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ASUS M4A77 Owner's Manual

1. ATX12V EATXPWR E oo rot d aa 3 Volts GND aa 12 Volts 4 5 Volts Y 12 Volts C H 5 Volts 5V Standby C 5 Volts of U Power OK _ CH 5 Volts n ULT GND IC J H GND au 5 Volts GND zz GND H_ JCH GND e 5 Volts C j PSON amp GND C GND o 3 Volts 12 Volts O 3 Volts IC 3 Volts mmm m mm Mp sap 31 KA M4A77 ATX power connectors R We recommend that you use an ATX 12V Specification 2 0 compliant power supply unit PSU with a minimum of 300W power rating This PSU type has 24 pin and 4 pin power plugs If you intend to use a PSU with 20 pin and 4 pin power plugs ensure that the 20 pin power plug can provide at least 15 A on 12 V and that the PSU has a minimum power rating of 300W The system may become unstable or may not boot up if the power is inadequate DO NOT forget to connect the 4 pin ATX 12V power plug Otherwise the system will not boot up We recommend that you use a PSU with higher power output when configuring a system with more power consuming devices or when you intend to install additional devices The system may become unstable or may not boot up if the power is inadequate If you are uncertain about the minimum power supply requirement for your system refer to the Recommended Power Supply Wattage Ca
2. zz ZA E E cu ii zz 88 88 d i LE Channel Sockets Channel A DIMM A1 and DIMM A2 Channel B DIMM B1 and DIMM B2 I U co L d2z ad p em D CH De P 888 am Gu m ee M4A77 240 pin DDR2 DIMM sockets ASUS M4A77 1 11 1 12 1 7 2 Memory configurations You may install 512MB 1GB 2GB and 4GB unbuffered ECC and non ECC DDR2 DIMMs into the DIMM sockets A You may install varying memory sizes in Channel A and Channel B The system maps the total size of the lower sized channel for the dual channel configuration Any excess memory from the higher sized channel is then mapped for single channel operation Always install DIMMs with the same CAS latency For optimum compatibility 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 do any of the following Install a maximum of 3GB system memory if you are using a 32 bit Windows OS Use a 64 bit Windows OS if you want to install 4GB or more memory on the motherboard This motherboard does not support DIMMs made up of 256 megabits Mb chips or less M4A77 Motherboard Qualified Vendors Lists QVL DDR2 533MHz capabili
3. eese esee nennen nennen nnne ente 2 9 2 4 1 JumperFree Configuration esses 2 9 2 4 2 CPU Configuration sss 2 12 2 4 3 Chipset 2 13 2 4 4 Onboard Device Configuration sssesseseeereri rererere 2 14 245 POIPDP unte e RAA eite 2 14 2 4 6 USB Configuration sss 2 15 Power menu eeeeneenenn ertet rnnt tnn nrnn tete nni tetris 2 16 2 5 1 Suspend Mode NEEN 2 16 2 5 2 ACPI 2 0 Support serenana 2 16 Contents 2 5 8 ACPI APIC Support 2 16 2 5 4 APM CGonfouratton usa enea ozone sn aa ea eneaea 2 16 2 5 5 HW Monitor Configuration sse 2 17 2 6 Boot menu eee 2 6 1 Boot Device Drot 2 6 2 Boot Settings Configuration s sss 2 18 2 6 3 Security 2 7 TOONS MENU aa hir dn f E DR D Kd GE 27 1 ASUS EZ Flash 2 tee ec e 2 20 2 7 2 Express Gate sess eene 2 21 2 7 3 AUNE Seege 2 21 2 8 dei e 2 22 vi Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions This device may not cause harmful interference and This device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the
4. 10 System panel connector 20 8 pin PANEL Front panel audio connector 10 1 pin AAFP 1 27 Digital audio connector 4 1 pin SPDIF OUT 1 5 11 ASUS M4A77 1 6 Central Processing Unit CPU This motherboard supports AM3 AM2 AM2 CPUs including AMD Phenom II Athlon II Phenom Athlon Sempron processors The AM2 AM2 socket has a different pinout from the 940 pin socket designed for the AMD Opteron processor Use a CPU that is designed for the AM2 AM2 socket 1 6 1 Installing the CPU To install a CPU 1 Locate the CPU socket on the motherboard Ki oo E M4A77 CPU socket AM2 2 Press the lever sideways to unlock the Socket lever socket then lift it up to a 907 100 angle Ensure that the socket lever is lifted up to a 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 The CPU fits only in one correct orientation H DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU Small triangle Gold triangle Chapter 1 Product introduction 5 When the CPU is in place push down the socket lever to secure the CPU The lever clic
5. L e 14 13 12 11 10 9 8 1 PS 2Keyboard port purple This port is for a PS 2 keyboard 2 Parallel port This 25 pin port connects a parallel printer a scanner or other devices 3 LAN RJ 45 port This port allows Gigabit connection to a Local Area Network LAN through a network hub LAN port LED indications ACT LINK SPEED LED LED ee LED Speed LED E Description Description No link 10Mbps connection Linked 100Mbps connection BLINKING Data activity GREEN 1Gbps connection 4 Center Subwoofer port orange This port connects to the center subwoofer speakers LAN port 5 Rear Speaker Out port black This port connects to the rear speakers in the 4 6 and 8 channel audio configurations 6 Lineln port light blue This port connects to the tape CD DVD player or other audio sources 7 Line Out port lime This port connects to a headphone or a speaker In the 4 6 and 8 channel configurations the function of this port becomes Front Speaker Out Microphone port pink This port connects to a microphone Side Speaker Out port gray This port connects to the side speakers in the 8 channel audio configuration Chapter 1 Product introduction Z Refer to the audio configuration table below for the function of the audio ports in the 2 4 6 or 8 channel configuration Audio 2 4 6 or 8 channel configuration Headset 2 channel 4 channel 6 channel 8 channel Ligh
6. Kingston KVR800D2N5 1G D6408TR4CGL25USL36240 6PECXA Kingston Kingston KVR800D2N5 2G E1108ACBG 8E E Elpida Kingston KHX6400D2 2G Heat Sink Package Kingston Kingston KVR800D2N6 4G E2108ABSE 8G E Elpida Kingston KVR800D2N5 512 E5108AJBG 8E E 0803A9082 Kingston Samsung M378T6553GZS CF7 K4T51083QG HCF7 Samsung Samsung M378T2863QZS CF7 K4T1G084QQ HCF7 Samsung Samsung M391T2863QZ3 CF7 K4T1G084QQ HCF7 ECC Samsung Samsung M378T2953GZ3 CF7 K4T51083QG HCF7 Samsung Samsung M37875663QZ3 CF7 K4T1G084QQ HCF7 Samsung Samsung M391T5663QZ3 CF7 K4T1G084QQ HCF7 ECC Samsung Samsung M378T5263AZ3 CF7 K4T2G084QA HCF7 Samsung Qimonda HYS64T64000EU 2 5 B2 HYB18T512800B2F25FSS28380 Qimonda Micron MT9HTF6472AY 80ED4 6ED22D9GKX ECC Micron Micron MT9HTF12872AY 800E1 D9HNP 7YE22 ECC Micron Micron MT18HTF12872AY 80ED4 6TD22D9GKX ECC Micron Corsair Corsair XMS2 6400 XMS2 6400 Heat Sink Package Heat Sink Package Corsair Corsair 4G Kit of 2 Corsair CM2X2048 6400C5DHX Heat Sink Package Corsair 4G Kit of 2 2G Kit of 2 EPP Corsair Crucial CM2X2048 6400C5 BL12864AA804 8FE5 Heat Sink Package Heat Sink Package Corsair N A 512MB HY HYMP564U64CP8 S5 AB HY5PS12821CFP S5 Hynix 1G
7. v02 61 C Copyright 1 Submenu items Navigation keys 2 2 2 Menu bar The menu bar on top of the screen has the following main items Main For changing the basic system configuration Advanced For changing the advanced system settings Power For changing the advanced power management APM configuration Boot For changing the system boot configuration Tools For configuring options for special functions Exit For selecting the exit options and loading default settings To select an item on the menu bar press the right or left arrow key on the keyboard until the desired item is highlighted 2 2 3 Navigation keys At the bottom right corner of a menu screen are the navigation keys for that particular menu Use the navigation keys to select items in the menu and change the settings ff Some of the navigation keys differ from one screen to another ASUS M4A77 2 5 2 2 4 Menu items The highlighted item on the menu bar displays the specific items for that menu For example selecting Main shows the Main menu items The other items Advanced Power Boot Tools and Exit on the menu bar have their respective menu items 2 2 5 Submenu items A solid triangle before each item on a menu screen means that the item has a submenu To display the submenu select the item and press Enters 2 2 6 Configuration fields These fields show the values for the menu items If an item is user configurable you can change the value of the f
8. BIOS Setup menus Detailed descriptions of the BIOS parameters are also provided vii viii Conventions used in this guide To ensure that you perform certain tasks properly take note of the following symbols used throughout this manual DANGER WARNING Information to prevent injury to yourself when trying to 4 complete a task 4 CAUTION Information to prevent damage to the components when trying to Ge X complete a task R IMPORTANT Instructions that you MUST follow to complete a task LA NOTE Tips and additional information to help you complete a task Where to find more information Refer to the following sources for additional information and for product 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 or an item to select Italics Used to emphasize a word or a phrase Key Keys enclosed in the less than and greater than sign means that you must press the enclosed key Example Enter means that you must press the Enter or Return key lt Key1 gt lt Key2 gt lt Key3 gt If you must press two or more keys simultaneously the key names are link
9. FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with manufacturer s instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna ncrease the separation between the equipment and receiver Connect the equipment to an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help 4 The use of shielded cables for connection of the monitor to the graphics card is required E gt 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 equipment Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulation
10. HY HYMP512U64CP8 S5 AB HY5PS12821CFPS5 Hynix 512MB Kingmax KLDC28F A8KI5 KKA8FF1XF JFS 25A Kingmax 1G Kingmax KLDD48F B8KB5 KKB8FFBXF CFA 25U Kingmax 2G Kingmax KLDE88F B8KB5 KKB8FFBXF CFA 25U Kingmax 1G Apacer 78 01GA0 9K5 AM4B5808CQJS8E0749D Apacer 2G Apacer 78 A1GA0 9K4 AM4B5808CQJS8E0740E Apacer Transcend TS64MLQ64V8J512MB 7HD22 D9GMH Micron 1G Transcend 505649 1993 7HD22D9GMH Micron 1G Transcend TS128MLQ64V8J TQ123PJF8F0801 Transcend 1G Transcend JM800QLU 1G TQ1243PCF8 Transcend 1G Transcend TS128MLQ64V8U E1108ACBG 8E E Elpida 2G Transcend JM800QLU 2G TQ243PCF8 Transcend 2G Transcend TS256MLQ64V8U E1108ACBG 8E E Elpida 1G ADATA M20AD6G314170Q1E58 AD29608A8A 25EG80810 ADATA 1 14 VDATA M2GVD6G3H316001E52 VD29608A8A 25EG20813 continued on the next page VDATA Chapter 1 Product introduction DDR2 800MHz capability Vendor PSC Part No AL8E8F73C 8E1 A3R1GE3CFF734MAA0E PSC A DIMM support B Ei PSC PL8E8F73C 8E1 SHG772 AA3G PSC PSC PL8E8G73E 8E1 XCP271A3G A PSC PSC AL7E8E63H 10E1K A3R1GE3CFF750RABBP ECC PSC GEIL GB22GB6400C4DC GL2L64M088BA30EB GEIL GEIL GB24GB6400C4QC GL2L64M088BA30EB GEIL GEIL GB22G
11. and AMD Cool n Quiet Technology AMD 770 Chipset The AMD 770 Chipset is designed to support up to 5200MT s HyperTransport 3 0 HT 3 0 interface speed and PCI Express 2 0 x16 graphics It is optimized with AMD s latest AM3 multi core CPUs to provide excellent system performance and overclocking capabilities HyperTransport 3 0 support HyperTransport 3 0 technology provides 2 6 times more bandwidth than HT1 0 that radically improves system efficiency for a smoother and faster computing environment AMD Cool n Quiet Technology This motherboard supports the AMD Cool n Quiet technology which monitors system operation and automatically adjusts CPU voltage and frequency for a cool and quiet operating environment DDR2 1200 0 C support This motherboard supports DDR2 1200 O C that provides faster data transfer rate and more bandwidth to increase memory computing efficiency enhancing system performance in 3D graphics and other memory demanding applications S PDIF digital sound ready This motherboard provides convenient connectivity to external home theater audio systems via coaxial and optical S PDIF OUT SONY PHILIPS Digital Interface jacks The S PDIF transfers digital audio without converting it to analog format and keeps the best signal quality 64 bit CPU support 64 bit computing replaces the current 32 bit architecture delivers advanced system performance faster memory access and increased pro
12. outward to DIMM notch unlock a DIMM socket 2 Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket Unlocked retaining clip 7 4 A DIMM is keyed with a notch so that it fits in only one direction DO NOT force a DIMM into c a socket to avoid damaging the DIMM 3 Firmly insert the DIMM into the socket until the retaining clips snap back in place and the DIMM is properly seated Locked Retaining Clip 1 7 4 Removing a DIMM To remove a DIMM 1 Simultaneously press the retaining clips outward to unlock the DIMM A Support the DIMM lightly with your fingers when pressing the retaining clips The DIMM might get damaged when it flips out with extra force 2 Remove the DIMM from the socket ASUS M4A77 1 17 1 18 1 8 Expansion slots In the future you may need to install expansion cards The following sub sections describe the slots and the expansion cards that they support A Unplug the power cord before adding or removing expansion cards Failure to do so may cause you physical injury and damage motherboard components 1 8 1 Installing an expansion card To install an expansion card 1 Before installing the expansion card read the documentation that came with it and make the necessary hardware settings for the card 2 Remove the system unit cover if your motherboard is already installed in a chassis 3 Remove the bracket opposite the slot that
13. wizard will run again when you enter the Express Gate environment after Gs clearing its settings 2 7 3 AI NET2 Check Realtek LAN cable Disabled Enables or disables checking of the Realtek LAN cable during the Power On Self Test POST Configuration options Disabled Enabled ASUS M4A77 2 21 2 22 2 8 Exit menu The Exit menu items allow you to load the optimal or failsafe default values for the BIOS items and save or discard your changes to the BIOS items BIOS SETUP UTILITY _ Main Advanced Power Boot Tools Exit n Exit Options Exit system setup after saving the changes Exit amp Discard Changes Discard Changes F10 key can be used Load Setup Defaults HO LEG CZECH 2 Pressing lt Esc gt does not immediately exit this menu Select one of the options from this Geng menu or lt F10 gt from the legend bar to exit Exit amp Save Changes Once you are finished making your selections choose this option from the Exit menu to ensure the values you selected are saved to the CMOS RAM An onboard backup battery sustains the CMOS RAM so it stays on even when the PC is turned off When you select this option a confirmation window appears Select OK to save changes and exit Exit amp Discard Changes Select this option only if you do not want to save the changes that you made to the Setup program If you made changes to fields other than System Date System Time and Password the BIOS asks for
14. 4 2F8 IRQ3 3E8 IRO4 2E8 IRQ3 Parallel Port Address 378 Selects the Parallel Port base addresses Configuration options Disabled 378 278 3BC Parallel Port Mode Normal Selects the Parallel Port mode Configuration options Normal EPP ECP EPP ECP Parallel Port IRQ IRQ7 Allows BIOS to select the Parallel Port IRQ Configuration options IRQ5 IRQ7 HDAudio Controller Enabled Enables or disables the high definition audio controller Configuration options Disabled Enabled Front Panel Select HD Audio Selects the front panel type Configuration options AC97 HD Audio OnBoard LAN Controller Enabled Enables or disables the onboard LAN controller Configuration options Disabled Enabled OnBoard LAN Boot ROM Disabled Enables or disables the Onboard LAN Boot ROM Configuration options Disabled Enabled 2 4 5 PCIPnP The PCI PnP menu items allow you to change the advanced settings for PCI PnP devices The menu includes setting IRQ and DMA channel resources for either PCI PnP or legacy ISA devices and setting the memory size block for legacy ISA devices AN Take caution when changing the settings of the PCI PnP menu items Incorrect field values S can cause the system to malfunction Plug And Play O S No When this item is set to No BIOS configures all the devices in the system When this item is set to Yes and if you install a Plug and Play operating system the operati
15. 7 Digital audio connector R Ensure that the audio device of Sound playback is VIA High Definition Audio the name may be different based on the OS Go to Start gt Control Panel gt Sounds and Audio Devices gt Sound Playback to configure the setting Z The S PDIF module is purchased separately 7 Front panel audio connector 10 1 pin AAFP This connector is for a chassis mounted front panel audio I O module that supports either High Definition Audio or AC 97 audio standard Connect one end of the front panel audio UO module cable to this connector E CO D GND m PRESENCE m SENSE1_RETUR SI SENSE2_RETUR e AGND m NC m NC n SI NC AAFP PIN 1 PIN 1 o PORT1L PORT1R PORT2R ENSE SEND PORT2L MIC2 MICPWR Line out R Line out L 7 HD audio compliant Legacy AC 97 pin definition compliant definition M4A77 Analog front panel connector Z We recommend that you connect a high definition front panel audio module to this connector to avail of the motherboard high definition audio capability If you want to connect a high definition front panel audio module to this connector set the Front Panel Select item in the BIOS to HD Audio See section 2 4 4 Onboard Device Configuration for details The front panel audio I O module is purchased separately ASUS M4A77 1 27 1 28 8 CPU and
16. AID AHCI Supplementary Guide included in the folder named Manual in the support DVD Chapter 1 Product introduction 4 System panel connector 20 8 pin PANEL This connector supports several chassis mounted functions PLED SPEAKER P S PANEL CE PWRSW RESET LED a s PLED Ground IDE LED 5 m m LE LED m D Gum ea Requires an ATX power supply M4A77 System panel connector System power LED 2 pin PLED This 2 pin connector is for the system power LED Connect the chassis power LED cable to this connector The system power LED lights up when you turn on the system power and blinks when the system is in sleep mode Hard disk drive activity LED 2 pin IDE_LED This 2 pin connector is for the HDD Activity LED Connect the HDD Activity LED cable to this connector The IDE LED lights up 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 PWRSW 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 mode depending on the BIOS settings Pressing the power
17. B 2G Kit of 2 2G Kit of 2 2G Kitof2 Team KHX96002K2 2G OCZ2FX12002GK TXDD1024M1300HC6 Kingston Heat Sink Package N A Heat Sink Package N A Heat Sink Package Heat Sink Package A Due to AM2 AM3 CPU limitation only one DDR2 1200 0 C 1066 DIMM is supported per channel When four DDR2 1200 O C 1066 DIMMs are installed all DIMMs run at 800Mhz frequency by default for system stability The default DIMM frequency depends on its Serial Presence Detect SPD which is the standard way of accessing information from a memory module Under the default state some memory modules for overclocking may operate at a lower frequency than the vendor marked value SS Single sided DS Double sided DIMM support A Supports one module inserted into any slot as single channel memory configuration B Supports one pair of modules inserted into either the blue slots or the black slots as one pair of dual channel memory configuration C Supports two pairs of modules inserted into both the blue slots and the black slots as two pairs of dual channel memory configuration W Visit the ASUS website at www asus com for the latest QVL K Chapter 1 Product introduction 1 7 3 Installing a DIMM A M Unplug the power supply before adding or removing DIMMs or other system components ius Failure to do so can cause severe damage to both the motherboard and the components 1 Pressthe retaining clips
18. B6400C5DC GL2L64M088BA30EB GEIL GEIL GB24GB6400C5QC GL2L64M088BA30EB GEIL GEIL GX22GB6400DC Heat Sink Package GEIL GEIL GE22GB800C4DC Heat Sink Package GEIL GEIL GE24GB800C4QC Heat Sink Package GEIL GEIL GX22GB6400UDC Heat Sink Package GEIL GEIL GE22GB800C5DC Heat Sink Package GEIL GEIL GB24GB6400C5DC GL2L128M88BA25AB GEIL GEIL GB28GB6400C5QC GL2L128M88BA25AB GEIL GEIL GX24GB6400DC Heat Sink Package GEIL GEIL GE28GB800C5QC Heat Sink Package GEIL GEIL GE28GB800C4QC Heat Sink Package GEIL GEIL GE24GB800C4DC Heat Sink Package GEIL GEIL GE24GB800C5DC Heat Sink Package GEIL G SKILL F2 6400CL4D 2GBPK Heat Sink Package G SKILL G SKILL F2 6400CL4D 2GBHK Heat Sink Package G SKILL G SKILL F2 6400CL5D 4GBPQ Heat Sink Package G SKILL G SKILL F2 6400CL4D 4GBPK Heat Sink Package G SKILL G SKILL F2 6400CL5Q 16GNQ Heat Sink Package G SKILL 1G Kit of 2 G SKILL F2 6400CL5D 1GBNQ Heat Sink Package G SKILL 1G ocz OCZ2RPR8002GK Heat Sink Package ocz 1G ocz OCZ2G800R22GK Heat Sink Package ocz 1G ocz OCZ2P800R22GK Heat Sink Package ocz OCZ OCZ2VU8004GK Heat Sink Package OCZ OCZ OCZ2P8004GK Heat Sink Package OCZ Elixir M2Y1G64TU8H
19. BIOS file in the removable device into M4A77 ROM The BIOS file in the support DVD may not be the latest version Download the latest BIOS file from the ASUS website at www asus com The removable devices that ASUS CrashFree BIOS support vary with motherboard models For motherboards without the floppy connector prepare a USB flash disk before using this utility Recovering the BIOS To recover the BIOS 1 Turn on the system 2 Insert the support DVD to the optical drive or the removable device that contains the BIOS file to the USB port or to the floppy disk drive if supported 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 utility completes the updating process and turn on again DO NOT shut down or reset the system while updating the BIOS Doing so can cause Ce system boot failure 4 Ensure to load the BIOS default settings to ensure system compatibility and stability Select Gem the Load Setup Defaults item under the Exit menu Refer to section 2 8 Exit menu for details ASUS M4A77 2 3 2 4 2 2 BIOS setup program Use the BIOS Setup program to update the BIOS or configure its parameters The BIOS screens include navigation keys and brief online help to guide you in using the BIOS Setup program Entering BIOS Setup at startup To enter BIOS Setup at startup Pre
20. BOB 25C N2TU51280BE 25C802006Z1DV Elixir Elixir M2Y1G64TU88D5B AC 0828 GS N2TU16800E AC Elixir Elixir ASUS M4A77 M2Y2G64TU8HD5B AC 0826 SG N2TUG80DE AC Elixir 1 15 DDR2 1066MHz capability Kingston KHX8500D2 512 Heat Sink Package Chip DIMM support Brand A B Kingston Kingston KVR1066D2N7 512 E5108AJBG 1J E Elpida Kingston Kingston KHX8500D2K2 1GN KHX8500D2K2 2GN Heat Sink Package Heat Sink Package Kingston Kingston Kingston KVR1066D2N7 1G E5108AJBG 1J E Elpida Kingston Qimonda KHX8500D2 1G HYS64T128020EU 19F C Heat Sink Package HYB18T512800CF19FFSS24313 Kingston Qimonda 1G Kingmax Crucial KLED48F A8K15 BL12864AA1065 8FE5 KKA8FFIXF JFS 18A Heat Sink Package Kingmax N A 1G Transcend TX1066QLJ 2GK1GB Heat Sink Package Transced 2G kit of 2 Transcend Transcend TX1066QLU 2GK TX1066QLU 4GK Heat Sink Package Heat Sink Package Transced Transced OCZ OCZ2N10662GK Heat Sink Package OCZ GEIL GB22GB8500C5DC GB24GB8500C5QC GL2L128M88BA25AB GL2L128M88BA25AB GEIL GE22GB1066C5DC Heat Sink Package G SKILL GE24GB1066C5QC F2 8500CL5D 2GBPK Heat Sink Package Heat Sink Package N A DDR2 1200 0 C MHz capability G SKILL F2 8500CL5S 1GBPK Part No Heat Sink Package G SKILL DIMM support Chip Brand A
21. CE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies and are used only for identification or explanation and to the owners benefit without intent to infringe Contents let i Safety information About this quide iiec iiie esce ern reus asi v ER r a iri dE l ii M4A77 specifications summary Chapter 1 Product introduction 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 lg M O 1 1 Package contents Special featUreS wss eee mette 1 3 1 Product highlighiS ae i A AE R AA ttes 1 3 2 Innovative ASUS features Before you proceed 22 4 1 24 2 n2 usnsnansnu esz anar aaa ana nnns Motherboard overview eene 1 5 1 Placement direction 15 2 Screw holes ENNEN 1 5 3 Motherboard layout sse 15 4 Layout contents oerte ee Central Processing Unit CPU eene 1 6 1 Installing the CPU cese sre hes 1 6 2 Installing the heatsink and fon 1 10 EE E 1 11 1 7 1 OVeNIEW A 1 11 1 7 2 M Memory configurations sss 1 12 1 7 8 Installing a DIMM sse 1 17 1 444 Removing a DIM
22. Hieft ail M4A77 E5121 First Edition V1 October 2009 Copyright 2009 ASUSTeK Computer Inc All Rights Reserved No part of this manual including the products and software described in it may be reproduced transmitted transcribed stored in a retrieval system or translated into any language in any form or by any means except documentation kept by the purchaser for backup purposes without the express written permission of ASUSTeK Computer Inc ASUS Product warranty or service will not be extended if 1 the product is repaired modified or altered unless such repair modification of alteration is authorized in writing by ASUS or 2 the serial number of the product is defaced or missing ASUS PROVIDES THIS MANUAL AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL ASUS ITS DIRECTORS OFFICERS EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING DAMAGES FOR LOSS OF PROFITS LOSS OF BUSINESS LOSS OF USE OR DATA INTERRUPTION OF BUSINESS AND THE LIKE EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTI
23. M a s esaenesa ana ea asa tasata 1 17 Expansion slots eeeeeeer eene tnter nnnnnnes 1 18 1 8 1 Installing an expansion Card 1 18 1 8 2 Configuring an expansion Car 1 18 1 83 POlslots essssseseeen tein etat tite tenent 1 18 1 84 PCI Express x1 SlOtS aaa aa oneaaaaane nna 1 18 1 85 PCI Express x16 sot 1 18 IT 1 19 Connectors kicz ciacha zeza 1 20 1 10 1 Rear panel porte 1 20 1 10 2 Internal connechors aaa aa aaa anawa ania 1 22 Contents 1 11 Software SUpport e tente tereti peeane 1 11 1 Installing an operating system 1 11 2 Support DVD information sss Chapter 2 BIOS information 2 1 2 2 2 3 24 2 5 Managing and updating your BIOS s 2 1 2 1 1 ASUS Update ul 2 1 23 2 ASUS EZ Flash2 saa a e dtes 2 2 2 1 3 ASUS CrashFree BIOS 1 1 111111111111 2 3 BIOS setup program a dzi wl i wiska 2 2 1 BIOS menu screen 2 2 2 Menu D se ee eei eris 2 2 3 Navigation EE 2 2 4 Menu teM PEU ms 2 25 Submenu Hemes 2 2 6 Configuration fields sss 2 6 2 2 7 Pop Up WINdOW coti ttr retreat 2 6 228 Scroll bar iion e een HRS 2 2 9 General help Main menu 2 3 1 System Time 2 3 2 System Date 2 3 3 Primary IDE Master Slave SATA 1 2 3 4 5 6 2 7 2 3 4 SATA Configuration 2 8 2 3 5 System Information 2 9 Advanced menu
24. RD Auto Configuration options Auto 2 CLK S CLK 4 CLK 5 CLK tRWTTO Auto Configuration options Auto 3 CLK 17 CLK tWRRD Auto Configuration options Auto 1 CLK 2 CLK 3 CLK 4 CLK tWTR Auto Configuration options Auto 1 CLK 2 CLK 8 CLK ASUS M4A77 2 11 2 12 tWRWR Auto Configuration options Auto 1 CLK 2 CLK 3 CLK 4 CLK tRDRD Auto Configuration options Auto 3 CLK 4 CLK 5 CLK tRFCO 1 2 3 Auto Configuration options Auto 75ns 105ns 127 5ns 195ns 327 5ns Memory Over Voltage Auto Sets the memory over voltage The values range from 1 5000V to 2 4450V with a 0 0150V increment Use the lt gt lt gt keys to adjust the value Configuration options Auto Max 2 4450V Min 1 5000V Chipset Over Voltage Auto Sets the chipset over voltage Use the lt gt lt gt keys to adjust the value Configuration options Auto Max 1 61000V Min 1 10000V 2 4 2 CPU Configuration The items in this menu show the CPU related information 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 Enables or disables Microcode Updation Configuration options Disabled Enabled Secure Virtual Machine Mode Disabled Enabl
25. Slave SATA 1 2 3 4 5 6 While entering Setup the BIOS automatically detects the presence of IDE SATA devices There is a separate submenu for each IDE SATA device Select a device item then press Enter to display the IDE 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 configurable These items show Not Detected if no IDE SATA device is installed in the system Type Auto Selects the type of IDE SATA drive Setting this item to Auto allows automatic selection of the appropriate IDE SATA 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 L4 This item only appears in the Primary IDE Master Slave and SATA5 6 menus ASUS M4A77 2 7 LBA Large Mode Auto Enables or disables the LBA mode Setting this item to Auto enables the LBA mode if the device supports this mode and if the device was not previously formatted with LBA mode disabled Configuration options Disabled Auto Block Multi Sector Transfer M Auto Enables or disables data multi sectors transfers When this item is set to Auto the data transfer from and to the device occurs multiple sectors at a time if th
26. Supports up to 12 USB 2 0 1 1 ports 6 ports at mid board 6 ports at the back panel Realtek RTL8112L PCle Gigabit LAN controller ASUS Quiet Thermal Solution ASUS Q Fan ASUS EZ DIY ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS Al NET2 ASUS Turbo Key ASUS MyLogo 2 ASUS EPU 4 Engine ASUS Express Gate continued on the next page M4A77 specifications summary Back panel I O ports Internal HO connectors Accessories Support DVD Form factor 1 x PS 2 Keyboard port 1 x LPT port 1 x COM port 1 x LAN RJ 45 port 1 x Optical S PDIF Out port 6 x USB 2 0 1 1 ports 8 channel audio I O ports 3 x USB 2 0 1 1 connectors support additional 6 USB 2 0 1 1 ports 1 x IDE connector 6 x SATA connectors 1 x Front panel audio connector 1 x System panel connector 1 x CPU fan connector 1 x Chassis fan connector 1 x S PDIF Out connector 1 x 24 pin EATX power connector 1 x 4 pin ATX 12V power connector 8Mb Flash ROM AMI BIOS PnP DMI v2 0 WfM2 0 SM BIOS v2 5 ACPI v2 0a 1 x Ultra DMA 133 100 cable 2 x Serial ATA cables 1 x I O shield 1 x User Manual Drivers ASUS Update ASUS PC Probe II Anti Virus software OEM version ATX form factor 12 in x 8 4 in 30 6 cm x 21 4 cm Specifications are subject to change without notice Product introduction 1 1 Welcome Thank you for buying an ASUS M4A77 motherboard The motherboard delivers a host of new features and latest techno
27. a 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 option or if you press F5 a confirmation window appears Select OK to load default values Select Exit amp Save Changes or make other changes before saving the values to the non volatile RAM Chapter 2 BIOS information
28. access to the Setup utility View Only allows access but does not allow change to any field Limited allows changes only to selected fields such as Date and Time Full Access allows viewing and changing all the fields in the Setup utility ASUS M4A77 2 19 2 20 Change User Password Select this item to set or change the user password The User Password item on top of the screen shows the default Not Installed After you set a password this item shows Installed To set a User Password 1 Select the Change User Password item and press Enter 2 Onthe password box key in a password containing up to six letters or numbers or both then press Enter 3 Confirm the password when prompted The message Password Installed appears after you set your password successfully To change the user password follow the same steps as in setting a user password Clear User Password Select this item to clear the user password Password Check Setup When this item is set to Setup BIOS checks for user password when accessing the Setup utility When this item is set to Always BIOS checks for user password both when accessing Setup and booting the system Configuration options Setup Always 2 7 Tools menu The Tools menu items allow you to configure options for special functions Select an item then press Enter to display the submenu BIOS SETUP UTILITY Main Advanced Power Boot Tools Exit i ASUS EZ Flash 2
29. ate time and system setup parameters by erasing the CMOS RTC RAM data The onboard button cell battery powers the RAM data in CMOS which include system setup information such as system passwords KE oo i a n ET CLRTC co ar o 12 23 D EJ a Normal Clear RTC ca us a uy Default M4A77 Clear RTC RAM To erase the RTC RAM 1 Turn OFF the computer and unplug the power cord 2 Move the jumper cap from pins 1 2 default to pins 2 3 Keep the cap on pins 2 3 for about 5 10 seconds then move the cap back to pins 1 2 3 Plug the power cord and turn ON the computer 4 Hold down the Del key during the boot process and enter BIOS setup to reenter data Except when clearing the RTC RAM never remove the cap on CLRTC jumper default Cs position Removing the cap will cause system boot failure 4 If the steps above do not help remove the onboard battery and move the jumper again z to clear the CMOS RTC RAM data After clearing the CMOS reinstall the battery You do not need to clear the RTC when the system hangs due to overclocking For system failure due to overclocking use the CPU Parameter Recall C P R feature Shut down and reboot the system so the BIOS can automatically reset parameter settings to default values ASUS M4A77 1 19 1 20 1 10 Connectors 1 10 1 Rear panel ports 2
30. bled Enabled 2 6 3 Security The Security menu items allow you to change the system security settings Select an item then press Enter to display the configuration options Change Supervisor Password Select this item to set or change the supervisor password The Supervisor Password item on top of the screen shows the default Not Installed After you set a password this item shows Installed To set a Supervisor Password 1 Select the Change Supervisor Password item and press Enter 2 Onthe password box key in a password containing up to six letters or numbers or both then press Enter 3 Confirm the password when prompted The message Password Installed appears after you successfully set your password To change the supervisor password follow the same steps as in setting a supervisor password To clear the supervisor password select the Change Supervisor Password then press Enter twice The message Password uninstalled appears N If you forget your BIOS password you can clear it by erasing the CMOS Real Time 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
31. bles for Serial ATA 3Gb s hard disk and optical disk drives The Serial ATA 3Gb s is backward compatible with Serial ATA 1 5Gb s specification The data transfer rate of the Serial ATA 3Gb s is faster than the standard parallel ATA with 133 MB s Ultra DMA133 If you install Serial ATA hard disk drives you can create RAID 0 RAID 1 and RAID 0 1 configurations through the onboard SB710 chipset E ZZ H 1 SATA1 SATA2 SATA3 zi ZE z SE ze 2g 88 ER 88 ER ER ER 2550550 552552 o55o55o g225283 3223283 3223228 EE p E O c3 Le SATA4 SATA5 SATA6 ud Ff M4A77 SATA connectors R RSATA_TXN4 GND RSATA_RXP4 RSATA_RXN4 GND GND RSATA_RXP5 GND RSATA_TXN6 RSATA_RXN6 GND RSATA_TXP4 RSATA_TXP5 RSATA_TXN5 RSATA_RXN5 RSATA_TXP6 RSATA_RXP6 Install the Windows XP Service Pack 2 or later versions before using Serial ATA If you intend to create a Serial ATA RAID set using these connectors set the type of the SATA connectors in the BIOS to RAID See section 2 3 4 SATA Configuration for details The motherboard does not provide a floppy disk drive connector You could use a USB floppy disk drive when installing Windows XP operating system on a hard disk drive that includes a RAID AHCI set Due to Windows XP limitation Windows XP may not recognize the USB floppy disk drive For more details on RAID AHCI refer to the R
32. cer AU01GE667C5KBGC AM4B5708GQJS7E0636B Apacer Apacer AU01GE667C5KBGC AM4B5708MIJS7E0627B Apacer Apacer 78 A1G90 9K4 AM4B5808CQJS7E0749B Apacer Transcend 506010 4894 E5108AJBG 6E E Elpida ADATA M20AD5G3H316001C52 AD29608A8A 3EG20813 ADATA ADATA M20AD5G314170Q1C58 M20AD5H3J417011C53 AD29608A8A 3EG80814 AD20908A8A 3EG 30724 ADATA AL6E8E63J 6E1 A3R12E3JFF717B9A00 AL7E8E63J 6E1 AL7E8F73C 6E1 A3R12E3JFF717B9A01 A3R1GE3CFF734MAAOJ NT512T64U88A1BY 3C NT5TU64M8AE 3C GEIL NT1GT64U8HBOBY 3C GX21GB5300SX NTS5TU64M8BE 3C72155700CP Heat Sink Package GEIL GEIL GX24GB5300LDC Heat Sink Package GEIL G SKILL 4G kitof2 G SKILL F2 5400PHU2 2GBNT F2 5300CL5D 4GBMQ D2 64M8CCF 0815 C7173S Heat Sink Package G SKILL G SKILL 512MB Twinmos 8D A3JKSMPETP A3R12E3GEF633ACAOY PSC Samsung ELIXIR M378T5263AZ3 CE6 M2Y1G64TU8HA2B 3C K4T2G084QA HCE6 M2TU51280AE 3C717095R28F Samsung ELIXIR ELIXIR M2Y1G64TU8HBOB 3C N2TU51280BE 3C639009W1CF ELIXIR Leadmax ASUS M4A77 LRMP512U64A8 Y5 HY5PS12821CFP Y5 C 702AA Hynix 1 13 DDR2 800MHz capability Vendor Kingston Part No KHX6400D2LL 1G Heat Sink Package DIMM support A EN c Kingston Kingston KHX6400D2LLK2 1GN Heat Sink Package Kingston Kingston KVR800D2N6 512 E5108AJBG 8E E Elpida
33. ces installed in the system Configuration options Removable Dev Hard Drive ATAPI CD ROM Disabled A To select the boot device during system startup press F8 when ASUS Logo appears To access Windows OS in Safe Mode do any of the following Press lt F5 gt when ASUS Logo appears Press lt F8 gt after POST 2 6 2 Boot Settings Configuration Quick Boot Enabled Enabling this item allows the BIOS to skip some power on self tests POST while booting to decrease the time needed to boot the system When this item is set to Disabled BIOS performs all the POST items Configuration options Disabled Enabled Full Screen Logo Enabled Enables or disables the full screen logo display feature Configuration options Disabled Enabled A Set this item to Enabled to use the ASUS MyLogo2 feature AddOn ROM Display Mode Force BIOS Sets the display mode for option ROM Configuration options Force BIOS Keep Current Chapter 2 BIOS information Bootup Num Lock On Selects the power on state for the NumLock Configuration options Off On Wait for F1 If Error Enabled When this item is set to Enabled the system waits for the F1 key to be pressed when error occurs Configuration options Disabled Enabled Hit DEL Message Display Enabled When this item is set to Enabled the system displays the message Press DEL to run Setup during POST Configuration options Disa
34. chassis fan connectors 4 pin CPU FAN and 3 pin CHA FAN Connect the fan cables to the fan connectors on the motherboard ensuring that the black wire of each cable matches the ground pin of the connector CPU FAN CHA FAN GND CPU FANPWR CPU FAN IN CPU FAN PWM GND 12V Rotation B Hi 78us TE A O E Doc BSS mamm mm mm mm se M4A77 fan connectors place jumper caps on the fan connectors LA Only the 4 pin CPU fan supports the ASUS Q Fan feature DO NOT forget to connect the fan cables to the fan connectors Insufficient air flow inside the system may damage the motherboard components These are not jumpers DO NOT Chapter 1 Product introduction 1 11 Software support 1 11 1 Installing an operating system This motherboard supports Windows XP Vista 7 Operating Systems OS Always install the latest OS version and corresponding updates to maximize the features of your hardware 4 Motherboard settings and hardware options vary Refer to your OS documentation for detailed information Ensure that you install Windows XP Service Pack 3 or later versions Windows Vista Service Pack 1 or later versions before installing the drivers for better compatibility and system stability 1 11 2 Support DVD information The Support DVD that comes with the motherboard package contains the drivers sof
35. ductivity This motherboard provides excellent compatibility and flexibility by supporting both 64 bit and 32 bit architecture Chapter 1 Product introduction SERIAL Em LJ 10000 PC Dsg ASUS M4A77 Serial ATA 3Gb s technology This motherboard supports hard drives based on the Serial ATA SATA 3Gb s storage specifications delivering enhanced salability and doubling the bus bandwidth for high speed data saving and retrieval 8 channel high definition audio The onboard 8 channel HD audio High Definition Audio previously codenamed Azalia CODEC enables high quality 192KHz 24 bit audio output and jack detect feature that automatically detects and identifies what types of peripherals are plugged into the audio I O jacks and notifies users of inappropriate connection which means there will be no more confusion of Line in Line out and Mic jacks Gigabit LAN solution The onboard LAN controller is a highly integrated Gb LAN controller It is enhanced with an ACPI management function to provide efficient power management for advanced operating systems PCI Express 2 0 support This motherboard supports PCI Express 2 0 devices for double speed and bandwidth which enhances system performance Innovative ASUS features ASUS Express Gate ASUS Express Gate is an instant on environment that gives you quick access to the Internet Five seconds after powering on your computer you can instantly surf the Internet w
36. e Retention bracket lock 4 Your boxed CPU heatsink and fan assembly should come with installation instructions for the CPU heatsink and the retention mechanism If the instructions in this section do not match the CPU documentation follow the latter 2 Attach one end of the retention bracket to the retention module base Chapter 1 Product introduction 3 Align the other end of the retention bracket to the retention module base A clicking sound denotes that the retention bracket is in place R 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 to the connector on the motherboard labeled CPU FAN R DO NOT forget to connect the CPU fan connector Hardware monitoring errors can occur if you fail to plug this connector 1 7 System memory 1 7 1 Overview The motherboard comes with four Double Data Rate 2 DDR2 Dual Inline Memory Modules DIMM sockets A DDR2 module has the same physical dimensions as a DDR DIMM but has a 240 pin footprint compared to the 184 pin DDR DIMM DDR2 DIMMs are notched differently to prevent installation on a DDR DIMM socket The figure illustrates the location of the DDR2 DIMM sockets
37. e device supports multi sector transfer feature When this item is set to Disabled the data transfer from and to the device occurs one sector at a time Configuration options Disabled Auto PIO Mode Auto Selects the PIO mode Configuration options Auto 0 1 2 3 4 DMA Mode Auto Selects the DMA mode Configuration options Auto SMART Monitoring Auto Sets the Smart Monitoring Analysis and Reporting Technology Configuration options Auto Disabled Enabled 32Bit Data Transfer Enabled Enables or disables 32 bit data transfer Configuration options Disabled Enabled 2 3 4 SATA Configuration The SATA Configuration menu allows you to configure your storage devices Select an item then press Enter to display the submenu OnChip SATA Channel Enabled Enables or disables OnChip SATA Channel Configuration options Disabled Enabled 4 The following two items only appear when you set OnChip SATA Channel to Enabled SATA Port1 Port4 IDE Sets the SATA 1 4 type Configuration options IDE RAID AHCI 4 When this item is set to IDE SATA 5 6 can only be set to IDE SATA Port5 Port6 IDE Sets the SATA 5 6 type Configuration options IDE RAID AHCI V When this item is set to AHCI SATA 5 6 can only be used under OS with AHCI driver installed Sets this item to IDE to use SATA 5 6 before entering OS Chapter 2 BIOS information 2 3 5 System Information This menu
38. ed with a plus sign Example lt Ctrl gt lt Alt gt lt D gt M4A77 specifications summary Chipset Front Side Bus Memory Expansion slots Storage ASUS unique features AMD AM3 AM2 AM2 Phenom II Athlon II Phenom Athlon Sempron Family processors AMD Cool n Quiet Technology Refer to www asus com for the AMD CPU support list AMD 770 SB710 Up to 5200MT s HyperTransport 3 0 interface for AM2 AM3 CPU 2000 1600 MT s for AM2 CPU Dual channel memory architecture 4 x 240 pin DIMM slots support maximum 16GB unbuffered ECC and non ECC DDR2 1200 0 C 1066 800 667MHz memory modules DDR 1200 0 C 1066 is supported by AM3 AM2 CPU for one DIMM per channel only Refer to www asus com for the latest Memory QVL Qualified Vendors List When you install a total memory of 4GB or more Windows 32 bit operating system may only recognize less than 3GB We recommend a maximum of 3GB system memory if you are using a Windows 32 bit operating system 1 x PCI Express x16 slot 2 x PCI Express x1 slots 3 x PCI slots 1 x Ultra DMA 133 100 connector 6 x Serial ATA 3Gb s connectors support RAID 0 RAID 1 RAID 0 1 and JBOD configurations VT1818S High Definition Audio 8 channel CODEC Blu ray disc audio layer Content Protection Optical S PDIF out port at back I O Supports Jack detection Multi streaming and Front Panel Jack Retasking technologies
39. es or disables Secure Virtual Machine Mode SVM Configuration options Disabled Enabled Cool n Quiet Enabled Enables or disables the AMD Cool n Quiet technology Configuration options Enabled Disabled CPU Prefetching Enabled Enables or disables the CPU prefetching Configuration options Enabled Disabled C1E Configuration Disabled Enables or disables the CPU Enhanced Halt C1E function a CPU power saving function in system halt state When this item is enabled the CPU core frequency and voltage will be reduced during the system halt state to decrease power consumption Configuration options Disabled Enabled Advanced Clock Calibration Disabled Adjusts the processor s overclocking capability When this item is set to Auto the BIOS automatically adjusts this function When this item is set to All Cores the processor has the best overclocking performance When this item is set to Per Core the processor s overclocking capability is enhanced Configuration options Disabled Auto All Cores Per Core Chapter 2 BIOS information 2 4 3 Chipset NorthBridge Configuration Memory Configuration Bank Interleaving Auto Allows you to enable the bank memory interleaving Configuration options Disabled Auto Channel Interleaving XOR of Address bit Allows you to enable the channel memory interleaving Configuration options Disabled Address bits 6 Address bits 12 XOR of Address b
40. f you do not wish to display the detected speed VCORE Voltage 3 3V Voltage 5V Voltage 12V Voltage xx xxxV or Ignored The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators Select Ignored if you do not want the detected voltage to be displayed Smart Q Fan Function Disabled Allows you to enable or disable the ASUS Q Fan feature that smartly adjusts the fan speeds for more efficient system operation Configuration options Disabled Enabled Fan Auto Mode Start Voltage 5 0V Allows you to select the fan auto mode start voltage Configuration options 4 0 V 4 5V 5 0V 5 5 V 6 0V Fan Auto Mode Start Speed Temp 25 C Allows you to set the smart Q Fan start working temperature Configuration options 25 C 48 C Fan Auto Mode Full Speed Temp 55 C Allows you to set the smart Q Fan full speed temperature Configuration options 51 C 75 C ASUS M4A77 2 17 2 18 2 6 Boot menu The Boot menu items allow you to change the system boot options Select an item then press Enter to display the sub menu Main Advanced Boot Tools J Boot Device Priority v02 61 C Copyright 1985 2009 American Megatrends Inc 2 6 1 Boot Device Priority 1st xxth Boot Device xxx Drive These items specify the boot device priority sequence from the available devices The number of device items that appears on the screen depends on the number of devi
41. gives you an overview of the general system specifications The BIOS automatically detects the items in this menu BIOS Information Displays the auto detected BIOS information Processor Displays the auto detected CPU specification System Memory Displays the auto detected system memory 2 4 Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices A Take caution when changing the settings of the Advanced menu items Incorrect field values can cause the system to malfunction BIOS SETUP UTILITY Power Boot Tools Exit umperFree Configuration v02 61 C Copyright 1985 2009 American Megatrends Inc JumperFree Configuration The items and configuration options in this menu may vary depending on the AMD CPU type NIE CPU Overclocking Auto Selects the CPU overclocking options to achieve desired CPU internal frequency Configuration options Manual Auto Overclock Profile Test Mode ASUS M4A77 2 9 2 10 LA The following item only appears when you set CPU Overclocking to Manual CPU HT Reference Clock MHz 200 Sets the CPU HT Reference Clock Configuration options Min 200 Max 550 ff The following item only appears when you set CPU Overclocking to Overclock Profile Overclock Options Auto Selects the overclocking profile Configuration options Auto Overclock 2 Overclock 5 Overclock 8 Overclock 10 PCIE Overcloc
42. ield opposite the item You cannot select an item 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 7 Pop up window 2 2 7 Pop up window Select a menu item then press Enter to display a pop up window with the NEAR p ZE configuration options for that item 2 2 8 Scroll bar Shon Ascroll bar appears on the right side of a menu screen when there are items that do not fit on the screen Press the Up OE ET TCO E Down arrow keys or Page Up Page Popup winds Scroll bar Down keys to display the other items on the screen Cool e CIE Configuration Advanced Clock Calibration 2 2 9 General help At the top right corner of the menu screen is a brief description of the selected item Chapter 2 BIOS information 2 3 Main menu When you enter the BIOS Setup program the Main menu screen appears giving you an overview of the basic system information A Refer to section 2 2 1 BIOS menu screen for information on the menu screen items and how to navigate through them BIOS SETUP UTILITY Advanced Power Boot Tools Exit v02 61 C Copyright 1985 2009 American Megatrends Inc 2 3 1 System Time xx xx xx Allows you to set the system time 2 3 2 System Date Day xx xx xxxx Allows you to set the system date 2 3 3 Primary IDE Master
43. initialize Configuration options 10 Sec 20 Sec 30 Sec 40 Sec Emulation Type Auto Allows you to set the emulation type Configuration options Auto Floppy Forced FDD Hard Disk CDROM ASUS M4A77 2 15 2 16 2 5 Power menu The Power menu items allow you to change the settings for the Advanced Configuration and Power Interface ACPI and the Advanced Power Management APM Select an item then press Enter to display the configuration options BIOS SETUP UTILITY Main Advanced Boot Tools Exit Power Settings Select the ACPI state used for System Suspend ACPI 2 0 Support Enabled ACPI APIC support Enabled APM Configuration gt HW Monitor Configuration Select Screen Select Item Change Option General Help Save and Exit Exit v02 61 C Copyright 1985 2009 American Megatrends Inc 2 5 1 Suspend Mode Auto Selecta the Advanced Configuration and Power Interface ACPI state to be used for system suspend Configuration options 81 POS Only S3 Only Auto 2 5 2 ACPI 2 0 Support Enabled Enables or disables the Advanced Configuration and Power Interface ACPI 2 0 support Configuration options Disabled Enabled 2 5 3 ACPI APIC Support Enabled Enables or disables the Advanced Configuration and Power Interface ACPI support in the Advanced Programmable Interrupt Controller APIC When this item is set to Enabled the ACPI APIC table pointer is included in the RSDT pointe
44. ithout entering the Windows OS ASUS Express Gate supports installation on SATA HDDs USB HDDs and flash drives with at least 1 2GB free disk space When installing it on USB HDDs or flash drives connect the drives to the motherboard USB port before turning on the computer The actual boot time depends on the system configuration ASUS Express Gate supports file uploading from SATA HDDs ODDs and USB drives It supports file downloading to USB drives only ASUS Express Gate complies with the OpenGL standard Refer to support asus com for Express Gate source codes ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore a corrupted BIOS file using the bundled support DVD or a USB flash disk that contains the BIOS file e oreen Gel RoHS Gomplii ASUS EZ Flash 2 ASUS EZ Flash 2 allows you to update the BIOS from a USB flash disk before entering the OS ASUS EPU ASUS EPU is a unique power saving technology that detects the current System loadings and adjusts the power consumption in real time ASUS Turbo Key ASUS Turbo Key allows you to turn the PC power button into an overclocking button After the easy setup Turbo Key boosts performances without interrupting ongoing work or games simply through pressing the button ASUS MyLogo 2 Turn your favorite photos into 256 color boot logos to personalize your system ASUS Q Fan ASUS Q Fan technology intellige
45. its 20 16 6 XOR of Address bits 20 16 9 Enable Clock to All DIMMs Disabled Enables unused Clocks to DIMMs even though memory slots are not populated Configuration options Disabled Enabled MemcClk Tristate C3 ATLVID Disabled Enables or disables MemCIk Tri Stating during C3 and Alt VID Configuration options Disabled Enabled Memory Hole Remapping Enabled Enables or disables memory remapping around memory hole Configuration options Disabled Enabled DCT Unganged Mode Always Enables or disables the unganged DRAM mode 64 bit width Configuration options Auto Always Power Down Enable Disabled Enables or disables the DDR power down mode Configuration options Disabled Enabled ECC Configuration ECC Mode Disabled Enables or disables the DRAM ECC that allows the hardware to report and correct memory errors automatically Configuration options Disabled Basic Good Super Max User Primary Display Adapter GFX GPP PCI Allows you to set the primary display adapter Configuration options GFX GPP PCI GPP GFX PCI PCI GFX GPP V GFX primary display adapter on the PCle x16_1 slot GPP primary display adapter on the PCle x16_2 or PCle x1 slot PCI primary display adapter on the PCI slot ASUS M4A77 2 13 2 4 4 Onboard Device Configuration Serial Port1 Address 3F8 IRQ4 Selects the Serial Port base address Configuration options Disabled 3F8 IRQ
46. king Auto Sets the PCIE overclocking Configuration options Auto Manual A The following item only appears when you set PCIE Overclocking to Manual PCIE Clock 100 Sets the PCIE Clock Configuration options Min 100 Max 150 Processor Frequency Multiplier Auto Sets the processor frequency multiplier Configuration options Auto x8 0 1600MHz x8 5 1700MHz x34 5 6900MHz x35 0 7000MHz CPU NB Frequency Auto Sets the CPU NorthBridge frequency Configuration options Auto x4 0 800MHz x5 0 1000MHz x6 0 1200MHz x7 0 1400MHz x8 0 1600MHz x9 0 1800MHz x10 0 2000MHz CPU Over Voltage Auto Sets the CPU over voltage The valid value ranges vary depending on your CPU model Use lt gt I lt gt keys to adjust the value Configuration options Auto VDDNB Over Voltage Auto Sets the VDDNB over voltage The valid value ranges vary depending on your CPU model Use lt gt lt gt keys to adjust the value Configuration options Auto CPU VDDA Voltage Auto Sets the CPU VDDA voltage Use lt gt lt gt keys to adjust the value Configuration options Auto Min 2 5V Max 2 8V LoadLine Calibration Auto Sets the LoadLine The values range from 0 to 100 with a 3 225 increment Use the lt gt I lt gt keys to adjust the value Configuration options Auto Max 100 Min 0 HT Link Frequency Auto Sets the HyperTransport link speed Configuration options A
47. ks on the side tab to indicate that it is locked 6 Install a CPU heatsink and fan following the instructions that comes with the heatsink package You can also refer to section 1 6 2 Installing heatsink and fan for instructions K Connect the CPU fan cable to the CPU FAN connector on the motherboard H G H Q U C z Z m CPU FAN PWR CPU FAN IN CPU FAN PWM GND Bi mem mm mm mm ep 3 M4A77 CPU fan connector R DO NOT forget to connect the CPU fan connector Hardware monitoring errors can occur if you fail to plug this connector ASUS M4A77 1 10 1 6 2 Installing the heatsink and fan Ensure that you use only AMD certified heatsink and fan assembly To install the CPU heatsink and fan 1 Place the heatsink on top of the installed CPU ensuring 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 f you purchased a separate CPU heatsink and fan assembly ensure that a Thermal Interface Material is properly applied to the CPU heatsink or CPU before you install the heatsink and fan assembly CPU Fan CPU Heatsink Retention bracket Retention Module Bas
48. lculator at http support asus com PowerSupplyCalculator PSCalculator aspx SLanguagezen us for details Chapter 1 Product introduction 2 IDE connector 40 1 pin PRI IDE The onboard IDE connector is for Ultra DMA 133 100 signal cable There are three connectors on each Ultra DMA 133 100 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 Master Black Slave Gray Cable Select Two devices Master Master Black or gra Slave Slave id L4 Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA a cable connector This prevents incorrect insertion when you connect the IDE cable Use the 80 conductor IDE cable for Ultra DMA 133 100 IDE devices A If any device jumper is set as Cable Select ensure that all other device jumpers have the same setting E me E T EJ 0 a PRI_IDE TE mer PIN1 Qa CH CH He NOTE Orient the red markings Lom m m SSD gp the IDE ribbon cable to PIN 1 M4A77 IDE connector M 0 w ASUS M4A77 1 23 1 24 3 Serial ATA connectors 7 pin SATA1 SATA2 SATA3 SATA4 SATA5 SATA6 These connectors are for the Serial ATA signal ca
49. logies making it another standout in the long line of ASUS quality motherboards Before you start installing the motherboard and hardware devices on it check the items in your package with the list below 1 2 Package contents Check your motherboard package for the following items Motherboard ASUS M4A77 motherboard Cables 2 x Serial ATA cables 1 x Ultra DMA 133 100 cable Accessories 1 x I O shield Application DVD ASUS motherboard Support DVD Documentations User Manual 4 If any of the above items is damaged or missing contact your retailer 1 3 Special features 1 3 1 Product highlights AMD Phenom II Athlon I Sempron 100 series AM3 m EE CPU This motherboard supports AMD AM3 multi core processors with unique L3 cache and delivers better overclocking capabilities with less power consumption It features dual channel DDR2 1066 memory support and accelerates data transfer rate up to 5200MT s via HyperTransport 3 0 based system bus This motherboard also supports AMD CPUs in the new 45nm manufacturing process ASUS M4A77 1 1 AMD AMD RA EH Upto 5200 MT s otii DOR2 1200 0C AMD Phenom X4 Phenom X3 Athlon X2 Athlon Sempron processors socket AM2 AM2 This motherboard supports AMD Socket AM2 multi core processors It features dual channel DDR2 1066 memory support data transfer rate up to 5200MT s via HyperTransport 3 0 based system bus
50. ng system configures the Plug and Play devices not required for boot Configuration options No Yes Chapter 2 BIOS information 2 4 6 USB Configuration The items in this menu allows you to change the USB related features Select an item then press Enter to display the configuration options A The Module Version and USB Devices Enabled items show the auto detected values If no USB device is detected the item shows None USB Functions Enabled Enables or disables the USB functions Configuration options Disabled Enabled USB 2 0 Controller Enabled Enables or disables the USB 2 0 controller Configuration options Disabled Enabled Legacy USB Support Auto Enables or disables support for Legacy USB storage devices including USB flash drives and USB hard drives Setting this item to Auto allows the system to detect the presence of USB devices at startup If detected the USB controller legacy mode is enabled If no USB device is detected the legacy USB support is disabled Configuration options Disabled Enabled Auto USB 2 0 Controller Mode HiSpeed Configures the USB 2 0 controller in HiSpeed 480Mbps mode or FullSpeed 12Mbps mode Configuration options FullSpeed HiSpeed A The following items only appear when a USB storage device is plugged in USB Mass Storage Device Configuration USB Mass Storage Reset Delay 20 Sec Sets the maximum time that the BIOS waits for the USB storage device to
51. nternet e Service Provider ISP This utility is available in the support DVD that comes with the motherboard package Installing ASUS Update To install ASUS Update 1 Place the support DVD into the optical drive The Drivers menu appears 2 Click the Utilities tab then click ASUS Update 3 Follow the onscreen instructions to complete the installation 4 Quit all Windows applications before you update the BIOS using this utility Updating the BIOS To update the BIOS 1 From the Windows desktop click Start gt Programs gt ASUS gt ASUS Update gt ASUS Update to launch the ASUS Update utility 2 From the dropdown list select either of the following methods Updating from the Internet a Select Update BIOS from the Internet then click Next b Select the ASUS FTP site nearest you to avoid network traffic or click Auto Select then click Next c From the FTP site select the BIOS version that you want to download then click Next ASUS M4A77 2 1 Z 3 2 1 2 The ASUS Update utility is capable of updating itself through the Internet Always update the utility to avail all its features Updating from a BIOS file a b Select Update BIOS from a file then click Next Locate the BIOS file from the Open window then click Open Follow the onscreen instructions to complete the updating process ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you to update the BIOS wi
52. ntly adjusts CPU fan speeds according to system loading to ensure a quiet cool and efficient operation ASUS AI NET 2 ASUS AI NET 2 remotely detects the cable connection immediately after you turn on the system and any faulty cable connections are reported back up to 100 meters at 1 meter accuracy C P R CPU Parameter Recall The BIOS C P R feature automatically restores the CPU default settings when the system hangs due to overclocking failure C P R eliminates the need to open the system chassis and clear the RTC data Simply shut down and reboot the system and the BIOS automatically restores the CPU parameters to their default settings Green ASUS This motherboard and its packaging comply with the European Union s Restriction on the use of Hazardous Substances RoHS This is in line with the ASUS vision of creating environment friendly and recyclable products packaging to safeguard consumers health while minimizing the impact on the environment Chapter 1 Product introduction 1 4 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings Unplug the power cord from the wall socket before touching any component e Before handling components use a grounded wrist strap or touch a safely grounded object or a metal object such as the power supply case to avoid damaging them due to static electricity Hold components by the edges
53. ord These devices could interrupt the grounding circuit Ensure that your power supply is set to the correct voltage in your area If you are not sure about the voltage of the electrical outlet you are using contact your local power company If the power supply is broken do not try to fix it by yourself Contact a qualified service technician or your retailer 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 that 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 circuitry Avoid dust humidity and temperature extremes Do not place the product in any area where it may become wet Place the product on a stable surface If you encounter technical problems with the product contact a qualified service technician or your retailer About this guide This user guide contains the information you need when installing and configuring the motherboard How this guide is organized This guide contains the following parts Chapter 1 Product introduction This chapter describes the features of the motherboard and the new technology it supports Chapter 2 BIOS information This chapter tells how to change system settings through the
54. r 1 Product introduction 1 5 3 Motherboard layout A KB USB56 sPDIF_O 5 FIEIS 4 e A 4 SECIE E lslsls f gt ajajaja j u s ls lele 3 5 amp 8 FATHIA 2 i ell a USB34 2 2 2 2 2 EIS ajo ajo e LAN1_USB12 a a a a 4 HIE Mul N Q AUDIO oo E AMD en 2 770 cal amp s ICI wen ET CO 8 PCIEX1 1 Cp CO DC p z PCIEX16 ABUS PCIEX1 2 M4A77 Bo AMD 3 gt SB710 POH rop SATAA SATA Gel va sep our O vrietes ta eTe Ss LH PANEL USB78 USB1112 USB910 cirte PRIDE TART HEET HEET EET PI Lag i i Y 1 5 4 Layout contents Connectors Jumpers Slots LED 1 ATX power connectors 24 pin EATXPWR 4 pin ATX12V 2 AMD CPU socket 8 3 CPU and chassis fan connectors 4 pin 9 CPU FAN 3 pin CHA FAN 4 DDR2DIMM sockets 5 Onboard LED 6 Serial ATA connectors 7 pin SATA1 SATA2 SATA3 SATA4 SATA5 SATA6 Connectors Jumpers Slots LED IDE connector 40 1 pin PRI_IDE Clear RTC RAM CLRTC USB connectors 10 1 pin USB78 USB910 USB1112
55. r list Configuration options Disabled Enabled 2 5 4 APM Configuration Restore on AC Power Loss Power Off When this item set to Power Off the system goes into off state after an AC power loss When this item set to Power On the system goes on after an AC power loss Configuration options Power Off Power On Last State Power on From S5 By PME Disabled Enables or disables PME wake from sleep states Configuration options Disabled Enabled Power on From S5 By Ring Disabled Enables or disables ring to generate a wake event Configuration options Disabled Enabled Chapter 2 BIOS information Power on By PS 2 Keyboard Disabled Enables or disables PS 2 Keyboard to generate a wake event Configuration options Disabled Space Bar Power Key Ctrl Esc Power on From S5 By RTC Alarm Disabled Enables or disables RTC to generate a wake event Configuration options Disabled Enabled 2 5 5 HW Monitor Configuration CPU MB Temperature xxx C xxx F or Ignored The onboard hardware monitor automatically detects and displays the motherboard and CPU temperatures Select Ignored if you do not want the detected temperatures to be displayed CPU Chassis Fan Speed xxxxRPM or Ignored The onboard hardware monitor automatically detects and displays the CPU Chassis fan speeds in rotations per minute RPM If the fan is not connected to the motherboard the field shows N A Select Ignored i
56. s of the Canadian Department of Communications This class B digital apparatus complies with Canadian ICES 003 REACH Complying with the REACH Registration Evaluation Authorisation and Restriction of Chemicals regulatory framework we published the chemical substances in our products at ASUS REACH website at http green asus com english REACH htm DO NOT throw the motherboard in municipal waste This product has been designed to enable proper reuse of parts and recycling This symbol of the crossed out wheeled bin indicates that the product electrical and electronic equipment should not be placed in municipal waste Check local regulations for disposal of electronic products DO NOT throw the mercury containing button cell battery in municipal waste This symbol of the crossed out wheeled bin indicates that the battery should not be placed in municipal waste Safety information Electrical safety To prevent electric shock hazard disconnect the power cable from the electric outlet before relocating the system When adding or removing devices to or from the system ensure that the power cables for the devices are unplugged before the signal cables are connected If possible disconnect all power cables from the existing system before you add a device Before connecting or removing signal cables from the motherboard ensure that all power cables are unplugged Seek professional assistance before using an adapter or extension c
57. ss Delete during the Power On Self Test POST If you do not press Delete POST continues with its routines Entering BIOS Setup after POST To enter BIOS Setup after POST Press lt Ctrl gt lt Alt gt lt Del gt simultaneously Press the reset button on the system chassis Press the power button to turn the system off then back on Do this option only if you failed to enter BIOS Setup using the first two options A D Using the power button reset button or the lt Ctrl gt lt Alt gt lt Del gt keys to force Ze reset from a running operating system can cause damage to your data or system We recommend that you always shut down the system properly from the operating system R The default BIOS settings for this motherboard apply to most conditions to ensure optimum performance If the system becomes unstable after changing any BIOS settings load the default settings to ensure system compatibility and stability Select the Load Setup Defaults item under the Exit menu See section 2 8 Exit Menu The BIOS setup screens in this chapter are for reference only They may not exactly match what you see on your screen Visit the ASUS website at www asus com to download the latest BIOS file for this motherboard Chapter 2 BIOS information 2 2 1 BIOS menu screen Menu items Menu bar Configuration fields General help BIOS SETUP UTILITY Advanced Power Boot Tools Exit System 85 2009 American Megatrends Inc
58. switch for more than four seconds while the system is ON turns the system OFF Reset button 2 pin RESET This 2 pin connector is for the chassis mounted reset button for system reboot without turning off the system power ASUS M4A77 1 25 1 26 5 USB connectors 10 1 pin USB78 USB910 USB1112 These connectors are for USB 2 0 ports Connect the USB module cable to any of these connectors then install the module to a slot opening at the back of the system chassis These USB connectors comply with USB 2 0 specification that supports up to 480Mbps connection speed Ll i os B s Li o M4A77 USB2 0 connectors AA motherboard USB 5V USB_P8 USB_P8 PIN 1 m E PIN 1 USB 5V USB P7 USB P7 LU KREMIE USA USB 5V USB_P12 USB_P12 eun USB 5V USB_P10 USB_P10 GND NC E USB 5V USB P11 USB_P11 GND USB 5V USB_P9 USB_P9 GND Never connect a 1394 cable to the USB connectors Doing so will damage the The USB 2 0 module is purchased separately Chapter 1 Product introduction 6 Digital audio connector 4 1 pin SPDIF OUT This connector is for an additional Sony Philips Digital Interface S PDIF port E xz Gu 0 iz p o zo gt HS 66 L JODU SPDIF_OUT M4A7
59. t Blue Line In Line In Line In Line In Lime Line Out Front Speaker Out Front Speaker Out Front Speaker Out Pink Mic In Mic In Mic In Mic In Orange Center Subwoofer Center Subwoofer Black Rear Speaker Out Rear Speaker Out Rear Speaker Out Gray Side Speaker Out EN Ensure the audio device of sound playback is VIA High Definition Audio the name may 10 11 12 13 14 be different based on the OS Go to Start Control Panel Sounds and Audio Devices Sound Playback to configure the settings USB 2 0 ports 1 and 2 These two 4 pin Universal Serial Bus USB ports are for USB 2 0 devices USB 2 0 ports 3 and 4 These two 4 pin Universal Serial Bus USB ports are for USB 2 0 devices Serial port This 9 pin COM1 port is for pointing devices or other serial devices Optical S PDIF OUT port This port connects to an external audio output device via an optical S PDIF cable USB 2 0 ports 5 and 6 These two 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices ASUS M4A77 1 22 1 10 2 Internal connectors 1 ATX power connectors 24 pin EATXPWR 4 pin ATX12V These connectors are for an ATX power supply The plugs from the power supply are designed to fit these connectors in only one orientation Find the proper orientation and push down firmly until the connectors completely fit
60. thout using an OS based utility Z Before you start using this utility download the latest BIOS file from the ASUS website at www asus com To update the BIOS using EZ Flash 2 Insert the USB flash disk that contains the latest BIOS file to the USB port then launch EZ Flash 2 in either of these two ways t 2 Press lt Alt gt lt F2 gt during POST Enter the BIOS setup program Go to the Tools menu to select EZ Flash 2 and press lt Enter gt to enable it Press lt Tab gt to switch between drives until the correct BIOS file is found ASUSTek EZ Flash 2 BIOS ROM Utility V3 36 FLASH TYPE BOARD VER DATE Enter Select or Load Tab Switch V Drive Info Up Down Home End Move B Backup ESC Exit When the correct BIOS file is found EZ Flash 2 performs the BIOS update process and automatically reboots the system when done 2 2 Chapter 2 BIOS information A This function supports USB flash disks with FAT 32 16 format and single partition only DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure 2 1 3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process You can restore a corrupted BIOS file using the motherboard support DVD or a removable device that contains the updated BIOS file A Before using this utility rename the
61. to avoid touching the ICs on them Whenever you uninstall any component place it on a grounded antistatic 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 Onboard LED The motherboard comes with a standby power LED that 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 location of the onboard LED a oo D O oc SB_PWR Z g oO O ack OFF Standby Power Powered Off I mmm mm um umo 1 M4A77 Onboard LED ASUS M4A77 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 with external ports goes to the rear part of the chassis as indicated in the image below 1 5 2 Screw holes Place six screws into the holes indicated by circles to secure the motherboard to the chassis N DO NOT overtighten the screws Doing so can damage the motherboard Place this side towards the rear of the chassis Chapte
62. tware applications and utilities that you can install to avail all motherboard features ff 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 To run the Support DVD Place the Support DVD into the optical drive The DVD automatically displays the Drivers menu if Autorun is enabled on your computer 4 The following screen is for reference only Click an icon to ASUS InstAll display Support AMD Chipset Driver EE tems to instal DVD motherboard VIA Audio Driver information Realtek RTL8111 8112 UAN Driver AMD Cool n Quiet Driver ASUS EPU 4 Engine Norton Internet Security 2009 Click an item to install If Autorun is NOT enabled on your computer browse the contents of the Support DVD to Gg locate the file ASSETUP EXE from the BIN folder Double click the ASSETUP EXE to run the DVD ASUS M4A77 1 29 1 30 Chapter 1 Product introduction BIOS information 2 1 Managing and updating your BIOS R Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future Copy the original motherboard BIOS using the ASUS Update utility 2 1 1 ASUS Update utility The ASUS Update is a utility that allows you to manage save and update the motherboard BIOS in Windows environment 4 ASUS Update requires an Internet connection either through a network or an I
63. ty DIMM support AY B od Vendor Part No Kingston KVR533D2N4 512 HYB18T512808AF3S Qimonda Kingston KVR533D2N4 1G HY5PS12821EFP Y5 Hynix HY HYMP512U64CP8 C4 AB HY5PS12821CFP C4 Hynix Elpida EBE51UD8ABFA 5C E E5108AB 5C E Elpida Transcend 512MB DDR2 533 ECC 6ND22D9GCT ECC Micron Kingmax KLBC28F A8KB4 KKEA88B4IAK 37 Kingmax Elixir M2Y1G64TU8HBOB 37B N2TU51280BE 37B61921300CP Elixir Chapter 1 Product introduction DDR2 667MHz capability Kingston KVR667D2N5 2G 7RE22 D9HNL DIMM support EN od Chip Brand Micron Kingston KVR667D2N5 512 501237650821 SBP D6408TR4 CGL25USL074905PECNB Kingston Kingston KVR667D2N5 2G E1108ACBG 8E E 0813A90CC Elpida Kingston KVR667D2N5 1G 501280420822 SOP D6408TR4 CGL25USL156304PECXA Kingston Qimonda HYS64T64000EU 3S B2 HYB18T512B00B2F3SFS 28171 Qimonda Qimonda HYS64T128020EU 3S B2 HYB18T512B00B2F3SFS 28171 Qimonda Corsair VS1GB667D2 MID095D62864M8CEC Corsair Corsair XMS2 5400 Heat Sink Package Corsair Kingmax KLCC28F A8KB5 KKEA88B4LAUG 29DX Kingmax Kingmax KLCD48F A8KB5 KKEA88B4LAUG 29DX Kingmax Apacer AU512E667C5KBGC AM4B5708MIJS7E0627B Apacer Apacer AU512E667C5KBGC AM4B5708GQJS7E06332F Apacer Apacer 78 91G92 9K5 AM4B5708JQJS7E0751C Apacer Apacer 78 01G90 9K5 AM4B5808CQJS7E0751C Apacer Apa
64. uto 200MHz 400MHz 600MHz 800MHZ 1000MHz 1200MHz 1400MHz 1600MHz 1800MHz 2000MHz Chapter 2 BIOS information HT Link Width Auto Sets the HyperTransport link width Configuration options Auto 8 Bit 16 Bit HT Over Voltage Auto Sets the HyperTransport over voltage Use lt gt lt gt keys to adjust the value Configuration options Auto Min 1 20000V Max 1 390000V Memory Clock Mode Auto Sets the memory clock mode Configuration options Auto Manual ff The following item only appears when you set Memory Clock Mode to Manual Memclock Value 200MHz Selects the DRAM frequency programming method Configuration options 200MHz 266MHz 333MHz 400MHz 533MHz DRAM Timing Mode Auto Sets the DRAM timing mode Configuration options Auto DCT 0 DCT 1 Both f The following sub items appear only when you set the DRAM Timing Mode item to Geng DCT 0 DCT 1 or Both TCL Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK 7 CLK DH Only TRCD Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK TRP Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK tRTP Auto Configuration options Auto 2 4 CLK 3 5 CLK TRAS Auto Configuration options Auto 5 CLK 18 CLK TRC Auto Configuration options Auto 11 CLK 26 CLK tWR Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK TR
65. v02 61 C Copyright 1985 2009 American Megatrends Inc 2 7 1 ASUS EZ Flash 2 Allows you to run ASUS EZ Flash 2 When you press Enter a confirmation message appears Use the left right arrow key to select between Yes or No then press lt Enter gt to confirm your choice Chapter 2 BIOS information 2 7 2 Express Gate Auto Enables or disables the ASUS Express Gate feature ASUS Express Gate is a unique instant on environment that provides quick access to the Internet and Skype Configuration options Disabled Enabled Auto Enter OS Timer 10 Seconds Sets countdown duration that the system waits at the Express Gate s first screen before starting Windows or other installed OS Choose Prompt User to stay at the first screen of Express Gate for user action Configuration options Prompt User 1 second 8 seconds 5 seconds 10 seconds 15 seconds 20 seconds 30 seconds Reset User Data No Allows you to clear Express Gate s user data Configuration options No Reset When setting this item to Reset ensure to save the setting to the BIOS so that the user data will be cleared the next time you enter the Express Gate User data includes the Express Gate s settings as well as any personal information stored by the web browser bookmarks cookies browsing history etc This is useful in the rare case where corrupt settings prevent the Express Gate environment from launching properly 4 The first time
66. you intend to use Keep the screw for later use 4 Align the card connector with the slot and press firmly until the card is completely seated on the slot 5 Secure the card to the chassis with the screw you removed earlier 6 Replace the system cover 1 8 2 Configuring an expansion card After installing the expansion card configure it by adjusting the software settings 1 Turnon 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 AN When using PCI cards on shared slots ensure that the drivers support Share IRQ or that the cards do not need IRQ assignments Otherwise conflicts will arise between the two PCI groups making the system unstable and the card inoperable 1 8 3 PCI slots The PCI slots support cards such as a LAN card SCSI card USB card and other cards that comply with PCI specifications 1 8 4 PCI Express x1 slots This motherboard supports PCI Express x1 network cards SCSI cards and other cards that comply with the PCI Express specifications 1 8 5 PCI Express x16 slot This motherboard supports a PCI Express x16 graphics card that complies with the PCI Express specifications Chapter 1 Product introduction 1 9 Jumpers 1 Clear RTC RAM CLRTC This jumper allows you to clear the Real Time Clock RTC RAM in CMOS You can clear the CMOS memory of d

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