Motherboard P5K/EPU
xConventions used in this guideTo make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual.Ty
4-36 Chapter 4: BIOS setup4.7.2 ASUS Ai Net 2v02.61 (C)Copyright 1985-2007, American Megatrends, Inc.BIOS SETUP UTILITY ToolsCheck LAN c
ASUS P5K/EPU4-374.8 Exit menuPressing <Esc> does not immediately exit this menu. Select one of the options from this menu or <F10> from t
4-38 Chapter 4: BIOS setup
5Software supportThis chapter describes the contents of the support DVD that comes with the motherboard package and the softwares.
ASUS P5K/EPUChapter summary55.1 Installing an operating system ... 5-15.2 Support DVD information ..
ASUS P5K/EPU5-1If Autorun is NOT enabled in your computer, browse the contents of the support DVD to locate the le ASSETUP.EXE from the BIN folder. D
5-2 Chapter 5: Software support5.2.2 Drivers menuThe Drivers menu shows the available device drivers if the system detects installed devices. Install
ASUS P5K/EPU5-35.2.3 Utilities menuThe Utilities menu shows the applications and other software that the motherboard supports. ASUS InstAll-Installat
5-4 Chapter 5: Software supportASUS Update The ASUS Update utility allows you to update the motherboard BIOS in Windows® environment. This utility req
ASUS P5K/EPU5-55.2.6 ASUS Contact informationClick the Contact tab to display the ASUS contact information. You can also nd this information on the
xiP5K/EPU specications summaryCPU LGA775 socket for Intel® Core™2 Quad / Core™2 Extreme / Core™2 Duo / Pentium® Extreme / Pentium® D / Pentium®
5-6 Chapter 5: Software supportBrowse this DVDDisplays the support DVD contents in graphical format.5.2.7 Other informationThe icons on the top right
ASUS P5K/EPU5-7Technical support FormDisplays the ASUS Technical Support Request Form that you have to ll out when requesting technical support.Filel
5-8 Chapter 5: Software support5.3 Software informationMost of the applications in the support DVD have wizards that will conveniently guide you thro
ASUS P5K/EPU 5-99. When the screen returns to the ASUS Update utility, ash the original BIOS to load the new boot logo.10. After ashing the BIOS,
5-10 Chapter 5: Software support3. Click the Run button to perform a cable test.5.3.2 AI NET2The AI NET2 features the Marvell® Virtual Cable Tester™
ASUS P5K/EPU 5-115.3.3 ASUS PC Probe IIPC Probe II is a utility that monitors the computer’s vital components, and detects and alerts you of any prob
5-12 Chapter 5: Software supportSensor alertWhen a system sensor detects a problem, the main window right handle turns red, as the illustrations below
ASUS P5K/EPU 5-13Changing the monitor panels positionTo change the position of the monitor panels in the desktop, click the arrow down button of the S
5-14 Chapter 5: Software supportMonitoring sensor alertThe monitor panel turns red when a component value exceeds or is lower than the threshold value
ASUS P5K/EPU 5-15PCI browserClick to display the PCI (Peripheral Component Interconnect) browser. This browser provides information on the PCI devic
xiiP5K/EPU specications summaryIEEE 1394VIA® VT6308P controller supports 2 x IEEE 1394a ports (one at midboard; one at back panel)USB12 x USB 2.0 por
5-16 Chapter 5: Software supportMemory usageThe Memory tab shows both used and available physical memory. The pie chart at the bottom of the window re
ASUS P5K/EPU5-175.3.4 ASUS AI SuiteASUS AI Suite allows you to launch AI Gear 3+, AI Booster, AI Nap, and Q-Fan 2 utilities easily. Install the ASUS
5-18 Chapter 5: Software supportOther feature buttonsClick on right corner of the main window to open the monitor window. Click on right corner of
ASUS P5K/EPU5-19Auto ModeCalibrationTurbo ModeHigh Performance ModeMedium Power Saving ModeMax. Power Saving ModeSettings5.3.5 ASUS EPU Utility—AI G
5-20 Chapter 5: Software supportEnergy Saving StatusDisplays the current CPU Displays the time/date the calculator starts countingD i s p l a y s t
ASUS P5K/EPU5-215.3.6 ASUS AI NapThis feature allows you to minimize the power consumption of your computer whenever you are away. Enable this featur
5-22 Chapter 5: Software support5.3.7 ASUS Q-Fan 2This ASUS Q-Fan 2 Control feature allows you to set the appropriate performance level of the CPU Q-
ASUS P5K/EPU5-235.3.8 ASUS AI BoosterThe ASUS AI Booster application allows you to overclock the CPU speed in WIndows® environment without the hassle
5-24 Chapter 5: Software support5.3.9 ASUS AI Direct LinkASUS AI Direct Link allows you to form a computer-to-computer network via a network cable to
ASUS P5K/EPU5-25The default path of the AIDirectLinkIncoming folder is C:\Program Files\ASUS\AI Direct Link. To change its location, disable the incom
xiiiP5K/EPU specications summaryBack Panel I/O Ports1 x PS/2 Keyboard 1 x PS/2 Mouse 1 x S/PDIF Out (Coaxial) 1 x IEEE1394a 1 x RJ45 port 6 x USB 2.0
5-26 Chapter 5: Software support
6This chapter tells how to install ATI® CrossFire™ graphics cards to avail of ATI’s Multi-Video Processing technology.ATI® CrossFire™ technology suppo
ASUS P5K/EPUChapter summary66.1 Overview ... 6-16.2 Installing C
ASUS P5K/EPU6-16.1 OverviewThe motherboard supports the ATI® CrossFire™ technology that allows you to install multi-graphics processing units (GPU) g
6-2 Chapter 6: ATI® MVP technology supportSlave graphics card Master graphics card2. Insert the CrossFire™ Edition (Master) graphics card into the P
ASUS P5K/EPU6-33. Insert the CrossFire™-ready (Slave) graphics card into the PCI Express x16 black slot. Make sure that the card is properly seated
6-4 Chapter 6: ATI® MVP technology support6. Connect the other end of the external cable to the Slave graphics card.7. Connect the loose end to the
ASUS P5K/EPU6-56.3 Software information6.3.1 Installing the device driversRefer to the documentation that came with your graphics card package to in
6-6 Chapter 6: ATI® MVP technology support6. Select the components that you want to install, then click Next. Setup prepares the installation wizar
ASUS P5K/EPU6-76.3.2 Using the Catalyst™ Control CenterThe Catalyst™ Control Center allows you to access display features of the ATI hardware and sof
6-8 Chapter 6: ATI® MVP technology supportThe Catalyst™ Control Center Dialog BoxViewThe Catalyst™ Control Center provides two views:Standard - simple
ASUS P5K/EPU6-9To enable CrossFire™:1. Set the view to Advance.2. Click the Crossre™ item in Graphics Settings.3. In the CrossFire™ Settings dialo
6-10 Chapter 6: ATI® MVP technology supportProfilesClick the Proles tab on the Catalyst™ Control Center to access the Proles Manager, which allows y
ASUS P5K/EPU6-11HelpClick the Help tab on the Catalyst™ Control Center to access the online help system, generate a Problem Report, and get the Cataly
6-12 Chapter 6: ATI® MVP technology support
ACPU featuresThe Appendix describes the CPU features and technologies that the motherboard supports.
ASUS P5K/EPUChapter summaryAA.1 Intel® EM64T ...A-1A.2 Enhanced Intel
ASUS P5K/EPU A-1A.1 Intel® EM64T• The motherboard is fully compatible with Intel® LGA775 processors running on 32-bit operating systems.• The mothe
A-2 Appendix: CPU featuresA.2.2 Using the EISTTo use the EIST feature:1. Turn on the computer, then enter the BIOS Setup.2. Go to the Advanced Menu
ASUS P5K/EPU A-3A.3 Intel® Hyper-Threading Technology• The motherboard supports Intel® Pentium® 4 LGA775 processors with Hyper-Threading Technology
1Product introductionThis chapter describes the motherboard features and the new technologies it supports.
A-4 Appendix: CPU features
ASUS P5K/EPUChapter summary11.1 Welcome! ... 1-11.2 Package conte
ASUS P5K/EPU1-11.1 Welcome!Thank you for buying an ASUS® P5K/EPU motherboard!The motherboard delivers a host of new features and latest technologies,
1-2 Chapter 1: Product Introduction1.3 Special features1.3.1 Product highlightsIntel® LGA775 Core™ 2 Processor Ready This motherboard supports t
ASUS P5K/EPU1-3IEEE 1394a support The IEEE 1394a interface provides high speed digital interface for audio/video appliances such as digital television
iiE3691Second Edition V2 February 2008Copyright © 2008 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and so
1-4 Chapter 1: Product Introduction1.3.2 ASUS AI Lifestyle unique features ASUS Quiet Thermal Solution ASUS Quiet Thermal solution makes system more
ASUS P5K/EPU1-5ASUS Crystal SoundThis feature enhances the audio on speech-centric applications like Skype, online game, video conference and recordin
1-6 Chapter 1: Product IntroductionASUS MyLogo3™ This feature allows you to convert your favorite photo into a 256-color boot logo for a more colorful
2Hardware informationThis chapter lists the hardware setup procedures that you have to perform when installing system components. It includes descript
ASUS P5K/EPUChapter summary22.1 Before you proceed ... 2-12.2 Motherboard overview
ASUS P5K/EPU 2-1Onboard LEDThe motherboard comes with a standby power LED. The green LED lights up to indicate that the system is ON, in sleep mode, o
2-2 Chapter 2: Hardware informationP5K/EPU®2.2 Motherboard overviewBefore you install the motherboard, study the conguration of your chassis to ensu
ASUS P5K/EPU 2-32.2.3 Motherboard layoutPANELP5K/EPU®AAFPCHASSIS24.5cm (9.6in)30.5cm (12.0in)CPU_FANFLOPPYSuperI/OCDCLRTCIntel®ICH9EATXPWRCR2032 3VLi
2-4 Chapter 2: Hardware information2.2.4 Layout contentsSlots Page1. DDR2 DIMM slots 2-132. PCI slots2-203. PCI Express x 1 slots2-20 4. PCI Expr
ASUS P5K/EPU 2-5Internal connectors Page1. Floppy disk drive connector (34-1 pin FLOPPY)2-25 2. IDE connector (40-1 pin PRI_EIDE))2-25 3. ICH9R Ser
iiiContentsContents ... iiiNotices ...
2-6 Chapter 2: Hardware information2.3 Central Processing Unit (CPU)The motherboard comes with a surface mount LGA775 socket designed for the Intel®
ASUS P5K/EPU 2-73. Lift the load lever in the direction of the arrow to a 135º angle.2. Press the load lever with your thumb (A), then move it to th
2-8 Chapter 2: Hardware information5. Position the CPU over the socket, making sure that the gold triangle is on the bottom-left corner of the socket
ASUS P5K/EPU 2-9FastenerMotherboard hole2.3.2 Installing the CPU heatsink and fanThe Intel® LGA775 processor requires a specially designed heatsink a
2-10 Chapter 2: Hardware information3. Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.2. Push down two fasteners at a
ASUS P5K/EPU 2-112.3.3 Uninstalling the CPU heatsink and fanTo uninstall the CPU heatsink and fan:1. Disconnect the CPU fan cable from the connecto
2-12 Chapter 2: Hardware information5. Rotate each fastener clockwise to ensure correct orientation when reinstalling.Narrow end of the grooveRefer t
ASUS P5K/EPU 2-132.4 System memory2.4.1 OverviewThe motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets.
2-14 Chapter 2: Hardware information• If you install four 1 GB memory modules, the system may detect less than 3 GB of total memory because of addres
ASUS P5K/EPU 2-15P5K/EPU Motherboard Qualied Vendors Lists (QVL) DDR2-800MHz capabilityP5K/EPU Motherboard Qualied Vendors Lists (QVL) DDR2-1066MHz
ivContents2.7.2 Internal connectors ... -26Chapter3: Powering up3.1 Starting up for the rst t
2-16 Chapter 2: Hardware informationP5K/EPU Motherboard Qualied Vendors Lists (QVL) DDR2-800MHz capabilitySize Vendor Chip No. CL Chip Brand SS/DSPar
ASUS P5K/EPU 2-17P5K/EPU Motherboard Qualied Vendors Lists (QVL) DDR2-667MHz capabilityVisit the ASUS website for the latest DDR2-1066/800/667 MHz QV
2-18 Chapter 2: Hardware information2.4.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failur
ASUS P5K/EPU 2-192.5 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the slots and the exp
2-20 Chapter 2: Hardware information2.5.3 Interrupt assignments* These IRQs are usually available for PCI devices.A B C D E F G H PCI slot 1 — shared
ASUS P5K/EPU 2-212.5.4 PCI slotsThe PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specicatio
2-22 Chapter 2: Hardware informationPrimary PCI Express x16 slotThe primary PCI Express x16 slot supports PCI Express x16 graphic cards that comply wi
ASUS P5K/EPU 2-232.6 Jumper1. Clear RTC RAM (CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS me
2-24 Chapter 2: Hardware information2.7 Connectors2.7.1 Rear panel connectors1. PS/2 mouse port (green). This port is for a PS/2 mouse.2. IEEE 139
ASUS P5K/EPU2-258. Microphone port (pink). This port connects a microphone.9. Side Speaker Out port (gray). This port connects the side speakers in
vContents4.4.6 PCIPnP ... 4-264.5 Power menu ...
2-26 Chapter 2: Hardware information2.7.2 Internal connectors1. Floppy disk drive connector (34-1 pin FLOPPY)This connector is for the provided opp
ASUS P5K/EPU2-273. ICH9R Serial ATA connectors (7-pin SATA1 [red], SATA2 [red], SATA3 [red], SATA4 [red])These connectors are for the Serial ATA sign
2-28 Chapter 2: Hardware information4. USB connectors (10-1 pin USB 78, USB 9 10, USB 11 12)These connectors are for USB 2.0 ports. Connect the USB m
ASUS P5K/EPU2-296. CPU, chassis and power fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN1-2, 3-pin PWR_FAN)The fan connectors support cooling fans of 3
2-30 Chapter 2: Hardware information8. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)These connectors are for ATX power supply plugs. The power
ASUS P5K/EPU2-31• For a fully congured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12 V Specication 2.0 (or
2-32 Chapter 2: Hardware informationP5K/EPU®P5K/EPU Internal audio connectorCDRight Audio ChannelLeft Audio ChannelGroundGround10. Optical drive audi
ASUS P5K/EPU2-33• System power LED (2-pin PLED)This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector
2-34 Chapter 2: Hardware informationASUS Q-Connector (system panel)You can use the ASUS Q-Connector to connect/disconnect chassis front panel cables i
3Powering upThis chapter describes the power up sequence, the vocal POST messages, and ways of shutting down the system.
viContentsChapter6: ATI® CrossFire™ technology support6.1 Overview ...
ASUS P5K/EPUChapter summary33.1 Starting up for the rst time ... 3-13.2 Turning off the comput
ASUS P5K/EPU 3-13.1 Starting up for the rst time1. After making all the connections, replace the system case cover. 2. Be sure that all switches a
3-2 Chapter 3: Powering up3.2 Turning off the computer3.2.1 Using the OS shut down functionIf you are using Windows® XP:1. Click the Start button
4BIOS setupThis chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also
Chapter summary4ASUS P5K/EPU4.1 Managing and updating your BIOS ... 4-14.2 BIOS setup program ...
ASUS P5K/EPU4-14.1 Managing and updating your BIOSThe following utilities allow you to manage and update the motherboard Basic Input/Output System (B
4-2 Chapter 4: BIOS setup3. Select the ASUS FTP site nearest you to avoid network trafc, or click Auto Select. Click Next.Updating the BIOS through
ASUS P5K/EPU4-3Updating the BIOS through a BIOS leTo update the BIOS through a BIOS le:1. Launch the ASUS Update utility from the Windows® desktop
4-4 Chapter 4: BIOS setupTo update the BIOS using EZ Flash 2:1. Visit the ASUS website (www.asus.com) to download the latest BIOS le for the motherb
ASUS P5K/EPU4-54.1.3 AFUDOS utilityThe AFUDOS utility allows you to update the BIOS le in DOS environment using a bootable oppy disk with the updat
viiNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two con
4-6 Chapter 4: BIOS setup2. Copy the AFUDOS utility (afudos.exe) from the motherboard support DVD to the bootable oppy disk you created earlier.3.
ASUS P5K/EPU4-74.1.4 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS le when it
4-8 Chapter 4: BIOS setup4.2 BIOS setup programThis motherboard supports a programmable Serial Peripheral Interface (SPI) chip that you can update us
ASUS P5K/EPU4-9 Select Screen Select Item+- Change FieldTab Select FieldF1 General HelpF10 Save and ExitESC Exitv02.61 (C)Copyright 19
4-10 Chapter 4: BIOS setup4.2.4 Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main
ASUS P5K/EPU4-114.3 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system informat
4-12 Chapter 4: BIOS setup4.3.4 SATA 1-4While entering Setup, the BIOS automatically detects the presence of Serial ATA devices. There is a separate
ASUS P5K/EPU4-13DMA Mode [Auto]Selects the DMA mode. Conguration options: [Auto] [SWDMA0] [SWDMA1] [SWDMA2] [MWDMA0] [MWDMA1] [MWDMA2] [UDMA0] [UDMA1
4-14 Chapter 4: BIOS setupSATA Port1 [Auto]Allows you to select the type of device connected to the system. Conguration options: [Auto] [Not Installe
ASUS P5K/EPU4-154.3.6 System InformationThis menu gives you an overview of the general system specications. The BIOS automatically detects the items
viiiSafety informationElectrical safety• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating t
4-16 Chapter 4: BIOS setupBIOS SETUP UTILITY Advanced 4.4 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and othe
ASUS P5K/EPU4-17CPU Ratio Control [Auto]Conguration options: [Auto] [Manual]The following item appears when the CPU Ratio Control item is set to [Man
4-18 Chapter 4: BIOS setupDRAM Command Rate [Auto]Conguration options: [Auto] [1T] [2T]DRAM Timing Control [Auto]Conguration options: [Auto] [Manual
ASUS P5K/EPU4-19Transaction Booster [Auto]Conguration options: [Auto] [Disabled] [Enabled]Relax Level [0]This sub-item appears only when you set the
4-20 Chapter 4: BIOS setup• Setting the CPU PLL Voltage, FSB Termination Voltage, DRAM Voltage and North Bridge Voltage to a high level may damage th
ASUS P5K/EPU4-214.4.2 USB CongurationThe items in this menu allows you to change the USB-related features. Select an item then press <Enter> t
4-22 Chapter 4: BIOS setupLegacy USB Support [Auto]Allows you to enable or disable the support for legacy USB devices. Setting to [Auto] allows the sy
ASUS P5K/EPU4-23 Select Screen Select Item+- Change OptionF1 General HelpF10 Save and ExitESC Exitv02.61 (C)Copyright 1985-2007, America
4-24 Chapter 4: BIOS setupBIOS SETUP UTILITY Advanced 4.4.4 ChipsetThe Chipset menu allows you to change the advanced chipset settings. Select an it
ASUS P5K/EPU4-254.4.5 OnBoard Devices Conguration Select Screen Select Item+- Change OptionF1 General HelpF10 Save and ExitESC Exitv0
ixAbout this guideThis user guide contains the information you need when installing and conguring the motherboard.How this guide is organizedThis gui
4-26 Chapter 4: BIOS setup4.4.6 PCIPnPThe PCIPnP menu items allow you to change the advanced settings for PCI/PnP devices. Take caution when changing
ASUS P5K/EPU4-274.5 Power menuThe Power menu items allow you to change the settings for the Advanced Power Management (APM). Select an item then pres
4-28 Chapter 4: BIOS setup4.5.5 APM CongurationRestore On AC Power Loss [Power Off]When set to [Power Off], the system goes into off state after an
ASUS P5K/EPU4-29Power On By PS/2 Keyboard [Disabled]Allows you to disable the Power On by PS/2 keyboard function or set specic keys on the PS/2 keybo
4-30 Chapter 4: BIOS setupCPU Fan Prole [Optimal]Allows you to set the appropriate performance level of the ASUS Q-Fan. When set to [Optimal], the CP
ASUS P5K/EPU4-314.6 Boot menuThe Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display the
4-32 Chapter 4: BIOS setup4.6.2 Boot Settings Congurationv02.61 (C)Copyright 1985-2007, American Megatrends, Inc.BIOS SETUP UTILITY BootBoot
ASUS P5K/EPU4-334.6.3 SecurityThe Security menu items allow you to change the system security settings. Select an item then press <Enter> to di
4-34 Chapter 4: BIOS setupUser Access Level [Full Access]This item allows you to select the access restriction to the Setup items. Conguration option
ASUS P5K/EPU4-354.7 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press <Enter> to di
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