN1

Rotation

K8N-DRE

K8N-DRE Fan connectors

7.7.

Backplane SMBus connector (6-1 pin FPSMB)Backplane SMBus connector (6-1 pin FPSMB)

Backplane SMBus connector (6-1 pin FPSMB)

7.7.

Backplane SMBus connector (6-1 pin FPSMB)Backplane SMBus connector (6-1 pin FPSMB)

+12V

GND

FRNT_FAN2

Rotation

+12V

GND

FRNT_FAN1

Rotation

+12V

GND

REAR_FAN2

Rotation

+12V

GND

REAR_FAN3

Rotation

+12V

GND

REAR_FAN3

REAR_FAN4

Rotation

+12V

GND

Rotation

+12V

GND

REAR_FAN

Rotation

+12V

GND

REAR_FAN

Rotation

+12V

GND

FRNT_FAN

Rotation

+12V

GND

This connector allows you to connect SMBus (System Management Bus) devices. Devices communicate with an SMBus host and /or other SMBus devices using the SMBus interface.

K8N-DRE

FPSMB

FAN_PWM

I2C_CLK#

K8N-DRE SMBus connector

2-262-26

2-26

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I2C_DATA#

+5VSB

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Chapter 2: Hardware informationChapter 2: Hardware information

GND

Page 47

8.8.

USB connector (10-1 pin USB34)USB connector (10-1 pin USB34)

USB connector (10-1 pin USB34)

8.8.

USB connector (10-1 pin USB34)USB connector (10-1 pin USB34)

This connector is for USB 2.0 ports. This connector complies with the USB 2.0 specification that supports up to 480 Mbps connection speed.

K8N-DRE

USB34

USB+5V

USB_P3-

USB_P3+

GND

K8N-DRE USB 2.0 connector

9.9.

Serial port connector (10-1 pin COM2)Serial port connector (10-1 pin COM2)

Serial port connector (10-1 pin COM2)

9.9.

Serial port connector (10-1 pin COM2)Serial port connector (10-1 pin COM2)

USB+5V USB_P4 USB_P4 GND NC

This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis.

COM

K8N-DRE

K8N-DRE Serial port2 (COM2) connecto

PIN 1

ASUS K8N-DREASUS K8N-DRE

ASUS K8N-DRE

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10.10.

ATXPWR1

ATX power connectors (24-pin ATXPWR1,ATX power connectors (24-pin ATXPWR1,

10.

ATX power connectors (24-pin ATXPWR1,

10.10.

ATX power connectors (24-pin ATXPWR1,ATX power connectors (24-pin ATXPWR1, 8-pin ATX12V1)8-pin ATX12V1)

8-pin ATX12V1)

8-pin ATX12V1)8-pin ATX12V1) These connectors are for an ATX power supply plugs. The power

supply plugs are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.

•

Do not forget to connect the 8-pin ATX +12 V power plug; otherwise, the system will not boot.

• Use of a PSU with a higher power output is recommended when configuring a system with more power-consuming devices. The system may become unstable or may not boot up if the power is inadequate.

• Make sure that your power supply unit (PSU) can provide at least the minimum power required by your system. See the table below for details.

K8N-DRE

K8N-DRE ATX Power connectors

24-pin Power Connector

+3 Volts

-12 Volts Ground PSON# Ground Ground Ground

-5 Volts

+5 Volts +5 Volts +5 Volts

Ground

+3 Volts +3 Volts Ground +5 Volts Ground +5 Volts Ground Power OK +5V Standby +12 Volts

+12 Volts +3 Volts

ATX12V1

8-pin

GND12V GND12V GND12V GND12V

For Power Suppl

with 20-pin

Power Connecto

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11.11.

Power Supply SMBus connector (5-pin PSUSMB1)Power Supply SMBus connector (5-pin PSUSMB1)

11.

Power Supply SMBus connector (5-pin PSUSMB1)

11.11.

Power Supply SMBus connector (5-pin PSUSMB1)Power Supply SMBus connector (5-pin PSUSMB1) This connector allows you to connect SMBus (System Management

Bus) devices to the power supply unit. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface.

K8N-DRE

PSUSMB1

PSU_I2CCLK PSU_I2CDATA NC GND +3.3V Remote Sens

K8N-DRE Power supply SMBus connector

12.12.

Parallel port connector (26-1 pin LPT1)Parallel port connector (26-1 pin LPT1)

12.

Parallel port connector (26-1 pin LPT1)

12.12.

Parallel port connector (26-1 pin LPT1)Parallel port connector (26-1 pin LPT1) This connector is for a parallel port. Connect the parallel port module

cable to this connector, then install the module to a slot opening at the back of the system chassis.

LPT1

Pin 1

K8N-DRE

STB# AFD# SPD0 ERROR SPD1 PINIT# SPD2 SLIN# SPD3 SPD4 SPD5 SPD6 SPD7 ACK# BUSY

SLCT

GND GND GND GND GND GND GND GND

K8N-DRE Parallel port connector

ASUS K8N-DREASUS K8N-DRE

ASUS K8N-DRE

ASUS K8N-DREASUS K8N-DRE

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13.13.

System panel auxiliary connector (20-pin AUX_PANEL1)System panel auxiliary connector (20-pin AUX_PANEL1)

13.

System panel auxiliary connector (20-pin AUX_PANEL1)

13.13.

System panel auxiliary connector (20-pin AUX_PANEL1)System panel auxiliary connector (20-pin AUX_PANEL1)

This connector supports several server system functions.

K8N-DRE

AUX_PANEL1

+5VSB

CASEOPEN

LOCATORBTN#

LOCATORLED2-

K8N-DRE Auxiliary panel connector

Chassis Intrusion connector (3-pin CASEOPEN)Chassis Intrusion connector (3-pin CASEOPEN)

•

Chassis Intrusion connector (3-pin CASEOPEN)

Chassis Intrusion connector (3-pin CASEOPEN)Chassis Intrusion connector (3-pin CASEOPEN)

LOCATORLED2+

GND

NC I2CCLK_P2

GNDGND I2CDATA_P2LOCATORLED1+ +5VSBLOCATORLED1LAN1_LINKACTLED LAN1_LINKACTLED LAN2_LINKACTLED LAN2_LINKACTLED

This lead is for a chassis with an intrusion detection feature. This requires an external detection mechanism such as a chassis intrusion sensor or microswitch. When you remove any chassis component, the sensor triggers and sends a high-level signal to this lead to record a chassis intrusion event.

LAN1 link activity LED (2-pin LAN1_LINKACTLED)LAN1 link activity LED (2-pin LAN1_LINKACTLED)

•

LAN1 link activity LED (2-pin LAN1_LINKACTLED)

LAN1 link activity LED (2-pin LAN1_LINKACTLED)LAN1 link activity LED (2-pin LAN1_LINKACTLED) This 2-pin connector is for the LAN1 Activity LED. Connect the LAN1 Activity LED cable to this connector. This LED blinks during a network activity and is always lit when linked.

LAN2 link activity LED (2-pin LAN2_LINKACTLED)LAN2 link activity LED (2-pin LAN2_LINKACTLED)

•

LAN2 link activity LED (2-pin LAN2_LINKACTLED)

LAN2 link activity LED (2-pin LAN2_LINKACTLED)LAN2 link activity LED (2-pin LAN2_LINKACTLED) This 2-pin connector is for the LAN2 Activity LED. Connect the LAN2 Activity LED cable to this connector. This LED blinks during a network activity and lights up when linked.

Locator LED 1 (2-pin LOCATORLED1)Locator LED 1 (2-pin LOCATORLED1)

•

Locator LED 1 (2-pin LOCATORLED1)

Locator LED 1 (2-pin LOCATORLED1)Locator LED 1 (2-pin LOCATORLED1) This 2-pin connector is for the Locator LED 1. Connect the Locator LED 1 cable to this connector. This LED lights up when the Locator button is pressed.

Locator LED 2 (2-pin LOCATORLED2)Locator LED 2 (2-pin LOCATORLED2)

•

Locator LED 2 (2-pin LOCATORLED2)

Locator LED 2 (2-pin LOCATORLED2)Locator LED 2 (2-pin LOCATORLED2) This 2-pin connector is for the Locator LED 2. Connect the Locator LED 2 cable to this connector.

Locator Button/Switch (2-pin LOCATORBTN)Locator Button/Switch (2-pin LOCATORBTN)

•

Locator Button/Switch (2-pin LOCATORBTN)

Locator Button/Switch (2-pin LOCATORBTN)Locator Button/Switch (2-pin LOCATORBTN) This connector is for the locator button. This button queries the state of the system locator.

Front Panel SMBus (6-1 pin)Front Panel SMBus (6-1 pin)

•

Front Panel SMBus (6-1 pin)

Front Panel SMBus (6-1 pin)Front Panel SMBus (6-1 pin) This connector allows you to connect SMBus (System Management Bus) devices to the system front panel. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface.

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14.14.

System panel connector (20-pin PANEL1)System panel connector (20-pin PANEL1)

14.

System panel connector (20-pin PANEL1)

14.14.

System panel connector (20-pin PANEL1)System panel connector (20-pin PANEL1)

This connector supports several chassis-mounted functions.

K8N-DRE

PANEL1

HDLED+

K8N-DRE System panel connector

The system panel connector is color-coded for easy connection. Refer to the connector description below for details.

POWERLED GNDHDLEDPOWERLED MLED+NMIBTN# MLED-GND NCPOWERBTN# +5VGND GNDNC GNDRESETBTN# SPKROUTGND

System power LED (Green 3-pin POWERLED)System power LED (Green 3-pin POWERLED)

•

System power LED (Green 3-pin POWERLED)

System power LED (Green 3-pin POWERLED)System power LED (Green 3-pin POWERLED) This 3-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode.

Hard disk drive activity (Red 2-pin HDDLED)Hard disk drive activity (Red 2-pin HDDLED)

•

Hard disk drive activity (Red 2-pin HDDLED)

Hard disk drive activity (Red 2-pin HDDLED)Hard disk drive activity (Red 2-pin HDDLED) This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The IDE LED lights up or flashes when data is read from or written to the HDD. If an optional SCSI or SATA add-in card is installed, the read or write activities of any device connected to the SCSI or SATA add-in card causes this LED to light up.

System warning speaker (Orange 4-pin SPKROUT)System warning speaker (Orange 4-pin SPKROUT)

•

System warning speaker (Orange 4-pin SPKROUT)

System warning speaker (Orange 4-pin SPKROUT)System warning speaker (Orange 4-pin SPKROUT) This 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings.

Power/Soft-off button (Yellow 2-pin POWERBTN)Power/Soft-off button (Yellow 2-pin POWERBTN)

•

Power/Soft-off button (Yellow 2-pin POWERBTN)

Power/Soft-off button (Yellow 2-pin POWERBTN)Power/Soft-off button (Yellow 2-pin POWERBTN) This connector is for the system power button. Pressing the power button turns the system ON or puts the system in SLEEP or SOFT-OFF mode depending on the BIOS settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF.

Reset button (Blue 2-pin RESETBTN)Reset button (Blue 2-pin RESETBTN)

•

Reset button (Blue 2-pin RESETBTN)

Reset button (Blue 2-pin RESETBTN)Reset button (Blue 2-pin RESETBTN) This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power.

ASUS K8N-DREASUS K8N-DRE

ASUS K8N-DRE

ASUS K8N-DREASUS K8N-DRE

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Chapter 2: Hardware informationChapter 2: Hardware information

Page 53

This chapter describes the power up sequence, the POST messages, and ways of shutting down the system.

Powering up

Page 54

Chapter summary

3.1 Starting up for the first time ................................................ 3-1

3.2 Powering off the computer .................................................. 3-2

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3.1 Starting up for the first time

1. After making all the connections, replace the system case cover.

2. Be sure that all switches are off.

3. Connect the power cord to the power connector at the back of the system chassis.

4. Connect the power cord to a power outlet that is equipped with a surge protector.

5. Turn on the devices in the following order: a. Monitor b. External SCSI devices (starting with the last device on the chain) c. System power

6. After applying power, the system power LED on the system front panel case lights up. For systems with ATX power supplies, the system LED lights up when you press the ATX power button. If your monitor complies with “green” standards or if it has a “power standby” feature, the monitor LED may light up or switch between orange and green after the system LED turns on.

The system then runs the power-on self tests or POST. While the tests are running, the BIOS beeps or additional messages appear on the screen. If you do not see anything within 30 seconds from the time you turned on the power, the system may have failed a power-on test. Check the jumper settings and connections or call your retailer for assistance.

7. At power on, hold down the <Del> key to enter the BIOS Setup. Follow the instructions in Chapter 4.

ASUS K8N-DREASUS K8N-DRE

ASUS K8N-DRE

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3-1

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3.2 Powering off the computer

3.2.13.2.1

3.2.1

3.2.13.2.1

If you are using Windows® 2000/2003 Server:

1. Click the

2. Select to do?to do?

t o d o ? list box.

to do?to do?

3. Select

4. Make sure that the

5. Select shutdown option from the list box.

6. If necessary, key in comments.

7. Click

3.2.23.2.2

3.2.2

3.2.23.2.2

While the system is ON, pressing the power switch for less than four seconds puts the system to sleep mode or to soft-off mode, depending on the BIOS setting. Pressing the power switch for more than four seconds lets the system enter the soft-off mode regardless of the BIOS setting. Refer to section “4.5 Power Menu” in Chapter 4 for details.

Using the OS shut down functionUsing the OS shut down function

Using the OS shut down function

Using the OS shut down functionUsing the OS shut down function

Start Start

Start button then click

Start Start

Shut DownShut Down

Shut Down from the

Shut DownShut Down

Shutdown Event TrackerShutdown Event Tracker

Shutdown Event Tracker.

Shutdown Event TrackerShutdown Event Tracker

Planned Planned

Planned check box is checked.

Planned Planned

OKOK

OK.

OKOK

Using the dual function power switchUsing the dual function power switch

Using the dual function power switch

Using the dual function power switchUsing the dual function power switch

Shut Down...Shut Down...

Shut Down...

Shut Down...Shut Down...

What do you want the computerWhat do you want the computer

What do you want the computer

What do you want the computerWhat do you want the computer

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Chapter 3: Powering upChapter 3: Powering up

Chapter 3: Powering up

Chapter 3: Powering upChapter 3: Powering up

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This chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.

BIOS setup

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