MotherboardM2N-LR Series
xM2N-LR specications summaryCPU Socket AM2 for AMD Athlon™ 64 X2 /AMD Athlon™ 64 /AMD Athlon™ 64 FX/AMD Sempron™/AMD Opteron™ 64 X2 processors Su
ASUS M2N-LR Series 5-55.2.5 ASUS Contact informationClick the Contact tab to display the ASUS contact information. You can also nd this information
5-6 Chapter 5: Software supportBrowse this CDDisplays the support CD contents in graphical format.Technical support FormDisplays the ASUS Technical Su
ASUS M2N-LR Series5-75.3.1 Cool ‘n’ Quiet!™ TechnologyThe motherboard supports the AMD Cool ‘n’ Quiet!™ Technology that dynamically and automaticall
5-8 Chapter 5: Software supportWindows® 98 SE/Me1. From the Windows® 98 SE/Me operating system, click the Start button. Select Settings, then Control
ASUS M2N-LR Series5-95.4 RAID congurationsThe motherboard comes with the NVIDIA® nForce™ 570 SLI MCP (MCP55P) RAID utility that allow you
5-10 Chapter 5: Software support5.4.1 Installing hard disksThe motherboard supports Serial ATA hard disk drives. For optimal performance, inst
ASUS M2N-LR Series 5-115.4.2 NVIDIA® MediaShield™ RAID congurationsThe motherboard includes a high performance SATA RAID controller integrated in t
5-12 Chapter 5: Software supportEntering the NVIDIA® MediaShield RAID utilityTo enter the NVIDIA® RAID utility:1. Boot up your computer. 2. During
ASUS M2N-LR Series 5-13TIP: For server systems, we recommend using a lower array block size. For multimedia computer systems used main
5-14 Chapter 5: Software supportRebuilding a RAID arrayTo rebuild a RAID array:1. From the Array List menu, use the up or down arrow keys to select
xiM2N-LR specications summaryInternal connectors 3 x USB 2.0 connectors support six additional USB 2.0 ports 1 x Floppy disk drive connector 1 x ID
ASUS M2N-LR Series 5-15 A new set of navigation keys is displayed on the bottom of the screen. 2. Press <R> to rebuild a RAID array. The foll
5-16 Chapter 5: Software supportDeleting a RAID arrayTo delete a RAID array:1. From the Array List menu, use the up or down arrow keys to select a R
ASUS M2N-LR Series 5-17Clearing a disk dataTo clear disk data:1. From the Array List menu, use the up or down arrow keys to select a RAID array then
5-18 Chapter 5: Software support5.5 Creating a RAID driver diskA oppy disk with the RAID driver is required when installing Windows® 2000/2003 opera
1Product introductionThis chapter describes the motherboard features and the new technologies it supports.
ASUS M2N-LR SeriesChapter summary11.1 Welcome! ... 1-11.2 Package
ASUS M2N-LR Series 1-11.1 Welcome!Thank you for buying an ASUS® M2N-LR Series motherboard!The motherboard delivers a host of new features and latest
1-2 Chapter 1: Product introduction1.3 Special features1.3.1 Product highlightsLatest processor technology The motherboard comes with a 940-
ASUS M2N-LR Series 1-3Zero Channel RAID (ZCR) solution (M2N-LR/SATA model only) The motherboard supports the optional Zero Channel RAID card in PCI-X
1-4 Chapter 1: Product introduction1.3.2 ASUS Special featuresCrashFree BIOS 2 This feature allows you to restore the original BIOS data from the s
2Hardware informationThis chapter lists the hardware setup procedures that you have to perform when installing system components. It includes descript
ASUS M2N-LR SeriesChapter summary22.1 Before you proceed ... 2-12.2 Motherboard ov
iiE2804First Edition September 2006Copyright © 2006 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and softw
ASUS M2N-LR Series 2-1Onboard LEDThe motherboard comes with a standby power LED. The green LED lights up to indicate that the system is ON, in sleep m
2-2 Chapter 2: Hardware information2.2 Motherboard overviewBefore you install the motherboard, study the conguration of your chassis to ensure that
ASUS M2N-LR Series 2-32.2.3 Motherboard layout24.5cm (9.6in)ASMB330.5cm (12in)Socket M2PS/2KBMST: MouseB: KeyboardLANUSB12PARALLELPORTVGA1 COM1LAN1
2-4 Chapter 2: Hardware informationM2N-LR/SATA Model24.5cm (9.6in)ASMB330.5cm (12in)Socket M2PS/2KBMST: MouseB: KeyboardLANUSB12PARALLELPORTVGA1 COM1
ASUS M2N-LR Series 2-52.2.4 Layout contentsSlots Page1. CPU sockets 2-72. DDR2 DIMM sockets 2-123. PCI Express x16 slot 2-154. PCI slot 2-165.
2-6 Chapter 2: Hardware informationInternal connectors Page1. Floppy disk drive connector (34-1 pin FLOPPY) 2-222. IDE connector (40-pin PRI_IDE) 2-
ASUS M2N-LR Series 2-72.3.1 Installing the CPUTo install a CPU:1. Locate the CPU socket on the motherboard.Make sure that the socket lever is lifted
2-8 Chapter 2: Hardware information3. Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket corner wit
ASUS M2N-LR Series 2-92.3.2 Installing the heatsink and fanThe AMD Athlon™ 64/AMD Athlon™ 64 FX/AMD Athlon™ 64 X2 and AMD Sempron™ processors require
2-10 Chapter 2: Hardware information2. Attach one end of the retention bracket to the retention module base.3. Align the other end of the retention
iiiContentsNotices ... viSafety information ...
ASUS M2N-LR Series 2-115. When the fan and heatsink assembly is in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_F
2-12 Chapter 2: Hardware information2.4 System memory2.4.1 OverviewThe motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modu
ASUS M2N-LR Series 2-132.4.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failure to do so ca
2-14 Chapter 2: Hardware information2.5 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe th
ASUS M2N-LR Series 2-152.5.3 Interrupt assignmentsStandard interrupt assignments* These IRQs are usually available for ISA or PCI devices.IRQ Priorit
2-16 Chapter 2: Hardware information2.5.5 PCI slotThe PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that comply wi
ASUS M2N-LR Series 2-172.6 Jumpers1. Clear RTC RAM (CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the
2-18 Chapter 2: Hardware information2. Keyboard power (3-pin KBPWR1)This jumper allows you to enable or disable the keyboard wake-up feature. Set thi
ASUS M2N-LR Series 2-194. VGA Graphics controller setting (3-pin VGA_EN1)This jumper allows you to enable or disable the onboard ATI ES1000 graphics
2-20 Chapter 2: Hardware information6. BIOS Recovery (3-pin RECOVERY1) This jumper allows you to recover your original BIOS from a oppy disk in cas
ivContents2.6 Jumpers ... 2-172.7 Connectors ...
ASUS M2N-LR Series 2-212.7 Connectors2.7.1 Rear panel connectors1. PS/2 mouse port (green). This port is for a PS/2 mouse.2. Parallel port. This 2
2-22 Chapter 2: Hardware information2.7.2 Internal connectors1. Floppy disk drive connector (34-1 pin FLOPPY)This connector is for the provided opp
ASUS M2N-LR Series 2-23• Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA cable connector. This prevents incorrect i
2-24 Chapter 2: Hardware information4. CPU, Front and Rear fan connectors (4-pin CPU_FAN1/2, 3-pin FRONT_FAN1/2, Rear_FAN1/2)The fan connectors suppo
ASUS M2N-LR Series 2-256. USB connector (10-1 pin USB34, USB56, USB78)These connectors are for USB 2.0 ports. These connectors comply with the USB 2.
2-26 Chapter 2: Hardware information8. ATX power connectors (24-pin ATXPWR1, 4-pin ATX12V)These connectors are for an ATX power supply plugs. The pow
ASUS M2N-LR Series 2-2710. System panel auxiliary connector (20-pin AUX_PANEL1) This connector supports several server system functions.• Chassis In
2-28 Chapter 2: Hardware information11. System panel connector (20-pin PANEL1) This connector supports several chassis-mounted functions.The system
3Powering upThis chapter describes the power up sequence and ways of shutting down the system.
ASUS M2N-LR SeriesChapter summary33.1 Starting up for the rst time ... 3-13.2 Powering off the
vContents4.4 Advanced menu ... 4-184.4.1 CPU Conguration ...
ASUS M2N-LR Series 3-13.1 Starting up for the rst time1. After making all the connections, replace the system case cover. 2. Be sure that all swit
3-2 Chapter 3: Powering up3.2 Powering off the computer3.2.1 Using the OS shut down functionIf you are using Windows® 2000:1. Click the Start butt
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 M2N-LR Series4.1 Managing and updating your BIOS ... 4-14.2 BIOS setup program ...
ASUS M2N-LR Series 4-14.1 Managing and updating your BIOSThe following utilities allow you to manage and update the motherboard Basic Input/Output Sy
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 M2N-LR Series 4-3The utility returns to the DOS prompt after copying the current BIOS le.3. Press <Enter>. The utility copies the current
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 M2N-LR Series 4-54.1.3 ASUS CrashFree BIOS 2 utilityThe ASUS CrashFree BIOS 2 is an auto recovery tool that allows you to restore the BIOS le w
4-6 Chapter 4: BIOS setupThe recovered BIOS may not be the latest BIOS version for this motherboard. Visit the ASUS website (www.asus.com) to download
viNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two cond
ASUS M2N-LR Series 4-7Installing ASUS UpdateTo install ASUS Update:1. Place the support CD in the optical drive. The Drivers menu appears. 2. Click
4-8 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 M2N-LR Series 4-9Updating the BIOS through a BIOS leTo update the BIOS through a BIOS le:1. Launch the ASUS Update utility from the Windows® d
4-10 Chapter 4: BIOS setup4.2 BIOS setup programThis motherboard supports a programmable Low-Pin Count (LPC) chip that you can update using the provi
ASUS M2N-LR Series 4-114.2.1 BIOS menu screen4.2.2 Menu barThe menu bar on top of the screen has the following main items:Main Select to change
4-12 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 M2N-LR Series 4-134.3 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system i
4-14 Chapter 4: BIOS setup4.3.4 Primary IDE Master/Slave, SATA0 Primary/Secondary Channel, SATA1 Primary/Secondary Channel, SATA2 Primary/Secondary C
ASUS M2N-LR Series 4-15PIO Mode [Auto]Selects the PIO mode. Conguration options: [Auto] [0] [1] [2] [3] [4]DMA Mode [Auto]Selects the DMA mode. Con
4-16 Chapter 4: BIOS setupHard Disk Write Protect [Disabled]Enables or disables the device write protection. This will be effective only if device is
viiSafety informationElectrical safety• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating th
ASUS M2N-LR Series 4-17SATA2 Secondary Channel [Disabled]Sets the SATA2 Secondary Channel as RAID. Conguration options: [Disabled] [Enabled]4.3.6 S
4-18 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 M2N-LR Series 4-19GART Error Reporting [Disabled]Enables or disables the GART Error reporting feature. Conguration options: [Disabled] [Enabled]
4-20 Chapter 4: BIOS setupMemory ControllerMemory Controller Memory Conguration ECC CongurationPower Down Control [Auto]Alternate VID
ASUS M2N-LR Series 4-21ECC Conguration The ECC conguration menu allows you to change the ECC settings. Select Screen Select Item+- Change
4-22 Chapter 4: BIOS setupSouthBridge / MCP55 Conguration The SouthBridge Conguration menu allows you to change the SouthBridge settings.CPU/LTD Spr
ASUS M2N-LR Series 4-23PCI-Express Spread Spectrum [Enabled]Enables or disables the PCI-Express spread spectrum. Conguration options: [Disabled] [En
4-24 Chapter 4: BIOS setup4.4.3 Onboard Devices CongurationSerial Port1 Address [3F8/IRQ4]Allows you to select the Serial Port1 base address. Cong
ASUS M2N-LR Series 4-25Parallel Port Mode [Normal]Allows you to select the Parallel Port mode. Conguration options: [Normal] [EPP] [ECP] [EPP+ECP]EC
4-26 Chapter 4: BIOS setup4.4.4 PCI PnPThe PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices. The menu includes settin
viiiAbout this guideThis user guide contains the information you need when installing and conguring the motherboard.How this guide is organizedThis g
ASUS M2N-LR Series 4-274.4.5 MPS CongurationThe items in this menu allows you to congure the Multi-Processor Table. Select an item then press <E
4-28 Chapter 4: BIOS setupThe Module Version and USB Devices Enabled items show the auto-detected values. If no USB device is detected, the USB Devic
ASUS M2N-LR Series 4-29Congure Remote Access type and parametersRemote Access [Enabled]Serial port number [COM1] Base Address, IRQ [3F8h, 4]Seria
4-30 Chapter 4: BIOS setupTerminal Type [ANSI]Allows you to select the targat terminal type. Conguration options: [ANSI] [VT100] [VT-UTF8]VT-UTF8 Com
ASUS M2N-LR Series 4-314.5 Power menuThe Power menu items allow you to change the settings for the ACPI and Advanced Power Management (APM) features.
4-32 Chapter 4: BIOS setup4.5.3 APM CongurationResume on PME# [Disabled]Enables or disables the PCI PME (PCI Device and Onboard LAN) to generate a
ASUS M2N-LR Series 4-334.5.4 Hardware MonitorHardware MonitorCPU1 Temperature [38ºC/100ºF]MB Temperature [47ºC/114ºF]CPU Fan1 Speed [3884RPM]CPU F
4-34 Chapter 4: BIOS setupSmart Fan Control [Enabled]Allows you to enable or disable the ASUS Smart Fan feature that smartly adjusts the fan speeds fo
ASUS M2N-LR Series 4-354.6 Boot menuThe Boot menu items allow you to change the system boot options. Select an item then press <Enter> to displ
4-36 Chapter 4: BIOS setup4.6.2 Boot Settings Conguration Select Screen Select Item+- Change OptionF1 General HelpF10 Save and ExitESC
ixConventions used in this guideTo make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual.T
ASUS M2N-LR Series 4-37Interrupt 19 Capture [Disabled]When set to [Enabled], this function allows the option ROMs to trap Interrupt 19. Conguration o
4-38 Chapter 4: BIOS setupUser Access Level [Full Access]This item allows you to select the access restriction to the Setup items. Conguration option
ASUS M2N-LR Series 4-39Clear User PasswordSelect this item to clear the user password.Password Check [Setup]When set to [Setup], BIOS checks for user
4-40 Chapter 4: BIOS setupExit & Discard ChangesSelect this option only if you do not want to save the changes that you made to the Setup program
5Software supportThis chapter describes the contents of the support CD that comes with the motherboard package.
ASUS M2N-LR SeriesChapter summary55.1 Installing an operating system ... 5-15.2 Support CD informati
ASUS M2N-LR Series 5-1If Autorun is NOT enabled in your computer, browse the contents of the support CD to locate the le ASSETUP.EXE from the BIN fol
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 M2N-LR Series 5-3Install ASUS Network UtilityInstall the ASUS Network Utility. Refer to the application help le for details. ASWMInstalls the AS
5-4 Chapter 5: Software support5.2.4 Utilities menuThe Utilities menu shows the applications and other software that the motherboard supports. ADOBE
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