Narrow end of the groove | Asus P5L 1394 specification

5.Rotate each fastener clockwise to ensure correct orientation when reinstalling.

The narrow end of the groove should point outward after resetting. (The photo shows the groove shaded for emphasis.)

Narrow end of the groove

Refer to the documentation in the boxed or stand-alone CPU fan package for detailed information on CPU fan installation.

2-12	Chapter 2: Hardware information

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Asus P5L 1394 manual Narrow end of the groove

Contents

Motherboard E2726 Revised edition October Contents Powering up Bios setupConnectors Rear panel connectors Internal connectors PCI slots PCI Express x16 slot PCI Express x1 slots Appendix CPU features Software support Intel EM64T Using the Intel EM64T feature Federal Communications Commission Statement Canadian Department of Communications Statement Operation safety Safety informationElectrical safety How this guide is organized Where to find more informationAbout this guide Conventions used in this guide Typography P5L 1394 specifications summary USB LAN Asus C.P.R Product Welcome Package contents Special features Chapter summary Package contents Welcome Special features Product highlights Serial ATA technology PCI Express interfaceChannel high definition audio Pdif digital sound ready Innovative Asus features Hardware2 information System memory Expansion slots Jumpers Connectors Before you proceed Motherboard overview Before you proceed Onboard LED Screw holes Placement directionMotherboard overview P5L Motherboard layout Layout contents Internal connectors Central Processing Unit CPU Installing the CPUTo install a CPU Locate the CPU socket on the motherboard CPU notch Page Installing the CPU heatsink and fan To install the CPU heatsink and fan Cpufan Uninstalling the CPU heatsink and fan Narrow end of the groove Overview Memory configurationsSystem memory Qualified Vendors Lists QVL DDR2-533 DDR2-667Page Installing a Dimm Removing a DimmFollow these steps to remove a Dimm Remove the Dimm from the socket Installing an expansion card Configuring an expansion cardTo install an expansion card Expansion slots Interrupt assignments Standard interrupt assignmentsIRQ assignments for this motherboard These IRQs are usually available for ISA or PCI devices PCI Express x1 slots PCI slotsPCI Express x16 slot Jumpers Clear RTC RAM Clrtc P5L 1394 USB Device Wake Up LAN port LED indications ConnectorsRear panel connectors Audio 2, 4, or 6-channel configuration Microphone port pink. This port connects a microphone Internal connectors Serial ATA hard disk drive connection SATA2 SATA3 P5L 1394 Internal Audio Connector P5L 1394 Digital Audio Connector CPU and Chassis Fan connectors 4-pin CPUFAN, 3-pin Chafan Chassis intrusion connector 4-1 pin Chassis EATX12V ATX power button/soft-off button 2-pin Pwrsw Page Hardware information Powering up Starting up for the first time Powering off the computer AMI Bios beep codes Starting up for the first time Using the dual function power switch Powering off the computerUsing the OS shut down function Bios setup Introduction Managing and updating your Bios Creating a bootable floppy diskDo one of the following to create a bootable floppy disk DOS environment Copying the current Bios To copy the current Bios file using the Afudos utilityAfudos utility Windows 2000 environment Updating the Bios file To update the Bios file using the Afudos utility Utility verifies the file and starts updating the Bios Asus CrashFree Bios utility Recovering the Bios from a floppy disk Recovering the Bios from the support CD Asus EZ Flash utility Asus Update utility Installing Asus Update Updating the Bios through the Internet Updating the Bios through a Bios file Bios setup program Bios menu screen ConfigurationMenu bar Navigation keys Configuration fields Menu itemsSub-menu items Pop-up window Main menu System TimeSystem Date Day xx/xx/xxxx Legacy Diskette a 1 .44M, 3.5 LBA/Large Mode Auto Primary IDE Master/SlaveType Auto Block Multi -sector Transfer Auto PIO Mode Auto DMA Mode Auto32Bit Data Transfer Disabled Sata 1, 2, 3 Type Auto IDE Configuration Onboard IDE Operate Mode Enhanced ModeEnhanced Mode Support On S-ATA IDE Detect Time Out Displays the auto-detected Bios information Displays the auto-detected CPU specificationSystem Information Processor AI Overclocking Auto JumperFree ConfigurationAdvanced menu Available Dram frequency options in various FSB settings PCI Clock Synchronization Mode AutoCPU Frequency FSB/CPU External Frequency Synchronization CPU VCore Voltage Auto Spread Spectrum AutoMemory Voltage Auto USB Configuration CPU Configuration CPU Ratio Adjustment AutoVID Cmos Setting Microcode Updation Enabled Execute Disable Function Disabled Hyper Threading Technology EnabledEnhanced C1 Control Auto CPU Internal Thermal Control Auto Configure Dram Timing by SPD Enabled Dram RAS# to CAS# Delay 4 ClocksChipset Dram CAS# Latency 5 Clocks Onboard Devices Configuration Boot Graphic Adapter Priority PCI Express/PCIOnboard Audio Controller Enabled Onboard 1394 Controller Enabled OnBoard External -SATA Enabled Parallel Port Mode ECPSerial Port1 Address 3F8/IRQ4 Parallel Port Address PCI Latency Timer Palette Snooping DisabledPCI PnP Plug And Play O/S No Power menu Suspend Mode AutoAcpi Apic Support Enabled Acpi 2.0 Support No APM Configuration Power Button Mode On/OffRestore on AC Power Loss Power Off Power On By RTC Alarm Disabled Power On By External Modems Disabled Power On By PCI Devices DisabledPower On By Pcie Devices Disabled Power On By PS/2 Keyboard Disabled CPU Q-Fan Control Disabled CPU Fan Profile Mode OptimalHardware Monitor CPU Fan Speed RPM xxxxRPM or N/A Chassis Fan1 Speed RPM xxxxRPM or N/A Vcore Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage 1st ~ xxth Boot Device 1st Floppy Drive Boot menuBoot Device Priority Boot Settings Configuration Security Interrupt 19 Capture DisabledChange Supervisor Password No Access prevents user access to the Setup utility User Access Level Full AccessChange User Password Clear User Password Password Check SetupSelect this item to clear the user password Exit menu Discard Changes Load Setup DefaultsExit & Discard Changes Software5 support Chapter summary Running the support CD Installing an operating systemSupport CD information Intel Chipset Inf Update program Drivers menuRealtek Audio Driver JMicron JMB 36X SATA/PATA Controller Driver Adobe Acrobat Reader Asus Update Utilities menuAsus PC Probe Microsoft DirectX 9.0c Allows you to open the Realtek HDA Audio user’s manual Manuals menuRealtek HDA Audio User’s Manual Displays the general specifications of the motherboard Asus Contact informationOther information Motherboard Info Technical support Form Displays the support CD contents in graphical formatBrowse this CD Filelist Software information Asus MyLogo Asus P5L Audio configurations Realtek HD Audio Manager Configuration options InformationMinimize Exit Sound Effect Mixer Audio I/O Microphone 3D Audio Demo CPU features Features that the motherboard Supports Intel EM64T Using the Intel EM64T feature Intel EM64TEnhanced Intel SpeedStep Technology Eist System requirements Using the Eist Using the Hyper -Threading Technology Intel Hyper-Threading Technology Appendix CPU features