MotherboardP5LD2-C/IPAT
xP5LD2-C/IPAT specications summary(continued on the next page)CPU LGA775 socket for Intel® CoreTM 2 Duo / CoreTM 2 Extreme / Pentium® D / Pentium
xiP5LD2-C/IPAT specications summary*Specications are subject to change without notice.Menageability WOL by PME, WOR by PME, WORSupport CD contents D
xii
1Product introductionThis chapter describes the motherboard features and the new technologies it supports.
ASUS P5LD2-C/IPATChapter summary11.1 Welcome! ... 1-11.2 Package
ASUS P5LD2-C/IPAT 1-11.1 Welcome!Thank you for buying an ASUS® P5LD2-C/IPAT motherboard!The motherboard delivers a host of new features and latest te
1-2 Chapter 1: Product introduction1.3 Special featuresProduct highlightsLatest processor technology The motherboard comes with a 775-pin surface mou
ASUS P5LD2-C/IPAT 1-3High Denition Audio The onboard 6-channel ALC662 High Denition audio CODEC enables high-quality audio which automatically detec
1-4 Chapter 1: Product introduction
2Hardware informationThis chapter lists the hardware setup procedures that you have to perform when installing system components. It includes descript
iiE3609First Edition January 2008Copyright © 2008 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and softwar
ASUS P5LD2-C/IPATChapter summary22.1 Before you proceed ... 2-12.2 Motherboard ove
ASUS P5LD2-C/IPAT 2-1Onboard LEDThe motherboard comes with a standby power LED. The green LED lights up to indicate that the system is ON, in sleep mo
2-2 Chapter 2: Hardware informationP5LD2-C/IPAT2.2 Motherboard overviewBefore you install the motherboard, study the conguration of your chassis to
ASUS P5LD2-C/IPAT 2-32.2.3 Motherboard layout19cm (7.5in)30.5cm (12in)P5LD2-C/IPATLGA775EATXPWRSATA1SATA3SATA2SATA4Intel ICH7Intel 945GCPCI1PCIEX1_1P
2-4 Chapter 2: Hardware informationInternal connectors Page1. Floppy disk drive connector (34-1 pin FLOPPY) 2-232. ICH7 Primary IDE connector (40-
ASUS P5LD2-C/IPAT 2-52.3.1 Installing the CPUTo install a CPU:1. Locate the CPU socket on the motherboard.2.3 Central Processing Unit (CPU)The moth
2-6 Chapter 2: Hardware information3. Lift the load lever in the direction of the arrow to a 135º angle.4. Lift the load plate with your thumb and f
ASUS P5LD2-C/IPAT 2-7The CPU ts in only one correct orientation. DO NOT force the CPU into the socket to prevent bending the connectors on the socket
2-8 Chapter 2: Hardware informationFastenerMotherboard hole2.3.2 Installing the CPU heatsink and fanThe Intel® CoreTM 2 Duo / CoreTM 2 Extreme / Pent
ASUS P5LD2-C/IPAT 2-93. Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.2. Push down two fasteners at a time in a diag
iiiContentsNotices ... viSafety information ...
2-10 Chapter 2: Hardware information2.3.3 Uninstalling the CPU heatsink and fanTo uninstall the CPU heatsink and fan:1. Disconnect the CPU fan cabl
ASUS P5LD2-C/IPAT 2-115. Rotate each fastener clockwise to ensure correct orientation when reinstalling.The narrow end of the groove should point out
2-12 Chapter 2: Hardware information2.4 System memory2.4.1 OverviewThe motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Modul
ASUS P5LD2-C/IPAT 2-13Qualied Vendors Lists (QVL) DDR2-533Size Vendor Model CL Brand SS/DSComponent DIMM support A* B*256MB Kingston KVR533D2N4/256 N
2-14 Chapter 2: Hardware information(continued on the next page)Size Vendor Model CL Brand SS/DSComponent DIMM supportA* B* 256MB Kingston KVR667D2N5/
ASUS P5LD2-C/IPAT 2-15SS - Single-sided / DS - Double - sided DIMM support: • A*: Supports one module inserted into any slot as Single-channel memory
2-16 Chapter 2: Hardware information2.4.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failur
ASUS P5LD2-C/IPAT 2-172.5 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the slots and th
2-18 Chapter 2: Hardware information2.5.3 Interrupt assignmentsStandard interrupt assignmentsIRQ Standard Function0 System Timer1 Keyboard C
ASUS P5LD2-C/IPAT 2-192.5.4 PCI slotsThe PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI speci
ivContents2.7.1 Rear panel connectors ... 2-222.7.2 Internal connectors ...
2-20 Chapter 2: Hardware information2.6 Jumpers1. Clear RTC RAM (CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You c
ASUS P5LD2-C/IPAT 2-212. USB device wake-up (3-pin PS2_USBPW1-8)This jumper allows you to wake up the computer from S1 mode (CPU stopped, DRAM refres
2-22 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. Parallel
ASUS P5LD2-C/IPAT 2-237. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0/1.1 devices.8.
2-24 Chapter 2: Hardware information3. Optical drive audio connector (4-pin CD)This connector is for the 4-pin audio cable that connects to the audio
ASUS P5LD2-C/IPAT 2-25• You must install Windows® 2000 Service Pack 4 or the Windows® XP Service Pack 1 before using Serial ATA hard disk drives. •
2-26 Chapter 2: Hardware information6. USB port connectors (10-1 pin USB56, USB78)These connectors are for USB 2.0 ports. Connect the optional USB mo
ASUS P5LD2-C/IPAT 2-277. CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN)The fan connectors support cooling fans of 350 mA ~ 2000 mA (24
2-28 Chapter 2: Hardware information9. ATX power connectors (24-pin EATXPW, 4-pin ATX12V)These connectors are for ATX power supply plugs. The power s
ASUS P5LD2-C/IPAT 2-29• System power LED (2-pin PLED) This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this co
vContents4.4.7 Super IO Conguration ... 4-164.4.8 PCI Subsystem Settings ...
2-30 Chapter 2: Hardware information
3Powering upThis chapter describes the power up sequence, the vocal POST messages, and ways of shutting down the system.
ASUS P5LD2-C/IPATChapter summary33.1 Starting up for the rst time ... 3-13.2 Powering off the
ASUS P5LD2-C/IPAT 3-13.1 Starting up for the rst time1. After making all the connections, replace the system case cover. 2. Be sure that all switc
3-2 Chapter 3: Powering up3.2 Powering off the computer3.2.1 Using the OS shut down functionUsing Windows® XP:1. Click the Start button then select
4BIOS setupThis chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also
ASUS P5LD2-C/IPATChapter summary44.1 Managing and updating your BIOS ... 4-14.2 BIOS setup program ...
ASUS P5LD2-C/IPAT 4-14.1 Managing and updating your BIOSThe following utilities allow you to manage and update the motherboard Basic Input/Output Sys
4-2 Chapter 4: BIOS setup4.1.2 AFUDOS utilityThe AFUDOS utility allows you to update the BIOS le in DOS environment using a bootable oppy disk with
ASUS P5LD2-C/IPAT 4-32. Copy the AFUDOS utility (afudos.exe) from the motherboard support CD to the bootable oppy disk you created earlier.3. Boot
viNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two cond
4-4 Chapter 4: BIOS setup5. The utility returns to the DOS prompt after the BIOS update process is completed. Reboot the system from the hard disk dr
ASUS P5LD2-C/IPAT 4-54.1.3 AFUWIN utilityThe AFUWIN utility allows you to update the BIOS le in a Windows® environment.To update the BIOS using AFUW
4-6 Chapter 4: BIOS setup4.2 BIOS setup programThis motherboard supports a programmable Serial Peripheral Interface (SPI) chip that you can update us
ASUS P5LD2-C/IPAT 4-74.2.2 Menu barThe menu bar on top of the screen has the following main items:Main For changing the basic system conguration
4-8 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 s
ASUS P5LD2-C/IPAT 4-94.3 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system inf
4-10 Chapter 4: BIOS setup4.4 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and other system devices.Take caution
ASUS P5LD2-C/IPAT 4-114.4.2 ACPI SettingsThe items in this menu allows you to change the settings for the Advanced Conguration and Power Interface (
4-12 Chapter 4: BIOS setup4.4.3 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.CPU Cong
ASUS P5LD2-C/IPAT 4-13Enhanced C1 [Enabled]Allows you to enable or disable Inter CPU Enhanced Halt (C1E) function, a CPU power-saving function in syst
viiSafety informationElectrical safety• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating th
4-14 Chapter 4: BIOS setupSerial-ATA Port1/2/3/4 [Enabled]Allows you to disable or enable the Serial-ATA devices. Conguration options: [Disabled] [E
ASUS P5LD2-C/IPAT 4-15Other Power On DevicePower On By PCI/PCIE [Enabled]Power On By PS/2 Keyboard [Disabled]Power On By Ps/2 Mouse [Disabled]Power
4-16 Chapter 4: BIOS setupSet Parameters of Floppy Disk Controller (FDC)4.4.7 Super IO CongurationThe items in this menu allow you to set or change
ASUS P5LD2-C/IPAT 4-17Serial Port CongurationEnable or Disable Serial Port(COM)Serial Port CongurationSerial Port 1 [Enabled]Device Settings IO=3F
4-18 Chapter 4: BIOS setupDevice Mode [STD Printer Mode]Allows you to set the mode of Printer Port. Conguration options: [STD Printer Mode] [SPP Mode
ASUS P5LD2-C/IPAT 4-19Maximum Payload [Auto]Allows you to set Maximum Payload of PCI Express Device or allow System BIOS select the value. Conguratio
4-20 Chapter 4: BIOS setup4.5 Chipset menuThe Advanced menu items allow you to change the advanced chipset settings. North Bridge South Bridge Legac
ASUS P5LD2-C/IPAT 4-21Azalia HD Audio [Enabled]Allows you to enable or disable the Azalia HD Audio. Conguration options: [Enabled] [Disabled]AC97 Fr
4-22 Chapter 4: BIOS setupLegacy USB Support [Auto]Allows you to enable or disable support for USB devices on legacy operating systems (OS). Setting t
ASUS P5LD2-C/IPAT 4-234.6 Boot menuThe Boot menu items allow you to change the system boot options. Select an item then press <Enter> to displa
viiiAbout this guideThis user guide contains the information you need when installing and conguring the motherboard.How this guide is organizedThis g
4-24 Chapter 4: BIOS setup4.7 Security menuThe Security menu items allow you to change the system security settings. Select an item then press <En
ASUS P5LD2-C/IPAT 4-252.7.2 User PasswordSelect this item to set or change the user password. No password is installed by default. To set a User Pas
4-26 Chapter 4: BIOS setup4.8 Exit menuThe Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or d
ASUS P5LD2-C/IPAT 4-27Restore Defaults This option allows you to load the default values for each of the parameters on the Setup menus. When you selec
4-28 Chapter 4: BIOS setup
5Software supportThis chapter describes the contents of the support CD that comes with the motherboard package.
ASUS P5LD2-C/IPATChapter summary55.1 Installing an operating system ... 5-15.2 Support CD informatio
ASUS P5LD2-C/IPAT 5-1Click an item to install5.1 Installing an operating systemThis motherboard supports Windows® 32-bit XP / 64-bit XP operating sys
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 P5LD2-C/IPAT 5-35.2.3 ASUS Contact informationClick the Contact tab to display the ASUS contact information. You can also nd this information o
ixConventions used in this guideTo make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual.T
5-4 Chapter 5: Software supportBrowse this CDDisplays the support CD contents in graphical format.Technical support FormDisplays the ASUS Technical Su
ASUS P5LD2-C/IPAT 5-5FilelistDisplays the contents of the support CD and a brief description of each in text format.
5-6 Chapter 5: Software support
ACPU featuresThe Appendix describes the CPU features that the motherboard supports.
ASUS P5LD2-C/IPATChapter summaryAA.1 Enhanced Intel SpeedStep® Technology (EIST) ...A-1A.2 Intel® Hyper-Threading Technology ..
ASUS P5LD2-C/IPAT A-1A.1 Enhanced Intel SpeedStep® Technology (EIST)A.1.1 System requirementsBefore using EIST, check your system if it meets the fo
A-2 Appendix: CPU featuresA.2 Intel® Hyper-Threading Technology8. On the Power schemes section, click , then select any option except Home/
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