MotherboardP4U800-XUser Guide
Chapter 1This chapter describes the features of theP4U800-X motherboard. It includes briefdescriptions of the motherboard components,and illustration
1-2Chapter 1: Product introduction1.1Welcome!Thank you for buying the ASUS® P4U800-X motherboard!The ASUS P4U800-X motherboard, based on the ULI® M1
ASUS P4U800-X motherboard1-3CrashFree BIOSThis feature allows you to restore the original BIOS data from a floppy disk in casethe BIOS codes and data
1-4Chapter 1: Product introduction1.4 Before you proceedTake note of the following precautions before you install motherboard componentsor change any
ASUS P4U800-X motherboard1-51.5 Motherboard overview1.5.1 Motherboard layoutPCI1PANELP4U800-X®AUXCDSuperI/O2MbitFirmwareHubPS/2KBMST: MouseB: Keyboar
1-6Chapter 1: Product introductionDo not overtighten the screws! Doing so may damage the motherboard.1.5.2 Placement directionWhen installing the moth
ASUS P4U800-X motherboard1-71.6 Central Processing Unit (CPU)1.6.1 OverviewThe Intel® Pentium® 4 processors has a gold triangular mark on one corner.
1-8Chapter 1: Product introduction1.6.2 Installing the CPUFollow these steps to install a CPU.1. Locate the 478-pin ZIF socket on the motherboard.2. U
ASUS P4U800-X motherboard1-91.7System memory1.7.1 DIMM sockets locationThe following figure illustrates the location of the DDR DIMM sockets.1.7.2 Mem
iiChecklistCopyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and software described in it, may
1-10Chapter 1: Product introduction• Use of three DDR400 DIMM modules on all slots is not recommended. Theoperating memory frequency will work only at
ASUS P4U800-X motherboard1-111.8.1 Standard interrupt assignmentsIRQ Priority Standard Function 0 1 System Timer 1 2 Keyboard Controller 2 N/A Program
1-12Chapter 1: Product introduction1.8.3 PCI slotsThe PCI slots support PCI cards such as a LAN card, SCSI card, USB card, andother cards that comply
ASUS P4U800-X motherboard1-131.9 Jumpers1. Clear RTC RAM (CLRTC1)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS.You can clear
1-14Chapter 1: Product introduction2. USB device wake-up (3-pin USBPW12, USBPW34, USBPW56)Set these jumpers to +5V to wake up the computer from S1 sle
ASUS P4U800-X motherboard1-151.10 ConnectorsThis section describes and illustrates the motherboard rear panel and internalconnectors.1.10.1 Rear panel
1-16Chapter 1: Product introduction1.10.2 Internal connectors1. IDE connectors (40-1 pin PRI_IDE1, SEC_IDE1)This connector supports the provided Ultra
ASUS P4U800-X motherboard1-173. ATX power connectors (20-pin ATXPWR1, 4-pin ATX12V1)These connectors connect to an ATX 12V power supply. The plugs fro
1-18Chapter 1: Product introduction5. CPU, power and chassis fan connectors (3-pin CPU_FAN1, CHA_FAN1)The fan connectors support cooling fans of 350mA
ASUS P4U800-X motherboard1-198. Chassis intrusion connector (4-1 pin CHASSIS1)This lead is for a chassis designed with intrusion detection feature. Th
iiiFeaturesContentsNotices ...vSafety information ...
1-20Chapter 1: Product introduction11. System panel connector (10-1 pin PANEL1)This connector accommodates several system front panel functions.P4U800
ASUS P4U800-X motherboard1-21• Reset Switch Lead (Blue 2-pin RESET)This 2-pin connector connects to the case-mounted reset switch for rebootingthe sys
1-22Chapter 1: Product introduction
ASUS P4U800-X motherboard2-1Chapter 2This chapter tells how to change system settingsthrough the BIOS Setup menus. Detaileddescriptions of the BIOS
2-2Chapter 2: BIOS information2.1 Managing and updating your BIOSThe following utilities allow you to manage and update the motherboard BasicInput/Out
ASUS P4U800-X motherboard2-32. Copy the original (or the latest) motherboard BIOS to the bootable floppy disk.2.1.2 Updating the BIOS with EZ Flash fe
2-4Chapter 2: BIOS information2.1.3 Recovering the BIOS with CrashFree BIOSThe CrashFree BIOS auto recovery tool allows you to restore BIOS from a flo
ASUS P4U800-X motherboard2-53. If you selected updating/downloading from the Internet,select the ASUS FTP site nearestyou to avoid network traffic, or
2-6Chapter 2: BIOS information2. From the FTP site, select the BIOSversion that you wish to download.Click Next.5. Follow the instructions on thesucce
ASUS P4U800-X motherboard2-72.2 BIOS Setup programThis motherboard supports a programmable firmware hub (FHW) chip that you canupdate using the provid
ivSafeguardsContentsChapter 2: BIOS Information2.1 Managing and updating your BIOS ... 2-22.1.1 Creating a bootable
2-8Chapter 2: BIOS information2.2.2 Menu barThe menu bar on top of the screen has the following main items:Main For changing the basic system configur
ASUS P4U800-X motherboard2-92.2.4 General helpOn the right side of the menu screen is a brief description of the selected item.2.2.5 Sub-menuAn item w
2-10Chapter 2: BIOS information2.3 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears givingyou an overview of the basic sys
ASUS P4U800-X motherboard2-11Supervisor Password [Clear] / User Password [Clear]These fields allow you to set passwords. To set a password, highlight
2-12Chapter 2: BIOS informationHDD S.M.A.R.T. Capability [Disabled]Enable this option to enable the Smart Monitoring, Analysis, and ReportingTechnolog
ASUS P4U800-X motherboard2-13Before attempting to configure a hard disk drive, make sure you havethe correct configuration information supplied by the
2-14Chapter 2: BIOS informationSectorThis item shows the number of sectors per track.Transfer ModeThis item shows the Transfer mode. This item is not
ASUS P4U800-X motherboard2-152.4 Advanced menuThe Advanced menu displays the CPU type, speed, cache RAM, front side busfrequency and DRAM frequency in
2-16Chapter 2: BIOS informationCPU Clock Ratio [17 X]Sets the ratio between the core clock and the FSB frequency. Key-in avalue then press <Enter&g
ASUS P4U800-X motherboard2-17CAS Read Latency [Auto (By SPD)]Sets the latency between the DRAM command and the time the data becomesavailable. Configu
vNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject tothe following two condit
2-18Chapter 2: BIOS informationAGP Aperture Size [128MB]This field sets the size of mapped memory for AGP graphic data.Configuration options: [16MB] [
ASUS P4U800-X motherboard2-192.4.3 I/O Device ConfigurationOnboard Serial Port 1 [3F8/IRQ4]These fields allow you to set the address for the onboard s
2-20Chapter 2: BIOS informationOnboard AC97 Audio [Enabled]This field allows you to enable or disable the onboard AC97 audio controller.Configuration
ASUS P4U800-X motherboard2-21IRQ 3, 4, 7, 9, 10, 11, 12, 14, 15 assigned to [PCI Device]The IRQ Resources sub-menu is activated when the Resources Con
2-22Chapter 2: BIOS information2.5 Power menuACPI Suspend Type [S1& S3]Allows you to select the ACPI state to used for system suspend.Configuratio
ASUS P4U800-X motherboard2-232.5.1 Power Up Control Power Up On PCI Devices [Disabled] Power Up By PS/2 Keyboard [Disabled] Power Up By PS/2 Mouse
2-24Chapter 2: BIOS informationDate (of Month) Alarm [0]To set the data of alarm, highlight this item and press <Enter> to display a pop-upmenu.
ASUS P4U800-X motherboard2-252.5.2 Hardware MonitorHardware MonitorF1 : Help↑↓: Select Item -/+ : Change Value F5 : Setup DefaultsESC : Exit→←: Select
2-26Chapter 2: BIOS information2.6 Boot menuFirst, Second, Third, Fourth Boot DeviceThe Boot Menu allows you to select 13 types of boot devices. Promo
ASUS P4U800-X motherboard2-27Boot Up NumLock Status [On]Allows you to select the power-on state of the NumLock.Configuration options: [On] [Off]APIC M
viSafety informationElectrical safety•To prevent electrical shock hazard, disconnect the power cable fromthe electrical outlet before relocating the s
2-28Chapter 2: BIOS informationSave & Exit SetupOnce you are finished making your selections, choose this option from the Exitmenu to ensure the v
Chapter 3This chapter describes the contents of thesupport CD that comes with the motherboardpackage.Software support
3-2Chapter 3: Software support3.1 Install an operating systemThis motherboard supports Windows® 98SE/ME/2000/XP operating system (OS).Always install t
ASUS P4U800-X motherboard3-33.2.2 Drivers menuThe drivers menu shows the available device drivers if the system detects installeddevices. Install the
3-4Chapter 3: Software support3.2.4 ASUS Contact InformationClicking the ASUS Contact Information tab displays as stated. You may also findthis inform
viiAbout this guideConventions used in this guideTo make sure that you perform certain tasks properly, take note of thefollowing symbols used througho
viiiP4U800-X specification summary(continued on the next page)CPUChipsetFront Side Bus (FSB)MemoryExpansion slotsStorageAudioLANSpecial featuresOvercl
ixP4U800-X specification summary* Specifications are subject to change without notice.Internal I/OBIOS featuresIndustry standardManageabilityPower Req
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