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Asus M4N75TD User Manual Download Page 35

1.12.2 

Internal connectors

1. 

IDE connector (40-1 pin PRI_IDE)

The onboard IDE connector is for Ultra DMA 133/100/66 signal cable. There are three 

connectors on each Ultra DMA 133 / 100 / 66 signal cable: blue, black, and gray. 

Connect the blue connector to the motherboard’s IDE connector, then select one of the 

following modes to configure your devices:

Drive jumper setting

Mode of device(s)

Cable connector

Single device

Cable-Select or Master

-

Black

Two devices

Cable-Select

Master

Black

Slave

Gray

Master

Master

Black or gray

Slave

Slave

•  Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA 

cable connector. This prevents incorrect insertion when you connect the IDE cable.

•  Use the 80-conductor IDE cable for Ultra DMA 133/100/66 IDE devices.

If any device jumper is set as “Cable-Select”, ensure that all other device jumpers have the 

same setting.

Chapter 1: Product introduction

1-23

Summary of Contents for M4N75TD

Page 1: ...Motherboard M4N75TD ...

Page 2: ...planation and to the owners benefit without intent to infringe Offer to Provide Source Code of Certain Software This product may contain copyrighted software that is licensed under the General Public License GPL and under the Lesser General Public License Version LGPL The GPL and LGPL licensed code in this product is distributed without any warranty Copies of these licenses are included in this pr...

Page 3: ...w holes 1 4 1 5 3 Motherboard layout 1 5 1 5 4 Layout contents 1 5 1 6 Central Processing Unit CPU 1 6 1 6 1 Installing the CPU 1 6 1 6 2 Installing the heatsink and fan 1 7 1 7 System memory 1 9 1 7 1 Overview 1 9 1 7 2 Memory configurations 1 9 1 7 3 Installing a DIMM 1 14 1 7 4 Removing a DIMM 1 14 1 8 Expansion slots 1 15 1 8 1 Installing an expansion card 1 15 1 8 2 Configuring an expansion c...

Page 4: ...ty 2 2 2 2 2 ASUS EZ Flash 2 utility 2 3 2 2 3 ASUS CrashFree BIOS 3 utility 2 4 2 3 BIOS setup program 2 5 2 3 1 BIOS menu screen 2 6 2 3 2 Menu bar 2 6 2 3 3 Navigation keys 2 7 2 3 4 Menu items 2 7 2 3 5 Submenu items 2 7 2 3 6 Configuration fields 2 7 2 3 7 General help 2 7 2 3 8 Pop up window 2 7 2 3 9 Scroll bar 2 7 2 4 Main menu 2 8 2 4 1 System Time 2 8 2 4 2 System Date 2 8 2 4 3 Language...

Page 5: ... SATA Spread Spectrum 2 14 2 5 17 PCI Spread Spectrum 2 14 2 6 Advanced menu 2 15 2 6 1 CPU Configuration 2 15 2 6 2 Chipset 2 16 2 6 3 Onboard Devices Configuration 2 17 2 6 4 PCIPnP 2 17 2 6 5 USB Configuration 2 18 2 7 Power menu 2 19 2 7 1 Suspend Mode 2 19 2 7 2 ACPI 2 0 Support 2 19 2 7 3 ACPI APIC support 2 19 2 7 4 Hardware Monitor 2 19 2 8 Boot menu 2 21 2 8 1 Boot Device Priority 2 21 2 ...

Page 6: ...t from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate this equipm...

Page 7: ...ailer Operation safety Before installing the motherboard and adding devices on it carefully read all the manuals that came with the package Before using the product ensure all cables are correctly connected and the power cables are not damaged If you detect any damage contact your dealer immediately To avoid short circuits keep paper clips screws and staples away from connectors slots sockets and ...

Page 8: ...ct and software updates 1 ASUS websites The ASUS website provides updated information on ASUS hardware and software products Refer to the ASUS contact information 2 Optional documentation Your product package may include optional documentation such as warranty flyers that may have been added by your dealer These documents are not part of the standard package Typography Bold text Indicates a menu o...

Page 9: ... to www asus com or this user manual for the Memory QVL Qualified Vendors Lists Multi GPU support Supports NVIDIA SLI Technology at x8 link Supports HybridSLI Technology Expansion slots 2 x PCIe 2 0 x16 slots dual at x8 mode 2 x PCIe x1 slots 2 x PCI 2 2 slots Storage NVIDIA nForce 750a SLI chipset 1 x Ultra DMA 133 100 port 6 x SATA 3 0 Gb s ports Legacy IDE operation is only supported on drives ...

Page 10: ...urboV Turbo Key Precision Tweaker 2 vDIMM 16 step DRAM voltage control vCore Adjustable CPU voltage at 0 0125V increment vChipset N B 4 step voltage control SFS Stepless Frequency Selection FSB tuning from 200MHz up to 600MHz at 1MHz increment Memory tuning from 1066MHz up to 2000MHz PCIe frequency tuning from 100MHz to 200MHz at 1MHz increment Overclocking protection ASUS C P R CPU Parameter Reca...

Page 11: ...locker switch 1 x S PDIF Out Header Front panel audio connector 24 pin ATX Power connector 8 pin ATX 12V Power connector System Panel BIOS features 8 Mb Flash ROM AMI BIOS PnP DMI 2 0 WfM2 0 SM BIOS 2 5 ACPI 2 0 ASUS EZ Flash 2 ASUS CrashFree BIOS 3 Support CD contents Drivers ASUS Utilities ASUS Update Anti virus software OEM version Form factor ATX form factor 12 in x 9 6 in 30 5 cm x 24 4 cm M4...

Page 12: ...xii ...

Page 13: ...th unique L3 cache and delivers better overclocking capabilities with less power consumption It features dual channel DDR3 1333 memory support and accelerates data transfer rate up to 5200MT s via HyperTransort 3 0 based system bus This motherboard also supports AMD CPUs in the new 45nm manufacturing process 1 3 Special features 1 3 1 Product highlights 1 1 Welcome Thank you for buying an ASUS M4N...

Page 14: ...nlocker ASUS Core Unlocker simplifies the activation of a latent AMD CPU with just a simple switch or hot key Enjoy an instant performance boost by simply unlocking the extra cores without performing complicated BIOS changes MemOK Memory compatibility is among the top concerns during computer upgrades Worry no more MemOK is the fastest memory booting solution today This remarkable memory rescue to...

Page 15: ...e users an extremely silent and cooling experience with the elegant appearance Up to 20ºC 36ºF Cooler Stack Cool 3 Stack Cool 3 is a fanless cooling solution offered exclusively by ASUS It effectively and noiselessly transfers heat generated by the critical components to the other side of the specially designed PCB printed circuit board for effective heat dissipation making temperatures cooler by ...

Page 16: ...c pad or in the bag that came with the component Before you install or remove any component switch off the ATX power supply and detach its power cord Failure to do so may cause severe damage to the motherboard peripherals or components 1 5 Motherboard overview 1 5 1 Placement direction When installing the motherboard ensure that you place it into the chassis in the correct orientation The edge wit...

Page 17: ...in SATA1 6 1 25 7 IDE connector 40 1 pin PRI_IDE 1 23 8 Standby power LED SB_PWR 1 19 9 Clear RTC RAM CLRTC 1 16 10 System panel connector 20 8 pin PANEL 1 27 11 CPU overvoltage setting 3 1 pin OV_CPU 1 17 12 USB connectors 10 1 pin USB78 USB910 USB1112 1 28 13 Serial port connector 10 1 pin COM1 1 29 14 Core Unlocker switch CORE_UNLOCKER 1 19 15 IEEE 1394a connector 10 1 pin IE1394_2 1 30 16 Digi...

Page 18: ...ver sideways to unlock the socket then lift it up to a 90 100 angle Socket lever Ensure that the socket lever is lifted up to 90 100 angle otherwise the CPU will not fit in completely 3 Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket corner with a small triangle 4 Carefully insert the CPU into the socket until it fits in place Gold triangle Smal...

Page 19: ...heatsink on top of the installed CPU making sure that the heatsink fits properly on the retention module base The retention module base is already installed on the motherboard upon purchase You do not have to remove the retention module base when installing the CPU or installing other motherboard components If you purchased a separate CPU heatsink and fan assembly ensure that a Thermal Interface M...

Page 20: ...king sound denotes that the retention bracket is in place Ensure that the fan and heatsink assembly perfectly fits the retention mechanism module base otherwise you cannot snap the retention bracket in place 4 Push down the retention bracket lock on the retention mechanism to secure the heatsink and fan to the module base 5 When the fan and heatsink assembly is in place connect the CPU fan cable t...

Page 21: ...mpatibility we recommend that you obtain memory modules from the same vendor Due to the memory address limitation on 32 bit Windows OS when you install 4GB or more memory on the motherboard the actual usable memory for the OS can be about 3GB or less For effective use of memory we recommend that you install a 64 bit Windows OS when having 4GB or more memory installed on the motherboard This mother...

Page 22: ...F3 12800CL8D 4GBRM XMP 4GB 2 x 2GB DS 8 8 8 24 1 6 G SKILL F3 12800CL9D 4GBECO XMP 4GB 2 x 2GB DS 9 9 9 24 1 35 G SKILL F3 12800CL8T 6GBPI XMP 6GB 3 x 2GB DS 8 8 8 21 1 6 1 65 G SKILL F3 12800CL9T 6GBNQ 6GB 3 x 2GB DS 9 9 9 24 1 5 1 6 KINGMAX FLGD45F B8MF7 XMP 1GB SS KINGMAX FLGE85F B8MF7 XMP 2GB DS KINGSTON KHX1600C9D3K3 12GX XMP 12GB 3 x 4GB DS 1 65 KINGSTON KHX1600C9D3K3 12GX XMP 12GB 3 x 4GB D...

Page 23: ...2GB DS ELPIDA J1108BABG DJ E 9 ELPIDA EBJ21UE8BDF0 DJ F 2GB DS ELPIDA J1108BDSE DJ F ELPIDA EBJ21UE8EDF0 DJ F 2GB DS ELPIDA J1108EDSE DJ F G SKILL F3 10600CL8D 2GBHK 2GB 2 x 1GB SS 1 65 G SKILL F3 10666CL7T 6GBPK XMP 2GB DS 7 7 7 18 1 5 1 6 G SKILL F3 10666CL7D 4GBPI XMP 4GB 2 x 2GB DS 7 7 7 21 1 5 G SKILL F3 10666CL7D 4GBRH XMP 4GB 2 x 2GB DS 7 7 7 21 1 5 G SKILL F3 10666CL8D 4GBECO XMP 4GB 2 x 2...

Page 24: ... Asint SLY3128M8 EDJE 1GB SS ELPIDA J1108BASE DJ E Asint SLZ3128M8 EDJ 2GB DS Asint DDRIII1208 DJ Asint SLZ3128M8 EDJE 2GB DS ELPIDA J1108BASE DJ E ASUS N A 1GB DS ATP AQ28M64A8BJH9S 1GB SS SAMSUNG K4B1G0846E ATP AQ28M72D8BJH9S 1GB SS SAMSUNG K4B1G0846D ECC ATP AQ56M64B8BJH9S 2GB DS SAMSUNG K4B1G0846D ATP AQ56M72E8BJH9S 2GB DS SAMSUNG K4B1G0846D ECC BUFFALO FSH1333D3G T3G XMP 3GB 3 x 1GB SS 7 7 7 ...

Page 25: ...2GB DS ELPIDA J1108BABG DJ E 7 ELPIDA EBJ21UE8EDF0 AE F 2GB DS ELPIDA J1108EDSE DJ F Hynix HMT112U6AFP8C G7N0 1GB SS HYNIX H5TQ1G83AFPG7C 7 Hynix HYMT112U64ZNF8 G7 1GB SS HYNIX HY5TQ1G831ZNFP G7 7 Hynix HMT125U6AFP8C G7N0 2GB DS HYNIX H5TQ1G83AFPG7C 7 Hynix HYMT125U64ZNF8 G7 2GB DS HYNIX HY5TQ1G831ZNFP G7 7 KINGSTON KVR1066D3N7 1G 1GB SS KINGSTON D1288JEKAPA7U 7 1 5 KINGSTON KVR1066D3N7 2G 2GB DS ...

Page 26: ...aneously until the retaining clip snaps back into place and the DIMM cannot be pushed in any further to ensure proper sitting of the DIMM 1 Unlock a DIMM socket by pressing the retaining clip outward 2 Align a DIMM on the socket such that the notch on the DIMM matches the DIMM slot key on the socket A DIMM is keyed with a notch so that it fits in only one direction DO NOT force a DIMM into a socke...

Page 27: ... 2 Configuring an expansion card After installing the expansion card configure it by adjusting the software settings 1 Turn on the system and change the necessary BIOS settings if any See Chapter 2 for information on BIOS setup 2 Assign an IRQ to the card 3 Install the software drivers for the expansion card When using PCI cards on shared slots ensure that the drivers support Share IRQ or that the...

Page 28: ...ng the boot process and enter BIOS setup to re enter data Except when clearing the RTC RAM never remove the cap on CLRTC jumper default position Removing the cap will cause system boot failure If the steps above do not help remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data After the CMOS clearance reinstall the battery You do not need to clear the RTC when the sys...

Page 29: ... well under the highest BIOS voltage setting before you change the setting of this jumper Refer to 2 5Ai Tweaker menu for more information about the CPU overvoltage setting DO NOT set the OV_CPU jumper to pins 1 2 when you install a new CPU and have not booted for the first time Doing so may cause the system to halt For system failure due to the wrong setting of the OV_CPU jumper shut down the com...

Page 30: ...em to test one set of failsafe settings If the test fails the system reboots and test the next set of failsafe settings The blinking speed of the DRAM_LED increases indicating different test processes Due to memory tuning requirement the system automatically reboots when each timing set is tested If the installed DIMMs still fail to boot after the whole tuning process the DRAM_LED lights continuou...

Page 31: ...system will use the last setting you have made 1 11 Onboard LEDs 1 Standby Power LED The motherboard comes with a standby power LED The green LED lights up to indicate that the system is ON in sleep mode or in soft off mode This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component The illustration below shows the loc...

Page 32: ...und the LED next to the error device will continue lighting until the problem is solved This user friendly design provides an intuitional way to locate the root problem within a second 3 Core Unlocker LED The Core Unlocker LED lights when the Core Unclocker switch is turned to Enable 1 20 ASUS M4N75TD ...

Page 33: ... blue This port connects the tape CD DVD player or other audio sources 7 Line Out port lime This port connects a headphone or a speaker In 4 channel 6 channel and 8 channel configuration the function of this port becomes Front Speaker Out 8 Microphone port pink This port connects a microphone 9 Side Speaker Out port gray This port connects the side speakers in an 8 channel audio configuration Refe...

Page 34: ...de Speaker Out 10 USB 2 0 ports 1 and 2 These 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices 11 USB 2 0 ports 3 and 4 These 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices 12 Optical S PDIF Out port This port connects an external audio output device via an optical S PDIF cable 13 USB 2 0 ports 5 and 6 These 4 pin Universal Serial...

Page 35: ... jumper setting Mode of device s Cable connector Single device Cable Select or Master Black Two devices Cable Select Master Black Slave Gray Master Master Black or gray Slave Slave Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA cable connector This prevents incorrect insertion when you connect the IDE cable Use the 80 conductor IDE cable for Ultra DMA 133 100 66 ...

Page 36: ...se a PSU with 1000W power or above to ensure the system stability PSU suggested list AcBel PC7030 EnerMAX EGX1000EWL Seasonic SS 550HT AcBel API4PC24 EnerMAX EG495AX VE E 24P Seasonic SS 600HT Antec EA 380 EnerMAX ELT500AWT Seventeam ST 522HLP Delta GPS 550AB EnerMAX EIN720AWT Seventeam ST550EAJ 05F ASUS P 50GA FSP FSP500 60GLN Seventeam ST 420BKP ASUS P 55GA FSP ATX 300PNR Snake PSH850V ASUS U 65...

Page 37: ... SATA 5 6 connectors support AHCI mode and RAID mode only Make sure to install the AHCI driver or RAID driver in the bundled support DVD before connecting devices to SATA 5 6 connectors Otherwise the devices will not work Due to chipset limitation when set any of SATA ports to RAID mode all SATA ports run at RAID mode together You must install Windows XP Service Pack 2 or later version before usin...

Page 38: ...ectors Insufficient air flow inside the system may damage the motherboard components These are not jumpers DO NOT place jumper caps on the fan connectors The CPU_FAN connector supports the CPU fan of maximum 1A 12 W fan power Only the CPU_FAN CHA_FAN1 and CHA_FAN2 connectors support the ASUS Fan Xpert feature If you install two VGA cards we recommend that you plug the rear chassis fan cable to the...

Page 39: ...or flashes when data is read from or written to the HDD System warning speaker 4 pin SPEAKER This 4 pin connector is for the chassis mounted system warning speaker The speaker allows you to hear system beeps and warnings ATX power button soft off button 2 pin PWRSR This connector is for the system power button Pressing the power button turns the system on or puts the system in sleep or soft off mo...

Page 40: ...is These USB connectors comply with USB 2 0 specification that supports up to 480 Mbps connection speed Never connect a 1394 cable to the USB connectors Doing so will damage the motherboard The USB 2 0 module is purchased separately 7 Digital audio connector 4 1 pin SPDIF_OUT This connector is for an additional Sony Philips Digital Interface S PDIF ports The S PDIF module is purchased separately 1...

Page 41: ...n audio capability If you want to connect a high definition front panel audio module to this connector ensure that the Front Panel Select item in the BIOS is set to HD Audio If you want to connect an AC 97 front panel audio module to this connector set the item to AC97 See page 2 18 for details 9 Serial port connector 10 1 pin COM1 The connector is for a serial COM port Connect the serial port mod...

Page 42: ...is for an IEEE 1394a port Connect the IEEE 1394a module cable to this connector then install the module to a slot opening at the back of the system chassis Never connect a USB cable to the IEEE 1394a connector Doing so will damage the motherboard 1 30 ASUS M4N75TD ...

Page 43: ...pplications and utilities that you can install to avail all motherboard features The contents of the Support DVD are subject to change at any time without notice Visit the ASUS website at www asus com for updates For detailed software instructions see the Manual folder in the Support DVD or download the latest software manual from the ASUS website at www asus com To run the Support DVD Place the S...

Page 44: ...uired by your system See page 1 24 for details We recommend that you install additional chassis fans for better thermal environment Visit the NVIDIA zone website http www nzone com for the latest certified graphics card and supported 3D application list Installing two SLI ready graphics cards The following pictures are for reference only The graphics cards and the motherboard layout may vary with ...

Page 45: ...e that your PCI Express graphics card driver supports the NVIDIA SLI technology Download the latest driver from the NVIDIA website www nvidia com Goldfingers SLI bridge Enabling the NVIDIA SLI technology After installing your graphics cards and the device drivers enable the SLI feature in NVIDIA Control Panel under the Windows Vista 7 operating system Launching the NVIDIA Control Panel You can lau...

Page 46: ... cannot see the NVIDIA Control Panel item in step A select Personalize B2 From the Personalization window select Display Settings B3 From the Display Settings dialog box click Advanced Settings 1 34 ASUS M4N75TD ...

Page 47: ...trol Panel B5 The NVIDIA Control Panel window appears Enabling SLI settings From the NVIDIA Control Panel window select Set SLI Configuration Click Enable SLI and set the display for viewing SLI rendered content When done click Apply Chapter 1 Product introduction 1 35 ...

Page 48: ...is supported by Windows Vista 7 only Hybrid SLI technology requires at least 2GB system memory to activate GeForce Boost supports up to two displays simultaneously both connected to either the mGPU or the dGPU When two or more displays are connected to both the mGPU and the dGPU the Hybrid SLI mode is disabled and the multi display mode is enabled In the multi display mode up to four displays can ...

Page 49: ...item to Auto See section 2 5 2 Chipset for details The Hybrid Support item becomes user configurable only when a dGPU is detected Ensure that your dGPU is properly installed 3 Save your changes and Exit Setup 4 Place the motherboard support DVD into the optical drive and go to the Drivers menu to install the NVIDIA Chipset Driver Program 5 Restart the system 6 If the driver is correctly installed ...

Page 50: ...The mGPU is being used only to drive the display 3 Click the Hybrid SLI icon and select Save Power 4 The icon will change state from to to indicate that the system is in Power Saving mode which means that the dGPU is turned off and the mGPU is both rendering and displaying 5 When the Power Saving mode is enabled the dGPU does not show in the Windows Device Manager Power Saving mode is disabled Whe...

Page 51: ...g the current version of BIOS DO NOT manually update the BIOS Inappropriate BIOS updating may result in the system s failure to boot Carefully follow the instructions of this chapter to update your BIOS if necessary Visit the ASUS website www asus com to download the latest BIOS file for this motherboard The following utilities allow you to manage and update the motherboard BIOS setup program 1 AS...

Page 52: ...S using this utility Updating the BIOS To update the BIOS 1 From the Windows desktop click Start Programs ASUS ASUSUpdate ASUSUpdate to launch the ASUS Update utility 2 From the dropdown list select any of the updating process Updating from the Internet a Select Update BIOS from the Internet and then click Next b Select the ASUS FTP site nearest you to avoid network traffic or click Auto Select an...

Page 53: ... ROM Utility V4 12 Current ROM Update ROM A Note PATH A BOARD M4N75TD VER 0106 DATE 01 15 2010 BOARD Unknown VER Unknown DATE Unknown Enter Select or Load Tab Switch V Drive Info Up Down Home End Move B Backup ESC Exit b Enter the BIOS setup program Go to the Tools menu to select EZ Flash 2 and press Enter to enable it Press Tab to switch between drives until the correct BIOS file is found 4 When ...

Page 54: ...nd save it to a USB flash drive Recovering the BIOS To recover the BIOS 1 Turn on the system 2 Insert the motherboard support DVD to the optical drive or the USB flash drive containing the BIOS file to the USB port 3 The utility automatically checks the devices for the BIOS file When found the utility reads the BIOS file and starts flashing the corrupted BIOS file 4 Turn off the system after the u...

Page 55: ...wish to enter Setup after POST reboot the system by doing any of the following procedures Restart using the OS standard shut down procedure Press Ctrl Alt Del simultaneously Press the reset button on the system chassis Press the power button to turn the system off then back on Using the power button reset button or the Ctrl Alt Del keys to force reset from a running operating system can cause dama...

Page 56: ...OS setup screens shown in this chapter are for reference purposes only and may not exactly match what you see on your screen Visit the ASUS website at www asus com to download the latest BIOS information v02 61 C Copyright 1985 2009 American Megatrends Inc BIOS SETUP UTILITY Main Ai Tweaker Advanced Power Boot Tools Exit System Time 10 17 30 System Date Fri 01 22 2010 Language English Primary IDE ...

Page 57: ...tem that is not user configurable A configurable field is enclosed in brackets and is highlighted when selected To change the value of a field select it then press Enter to display a list of options Refer to 2 2 8 Pop up window 2 3 7 General help At the top right corner of the menu screen is a brief description of the selected item 2 3 8 Pop up window Select a menu item then press Enter to display...

Page 58: ... allows automatic selection of the appropriate IDE device type Select CDROM if you are specifically configuring a CD ROM drive Select ARMD ATAPI Removable Media Device if your device is either a ZIP LS 120 or MO drive Configuration options Not Installed Auto CDROM ARMD 2 4 Main menu When you enter the BIOS Setup program the Main menu screen appears giving you an overview of the basic system inform...

Page 59: ...ntering Setup the BIOS automatically detects the presence of Serial ATA devices There is a separate submenu for each SATA device Select a device item then press Enter to display the SATA device information The BIOS automatically detects the values opposite the dimmed items Device Vendor Size LBA Mode Block Mode PIO Mode Async DMA Ultra DMA and SMART monitoring These values are not user configurabl...

Page 60: ...d SATA Mode select IDE Mode Allows you to select the SATA type Configuration options IDE Mode RAID Mode AHCI Mode If you want the Serial ATA hard disk drives to use the Advanced Host Controller Interface AHCI set this item to AHCI Mode The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on random workloads by allowing the drive to in...

Page 61: ...ll be auto adjusted 2 5 1 Ai Overclock Tuner Auto Allows selection of CPU overclocking options to achieve desired CPU internal frequency Configuration options Manual Auto D O C P The following two 2 items appear only when you set the Ai Overclock Tuner item to Manual CPU Bus Frequency XXX Displays the frequency sent by the clock generator to the system bus and PCI bus Use the and keys to adjust th...

Page 62: ...ll on the motherboard DRAM CAS Latency Auto Configuration options Auto 4 CLK 12 CLK DRAM RAS to CAS Delay Auto Configuration options Auto 5 CLK 12 CLK DRAM RAS PRE Time Auto Configuration options Auto 5 CLK 12 CLK DRAM RAS ACT Time Auto Configuration options Auto 15 CLK 30 CLK DRAM READ to PRE Time Auto Configuration options Auto 4 CLK 5 CLK 6 CLK 7 CLK DRAM Row Cycle Time Auto Configuration optio...

Page 63: ...o 1x 1 25x 1 5x 2x CS ODT drive strength Auto Configuration options Auto 1x 1 25x 1 5x 2x ADDR CMD drive strength Auto Configuration options Auto 1x 1 25x 1 5x 2x MEMCLK drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x Data drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x DQS drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x Processor ODT Auto C...

Page 64: ...3 NB Voltage Auto This item appears only when you set the Ai Overclock Tuner item to Manual or D O C P and allows you to set the NorthBridge voltage The values range from 1 10V to 1 40V with a 0 10V interval 2 5 14 CPU LDT Spread Spectrum Disabled Set to Disabled to enhance CPU Bus overclocking ability or Enabled for EMI control Configuration options Disabled Enabled 2 5 15 PCIE Spread Spectrum Di...

Page 65: ...rmation that the BIOS automatically detects GART Error Reporting Disabled This option should remain disabled for the normal operation The driver developer may enable it for testing purpose Configuration options Disabled Enabled Microcode Updation Enabled Allows you to enable or disable the microcode updation Configuration options Disabled Enabled Secure Virtual Machine Mode Enabled Allows you to e...

Page 66: ...is item to Enabled to allow hardware to report and correct memory errors automatically maintaining system integrity Configuration options Disabled Enabled DRAM SCRUB REDIRECT Enabled Enables or disables the DRAM SCRUB REDIRECT feature that allows the system to correct the DRAM ECC errors immediately when they occur Configuration options Disabled Enabled 4 Bit ECC Mode Enabled Enables or disables t...

Page 67: ... the onboard LAN Boot ROM Configuration options Disabled Enabled Onboard 1394 Enabled Allows you to enable or disable the onboard 1394 device support Configuration options Disabled Enabled On board AUDIO Enabled Allows you to enable or disable the onboard Audio controller Configuration options Disabled Enabled Front Panel Select HD Audio Allows you to set the front panel audio connector AAFP mode ...

Page 68: ...Enabled Allows you to enable or disable the USB 2 0 controller Configuration options Enabled Disabled The following two items appear only when you set the USB 2 0 Controller item to Enabled Legacy USB Support Enabled Allows you to enable or disable support for USB devices on legacy operating systems OS Setting to Auto allows the system to detect the presence of USB devices at startup If detected t...

Page 69: ...ystem appears suspended and stays in a low power mode The system can be resumed at any time S3 Only Enables the system to enter the ACPI S3 Suspend to RAM sleep state default In S3 sleep state the system appears to be off and consumes less power than in the S1 state When signaled by a wake up device or event the system resumes to its working state exactly where it was left off Auto Detected by OS ...

Page 70: ... a PWM 4 pin fan but set this item to DC Fan the fan you installed may not work If you install a DC 3 pin fan but set this item to PWM Fan the CPU Q Fan function will not work and the fan you install will always run at full speed CPU Q Fan Mode Silent Allows you to set the appropriate performance level of the CPU Q Fan When set to Optimal the CPU fan automatically adjusts depending on the CPU temp...

Page 71: ...uration options Disabled Enabled Set this item to Enabled to use the ASUS MyLogo 2 feature AddOn ROM Display Mode Force BIOS Sets the display mode for option ROM Configuration options Force BIOS Keep Current Bootup Num Lock On Allows you to select the power on state for the NumLock Configuration options Off On Wait for F1 If Error Enabled When set to Enabled the system waits for the F1 key to be p...

Page 72: ...Clock RTC RAM See section 1 9 Jumpers for information on how to erase the RTC RAM After you have set a supervisor password the other items appear to allow you to change other security settings User Access Level Full Access This item allows you to select the access restriction to the Setup items Configuration options No Access View Only Limited Full Access No Access prevents user access to the Setu...

Page 73: ...elect and update BIOS This utility supports 1 FAT 12 16 32 r w 2 NTFS read only 3 CD DISC read only 2 9 1 ASUS EZ Flash 2 Allows you to run ASUS EZ Flash 2 When you press OK a confirmation message appears Use the left right arrow key to select between Yes or No then press OK to confirm your choice 2 9 2 Express Gate Auto Allows you to enable or disable the ASUS Express Gate feature The ASUS Expres...

Page 74: ... file to the BIOS Flash In the Name sub item type your profile name and press Enter and then choose a profile number to save your CMOS settings in the Save To sub item You can save eight 8 CMOS profiles Load CMOS Profile Allows you to load the previous BIOS settings saved in the BIOS Flash Press Enter and choose a profile to load Start O C Profile Allows you to run the utility to save and load CMO...

Page 75: ...confirmation before exiting Discard Changes This option allows you to discard the selections you made and restore the previously saved values After selecting this option a confirmation appears Select OK to discard any changes and load the previously saved values Load Setup Defaults This option allows you to load the default values for each of the parameters on the Setup menus When you select this ...

Page 76: ...2 26 ASUS M4N75TD ...

Page 77: ...AL America Address 800 Corporate Way Fremont CA 94539 USA Telephone 1 812 282 3777 Fax 1 510 608 4555 Web site usa asus com Technical Support Telephone 1 812 282 2787 Support fax 1 812 284 0883 Online support support asus com ASUS COMPUTER GmbH Germany and Austria Address Harkort Str 21 23 D 40880 Ratingen Germany Fax 49 2102 959911 Web site www asus de Online contact www asus de sales Technical S...

Page 78: ... 4 1 2007 11 EN 301 489 17 V1 3 2 2007 06 EN 301 489 24 V1 4 1 2007 09 EN 302 326 2 V1 2 2 2007 06 EN 302 326 3 V1 3 1 2007 09 EN 301 357 2 V1 3 1 2006 05 2006 95 EC LVD Directive EN 60950 1 2001 A11 2004 EN60065 2002 A1 2006 CE marking Declaration Date Feb 03 2010 Year to begin affixing CE marking 2010 Position CEO Name Jerry Shen Signature __________ EC conformity marking DECLARATION OF CONFORMI...

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