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              E2670
First Edition                
July
Copyright © 2006 ASUSTeK COMPUTER INC. All Rights Reserved              
Chapter 1: Product introduction
Chapter 2: Hardware information              
Chapter 3: Powering up
Chapter 4: BIOS setup              
Chapter 5: Software support
              Chapter 6: NVIDIA® SLI™ technology support
              Federal Communications Commission Statement
Canadian Department of Communications Statement              
Electrical safety
Operation safety              
About this guide
How this guide is organized              
Where to find more information
1.ASUS websites                
2.Optional documentation
Conventions used in this guide                
IMPORTANT: Instructions that you MUST follow to complete a task
              M2N4-SLIspecifications summary
CPU                
Chipset
System bus                
Memory
              Special features
Rear panel                
Internal connectors
BIOS features                
Manageability
              introduction
              Chapter summary
              1.1Welcome
Thank you for buying an ASUS® M2N4-SLImotherboard                
1.2Package contents
Check your motherboard package for the following items                
Motherboard
              1.3.1Product highlights
Latest processor technology                
Scalable Link Interface (SLI™) technology
AMD Cool ‘n’ Quiet!™ Technology                
Gigabit LAN
              Serial ATA 3Gb/s RAID
PCI Express™ interface                
S/PDIF digital sound ready
USB 2.0 technology              
1.3.2ASUS Special features
ASUS Two-slotthermal design                
ASUS CrashFree BIOS
ASUS EZ Flash                
ASUS Q-Connector
              Hardware2 information
            Page
              Onboard LED
              2.2.1Placement direction
2.2.2Screw holes              
2.2.3Motherboard layout
              2.2.4Layout Contents
              2.3.1Installing the CPU
            Page
              2.3.2Installing the heatsink and fan
              2.Attach one end of the retention bracket to the retention module base
              M2N4-SLICPU Fan Connectors
              2.4.1Overview
2.4.2Memory configurations              
*For dual-channelmemory configuration (2), you may:
•install identical DIMMs in all four sockets OR                
Always use identical DDR2 DIMM pairs for
Important notice on installing Windows® XP 32-bitversion                
http://support.asus.com/faq/faq
              Qualified Vendors List
DDR2-533              
DDR2-667
              DDR2-800
              2.4.3Installing a DIMM
2.4.4Removing a DIMM              
2.5.1Installing an expansion card
2.5.2Configuring an expansion card              
2.5.3Interrupt assignments
Standard interrupt assignments                
IRQ assignments for this motherboard
2.5.4PCI slots              
2.5.5PCI Express x1 slot
2.5.6PCI Express x16 slots                
Recommended PCI Express x16 configurations
              2.6Jumpers
1.Clear RTC RAM (CLRTC)                
To erase the RTC RAM:
1.Turn OFF the computer and unplug the power cord                
2.Remove the onboard battery
              2.USB device wake-up (3-pinUSBPW12, USBPW34, USBPW56, USBPW78, USBPW910)
USBPW12                
USBPW56
USBPW78                
USBPW910
              3.Keyboard power (3-pinKBPWR)
M2N4-SLIKeyboard Power Setting              
2.7.1Rear panel connectors
LAN port LED indications                
Audio 2, 4, or 6-channelconfiguration
              2.7.2Internal connectors
              2.IDE connector (40-1pin PRI_IDE, SEC_IDE)
Mode of                
M2N4-SLIIDE Connectors
              3.Serial ATA connectors
(7-pinSATA1, SATA2, SATA3, SATA4)                
M2N4-SLISATA Connectors
right angle side              
4.CPU, Chassis, and Power fan connectors
(3-pinCPU_FAN, 3-pinPWR_FAN, 3-pinCHA_FAN)                
M2N4-SLIFan Connectors
              5.USB connectors (10-1pin USB56, USB78, USB910)
M2N4-SLIUSB 2.0 Connectors                
The USB module is purchased separately
              6.ATX power connectors (24-pin EATXPWR1,4-pinATX12V)
M2N4-SLIATX Power Connector              
7.Internal audio connectors (4-pinCD, AUX)
8.Front panel audio connector (10-1pin FP_AUDIO)                
Front panel audio connector
              9.System panel connector (20-pinPANEL)
This connector supports several chassis-mountedfunctions                
M2N4-SLISystem Panel Connector
•System power LED (2-pinPLED)                
•Hard disk drive activity LED (2-pinIDE_LED)
              Q-Connector(System panel)
Step                
Carefully connect the ASUS Q-Connectorto the System panel connector
              Powering up
              ASUS M2N4-SLI
              3.1Starting up for the first time
              3.2.1Using the OS shut down function
3.2.2Using the dual function power switch              
BIOS setup
              Managing and updating your BIOS
              4.1.1 Creating a bootable floppy disk
              4.1.2 Updating the BIOS
              <Enter
7.Press <N> when the utility prompts you to save the current BIOS file                
The following screen appears
              4.1.3 Saving the current BIOS file
              4.1.4 ASUS CrashFree BIOS 3 utility
Recovering the BIOS from the support CD                
Recovering the BIOS from the USB flash disk
              Recovering the BIOS from a floppy disk
              4.1.5 ASUS EZ Flash 2 utility
              4.1.6 ASUS Update utility
Installing ASUS Update              
Updating the BIOS through the Internet
              Updating the BIOS through a BIOS file
              4.2BIOS setup program
              4.2.1 BIOS menu screen
4.2.2 Menu bar              
4.2.3 Legend bar
4.2.4 Menu items                
4.2.5 Sub-menu items
4.2.6 Configuration fields              
4.2.7 Pop-upwindow
4.2.8 Generalhelp              
4.3.1 System Time [xx:xx:xx]
4.3.2 System Date [Day, xx/xx/xxxx]                
4.3.3 Legacy Diskette A [1.44M, 3.5 in.]
              4.3.5 Primary and Secondary IDEMaster/Slave
Primary IDEMaster/Slave [Auto];                
Secondary IDEMaster/Slave [Auto]
Access Mode [Auto]              
PIO Mode
UDMA Mode                
Transfer Mode
              4.3.6 SATA 1, 2, 3
Extended Drive                
Access Mode
Landing Zone              
4.3.7 HDD SMART Monitoring
4.3.8 Installed Memory              
4.4.1 JumperFree Configuration
              Overclock Profile [Auto]
CPU Frequency [XXX](value is auto-detected)                
PCIExpress Clock [100MHz]
DDR2 Voltage [Auto]                
CPU Multiplier [Auto]
              CPU Voltage [Auto]
PCIClock Synchronization Mode [Auto]              
4.4.3 CPU Configuration
DRAM Configuration            
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Hyper Transport Frequency[4x]                
AMD Cool’n’Quiet Function[Disabled]
AMD Live! Function [Disabled]              
4.4.4 PCIPnP
Plug & Play O/S[No]                
Primary Display Adapter[PCI]
              4.4.5 Onboard Device Configuration
IDEFunction Setup            
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              NVRAID Configuration
              USB Configuration
              Onboard nVidia LAN[Enabled]
Onboard LAN Boot ROM[Disabled]                
AC97 Audio[Enabled]
SerialPort1 Address [3F8/IRQ4]                
ParallelPort Address [378/IRQ7]
              4.4.6 SLIConfiguration
AI -Selector[Auto]              
4.5.1 ACPISuspend Type [S1&S3]
4.5.2 ACPIAPIC Support [Enabled]              
4.5.3 APM Configuration
Restore on AC PowerLoss[ Power-Off]                
PWR Button < 4 secs [I nstant-Off]
Power On By PCIDevices [Disabled]                
Power On By ExternalModems [Disabled]
              Power On By RTC Alarm [Disabled]
Day of Month Alarm [Disabled]                
Time (hh:mm) Alarm [Disabled]
Power Up By PS/2 Mouse [Disabled]                
Power On By PS/2 Keyboard [Disabled]
              4.5.4 Hardware Monitor
CPU/Chassis Q-FanControl[Disabled]                
CPU/Chassis Q-FanProfile [Performance]
VCOREVoltage[1.42V]                
3.3V Voltage[3.31V]
              12V Voltage[11.96V]
CPU Temperature, M/B Temperature                
CPU FAN Speed, CHASSIS FAN Speed, POWER Fan Speed
CPU Fan Speed warning [800 RPM]              
4.6.1 Boot Device Priority
1st ~xxth Boot Device [Removable]              
4.6.2 Removable Drives
1. Floppy Disks                
4.6.3Hard Disk Drives
1. 1st Master:XXXXXXXXX              
4.6.4 Boot Settings Configuration
Case Open Warning [Enabled]                
Quick Boot [Enabled]
              Boot Up Floppy Seek [Disabled]
Bootup Num-Lock [On]                
Typematic Rate Setting [Disabled]
Typematic Rate (Chars/Sec) [6]                
Typematic Delay (Msec) [250]
              4.6.6 Security
Supervisor Password                
User Password
              Password Check
              ASUSEZFlash
              Exit & Save Changes
Exit & Discard Changes              
Load Setup Defaults
Discard Changes              
Software5 support
              Installing an operating system
              5.2.1 Running the support CD
              5.2.2 Drivers menu
NVIDIA nForce Chipset Driver                
Realtek Audio Driver
AMD Cool’n’Quiet Driver                
USB 2.0 Driver
              5.2.3 Utilities menu
ASUS PC Probe                
ASUS Update
ASUS Screen Saver                
ASUS AMD Cool‘n’ Quiet Utility
              5.2.4 Manuals menu
NVIDIA RAID User’s Guide              
5.2.5 ASUS Contact information
5.2.6 Other information                
Motherboard Info
              Browse this CD
Technicalsupport Form              
Filelist
              5.3.1 Cool‘n’ Quiet!™ Technology
Enabling Cool‘n’ Quiet!™ Technology                
Windows® 2000/XP
              Launching the Cool‘n’ Quiet!™ software
              5.3.2 ASUS PC Probe
Installing PC Probe                
Launching PC Probe
Using PC Probe              
Preferences
              Hardware monitor panels
              WMIbrowser
DMIbrowser              
PCIbrowser
Usage              
Configuring PC Probe
              5.4RAID configurations
(Data mirroring                
data striping
data mirroring                
JBOD
              5.4.1 Installing hard disks
Installing ParallelATA hard disks                
Installing SerialATA (SATA) hard disks
              5.4.2 NVIDIA® RAID configurations
Setting the BIOS RAID items              
Entering the NVIDIA® RAID utility
Creating a RAID Volume              
•8 /16 KB - low disk usage
•64 KB - typical disk usage                
•128 KB - performance disk usage
4.Press <F7> to create RAID set. The following message box appears              
Rebuilding a RAID array
            Page
              Deleting a RAID array
              Clearing a disk data
              5.5Creating a RAID driver disk
To create a RAID driver disk:                
1.Place the motherboard support CD into the CD-ROMdrive
When the Drivers menu appears, select the RAID driver disk you want to create:                
•Click Make NVIDIA RAID Driver to create an NVIDIA® RAID driver disk
            Page
              technology
            Page
              Requirements
              6.2.1Installing SLI-readygraphics cards
              Insert one graphics card into the blue slot labeled
PCIEX16                
Insert the second graphics card into the black slot labeled
              VGA cable
DVI                
cable
blue              
6.2.2Installing the device drivers
6.2.3Enabling the multi-GPUfeature in Windows