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M4A785T-M

1. 1 12 1 7 8 Installing a 1 16 1 744 Removing a 1 16 Expansion 51 0 5 1 17 1 8 1 Installing an expansion 1 17 1 8 2 Configuring an expansion 1 17 ade are edere 1 17 1 8 4 Express x1 slot 1 17 1 85 Express x16 1 17 amahan cina C a C a n no a 1 18 nce exerce Ger Eee era 1 19 1 10 1 Rear panel ports 1 19 1 10 2 Internal connectors 1 22 Contents 1 11 Software 8 1111 Installing an operating system 1 11 2 Support DVD information sss Chapter 2 BIOS information 21 2 2 2 3 24 2 5 Managing and updating your BIOS s 2 1 2 1 1 ASUS Update utility sees 2 1 212 ASUS EZ Flashi2 e metes 2 2 213 ASUS CrashFree 2 3 BIOS setup program 2 2 1 BIOS menu screen 2 2 2 eie 2 2 3 Navigation CA sse 2 24 Menu en ecran 2 25 Submenu 2 2 6 Configuration 0 2 6 2 2 7 POP UP window esee 2 6 2 28 Soroll banana nananana e dentes 2 2
2. M4A785T M 24903 First Edition V1 August 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 WITH
3. 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 VA 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 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 Base Retention bracket lock 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 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 clicking sound denotes that the retention bracket is in place A 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 brac
4. 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 1 16 Chapter 1 Product introduction 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 Y 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 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 A When using PCI cards on sha
5. Auto 15 CLK 30 CLK TRC Auto Configuration options Auto 11 CLK 41 CLK tWR Auto Configuration options Auto 5 CLK 12 CLK TRAD Auto Configuration options Auto 4 CLK 7 CLK tRWTTO Auto Configuration options Auto 3 CLK 17 CLK tWRRD Auto Configuration options Auto 2 CLK 10 CLK tWTR Auto Configuration options Auto 4 CLK 7 CLK tWRWR Auto Configuration options Auto 3 CLK 10 CLK tRDRD Auto Configuration options Auto 3 CLK 10 CLK ASUS M4A785T M 2 11 2 12 tRFCO 1 2 3 Auto Configuration options Auto 90ns 110ns 160ns 300ns 350ns Memory Over Voltage Auto Sets the memory over voltage The values range from 1 5000V to 2 2050V with a 0 0150V increment Use the lt gt lt gt keys to adjust the value Configuration options Auto Max 2 2050V Min 1 5000V Chipset Over Voltage Auto Sets the chipset over voltage The values range from 1 10000V to 1 59500V with a 0 01500V increment Use the lt gt lt gt keys to adjust the value Configuration options Auto Max 1 59500V 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 option
6. M4A785T M specifications summary 8Mb Flash ROM AMI BIOS PnP DMI 2 0 WfM 2 0 SM BIOS 2 5 ACPI 2 0a ASUS EZ Flash 2 CrashFree BIOS 3 Accessories 1 x Ultra DMA 133 100 66 cable 2 x Serial ATA cables 1 x I O shield 1 x User Manual Support DVD Drivers ASUS Update ASUS PC Probe II ASUS Express Gate Anti Virus software OEM version Form factor MicroATX form factor 9 6 in x 9 6 in 24 4 cm x 24 4 cm Specifications are subject to change without notice Product introduction 1 1 Welcome Thank you for buying an ASUS M4A785T M motherboard The motherboard delivers a host of new features and latest technologies 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 M4A785T M motherboard Cables 2 x Serial ATA cables 1 x Ultra DMA 133 100 66 cable Accessories 1 x I O shield Application DVD ASUS motherboard Support DVD Documentations User Manual fo 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 11 Sempron 100 series CPU support This motherboard supports AMD Socket AM3 multi core processors AM3 with unique L3 cache and delivers bett
7. 1 6 Chapter 1 Product introduction 1 5 3 Motherboard layout 00 1 5 4 Layout contents Connectors Jumpers Slots LED CPU and chassis fan connectors 4 pin CPU FAN and 3 pin CHA FAN ATX power connectors 24 pin EATXPWR 4 pin ATX12V CPU Socket AM3 DDR3 DIMM slots Serial port connector 10 1 pin COM1 LPT connector 26 1 pin LPT IDE connector 40 1 pin PRI_IDE ASUS M4A785T M 24 4cm 9 6in lt gt FEES ono EMO KB_USB56 arxtav com Super SPOIFO_ 2 2 d 31131313 5 9i lt elle z 5113 HO 2 E 81 x R e SE T 21121215 alla 7 2 x gt gt gt 12 USB34 JABE So a ajja 5 LAN1_USB12 a pal
8. 1 CAUTION Information to prevent damage to the components when trying to complete a task A IMPORTANT Instructions that you MUST follow to complete a task YA 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 lt gt Keys enclosed in the less than and greater than sign means that you must press the enclosed key Example lt Enter gt means that you must press the Enter Return key lt Key1 gt lt Key2 gt lt Key3 gt If you must press two or more keys simultaneously the key names are linked with a plus sign Example lt Ctrl gt lt Alt gt lt D gt M4A785T M specifications summary Chipset Front Side Bus Graphics Expansion slots Storage RAID AMD Socket AM3 for AMD Phenom 11 Athlon II Sempron 100 series processors Supports 45nm CPU Supports CPU up to 125W AMD Cool n Quie
9. 4 pin Universal Serial Bus USB ports are for USB 2 0 devices 12 USB 2 0 ports 3 and 4 These two 4 pin Universal Serial Bus USB ports are for USB 2 0 devices 13 DVI D port This port is for any DVI D compatible device and is HDCP compliant allowing playback of HD DVD Blu ray and other protected content 14 HDMI port This port is for a High Definition Multimedia Interface HDMI connector and is HDCP compliant allowing playback of HD DVD Blu ray and other protected content Dual display output support This table indicates that whether the following dual display outputs are supported on your motherboard Dual display outputs Supported Not supported DVI D Sub DVI HDMI During POST only the monitor connected to the D Sub port has display The dual display function works only under Windows Chapter 1 Product introduction Playback of HD DVD and Blu ray discs For better playback quality we recommend that you follow the system requirements listed below Suggested list AMD Phenom II x3 720 DDR3 1333 1GB or higher BIOS setup Frame Buffer Size 256MB or higher Best resolution File format Windows Windows Vista Non protected clips 1920 x 1080p 1920 x 1080p HD DVD 1920 x 1080p 1280 x 1080p Blu ray 1280 x 1080p 1280 x 1080p To play HD DVD or Blu ray discs ensure to use HDCP compliant devices and software 15 USB 2 0 ports 5 and 6 These t
10. 5 CIL N cs AUDIO AMD ui CO 6 7856 zi NG a 5 1 san EH 2 PCIEX16 M4A785T M 58710 ave SATA4 SATAS SATAS 2 SB PWR SATA1 SATA2 SATA3 05878 USB910 USB1112 PANEL SPDIF OUT FET TERT sl 0 Lama Lama Cam aarp HABA HABA Y Page Connectors Jumpers Slots LED 1 28 8 Clear RTC RAM 3 pin CLRTC SATA connectors 7 pin SATA1 6 1 24 System panel connector 20 8 pin PANEL 1 25 Onboard power LED SB PWR 1 5 USB comnectors 10 1 pin USB78 USB910 1 26 USB1112 Digital audio connector 4 1 pin SPDIF OUT 1 27 Front panel audio connector 10 1 pin 1 6 Central Processing Unit CPU This motherboard comes with an AM3 socket designed for Phenom Athlon II Sempron 100 series processors The AM3 socket has a different pinout from the AM2 AM2 socket Ensure that you use CPU designed for the AM3 socket The CPU fits in only one correct orientation DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU 1 6 1 Installing the CPU To install a CPU 1 Locate the CPU socket on the motherboard pag M4A785T M CPU sock
11. Apacer 78 A1GC6 9L1 2048MB AM5D5808AEWSBG0908D Corsair CM3X1024 1333C9DHX 1024MB Heat Sink Package Corsair CM3X1024 1333C9 1024MB Heat Sink Package CORSAIR TR3X3G1333C9 3072 of 3 Heat Sink Package Corsair CM3X1024 1333C9DHX 1024MB Corsair Heat Sink Package CRUCIAL BL12864TA1336 8SFB1 2048MB Kit of 2 N A Heat Sink Package Crucial MT8JTF12864AY 1G4D1 3072 of 3 Micron 9FD22D9JNM Crucial BL25664ABA1336 16SFB1 4096MB Kit of 2 N A Heat Sink Package Crucial MT16JTF25664AY 1G4D1 6144MB Kit of 3 Micron 8UD22D9JMN G SKILL F3 10600CL8D 2GBHK 1024MB G SKILL Heat Sink Package G SKILL F3 10600CL9D 2GBPK 1024MB G SKILL Heat Sink Package G SkiLL F3 10666CL7T 3GBPK 3072MB Kit of 3 N A Heat Sink Package G SkiLL F3 10666CL9T 3GBNQ 3072MB Kit of 3 N A Heat Sink Package G SKILL F3 10600CL7D 2GBPI 1024MB G SKILL Heat Sink Package G SKILL F3 10600CL9D 2GBNQ 1024MB G SKILL Heat Sink Package G SKILL F3 10666CL9D 4GBPK 2048MB G SKILL Heat Sink Package F3 10666CL7T 6GBPK 6144MB Kit of 3 Heat Sink Package continued on the next page ASUS M4A785T M 1 13 1 14 DDR3 1333MHz capability G SKILL F3 1066CL9T 6GBNQ 6144MB Kit of 3 N A DIMM support Heat Sink Package GEIL 0083 1333 CL9 9 9 24 1024MB N A Heat Sink Package GEIL GV34GB1333C7DC 2048MB N A Heat Sink Package GEIL 0083 1333 CL9 9 9 24 6144MB Kit of 3 N A Heat Sin
12. Help Save and Exit Exit v02 61 C Copyright 1985 2009 American Megatrends Inc 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 YA Some of the navigation keys differ from one screen to another ASUS M4A785T M 2 5 2 0 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 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 lt Enter gt 2 2 6 Configuration fields These fields show the values for the me
13. Not Detected Use to Primary IDE Slave Not Detected configure system SATA1 Not Detected Time SATA2 Not Detected SATA3 Not Detected SATA4 Not Detected SATA5 Not Detected SATA6 Not Detected SATA Configuration gt 4 gt gt gt 4 gt gt gt Select Screen Select Item System Information Chengel mue General Help Save and Exit Exit Y 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 Slave SATA 1 6 While entering Setup the BIOS automatically detects the presence of IDE SATA devices There is a separate for each IDE SATA device Select a device item then press lt Enter gt 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 Z
14. PNI gt 2 0 MAATUST m gt pO Bato 5 1846 ALES 998 99 lt 359 352 289 M4A785T M USB2 0 connectors Never connect a 1394 cable to the USB connectors Doing so will damage the motherboard The USB 2 0 module is purchased separately Serial port connector 10 1 pin COM1 The comnector is for a serial COM port Connect the serial port module cable to the connector then install the module to a slot opening at the back of the system chassis YA The serial port module is purchased separately 1 26 COM1 PIN 1 M4A785T M Serial port COM1 connector Chapter 1 Product introduction 7 Digital audio connector 4 1 pin SPDIF OUT This connector is for an additional Sony Philips Digital Interface S PDIF port a EJ SPDIFOUT j GND GCC haan an 5 SPDIF OUT 4 785 Digital audio connector Ensure that the audio device of Sound playback is High Definition Audio the may be different based on the OS Go to Start 5 Control Panel 5 Sounds and Audio Devices 5 Sound Playback to configure the setting The S PDIF module is purchased separately _ Front panel audio connector 10 1 pin AAFP
15. This connector is for a chassis mounted front panel audio I O module that supports either High Definition Audio or 97 audio standard Connect one end of the front panel audio I O module cable to this connector te Su SU a oa 9 a Ed Quz 2 z 2 0 u o oro 22 2 i PIN 1 aveo NEKO eee ow 258 8 10 o o zc 3 a 2 HD audio compliant Legacy AC 97 pin definition compliant definition M4A785T M Analog front panel connector KA We recommend that you connect a high definition front panel audio module to this 2 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 M4A785T M 1 27 chassis fan connectors 4 pin CPU FAN and 3 pin CHA FAN The fan connectors support cooling fans of 350mA 740mA 8 88W max or a total of 1A 2 22A 26 64W max at 12V 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 CPU FAN PWR C
16. cord and turn ON the computer 4 Hold down the lt Del gt 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 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 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 Chapter 1 Product introduction 1 10 Connectors 1 10 1 Rear panel ports 2 15 14 13 12 11 10 9 1 PS 2 Keyboard port purple This port is for a PS 2 keyboard 2 Optical S PDIF OUT port This port connects to an external audio output device via an optical S PDIF cable VGA port This 15 pin port is for a VGA monitor or other VGA compatible devices 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 Activity Link LED Speed LED OFF No link OFF 10Mbps connection ORANGE Linked ORANGE 100Mbps connection BLINKING Data activity GREEN 1Gbps connection LAN port 5 Center Subwoofer port orange This port co
17. 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 lt Enter gt 2 Inthe password box key in a password containing to six letters or numbers or both then press lt Enter gt 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 lt Enter gt to display the submenu BIOS SETUP UTILITY Main Advanced Power Boot Exit Press ENTER to run the utility to select and update BIOS This utility supports 1 FAT 12 16 32 r w 2 NTFS read only 3 CD DISC read only Express Gate Auto Enter OS Timer 10 Seconds Reset User Data No NET2 Select Screen tt Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exi
18. 2800MHz x14 5 2900MHz x15 0 3000MHz HT Over Voltage Auto Sets the HT over voltage Configuration options Auto 1 25000V Max 1 38500V CPU Over Voltage Auto Sets the CPU over voltage Configuration options Auto VDDNB Over Voltage Auto Sets the VDDNB over voltage Configuration options Auto HT Link Frequency Auto Sets the HyperTransport link speed Configuration options 200MHz 400 2 600 2 800MHZ 1000MHz 1200MHz 1400MHz 1600MHz 1800MHz 2200MHz Auto Chapter 2 BIOS information HT Link Width Auto Sets the HyperTransport link width Configuration options Auto 8 Bit 16 Bit Memory Clock Mode Auto Sets the memory clock mode Configuration options Auto Manual KA The following item only appears when you set Memory Clock Mode to Manual Memclock Value 400MHz Selects the DRAM frequency programming method Configuration options 400MHz 533MHz 667MHz 800 2 DRAM Timing Mode Auto Sets the DRAM timing mode Configuration options Auto DCT 0 DCT 1 Both following sub items appear only when you the DRAM Timing Mode item to 4 DCT 0 DCT 1 or Both TCL Auto Configuration options Auto 4 CLK 12 CLK TRCD Auto Configuration options Auto 5 CLK 12 CLK TRP Auto Configuration options Auto 5 CLK 12 CLK tRTP Auto Configuration options Auto 4 CLK 7 CLK TRAS Auto Configuration options
19. 8 channel High Definition Audio CODEC Supports Jack detection Multi streaming and Front Panel Retasking technologies continued on the next page M4A785T M specifications summary ASUS unique features ASUS overclocking features Back panel I O ports Internal I O connectors Supports up to 12 USB 2 0 1 1 ports 6 ports at mid board 6 ports at the back panel Realtek 8112L PCle Gigabit LAN controller ASUS Q Fan ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS MyLogo 2 ASUS Express Gate ASUS Al NET 2 ASUS EPU 4 Engine ASUS Anti Surge Protection Intelligent overclocking tool Turbo Key GPU NOS SFS Stepless Frequency Selection FSB tuning from 200MHz to 550MHz at 1MHz increment PCle frequency tuning from 100MHz to 150MHz at 1MHz increment Overclocking Protection ASUS C P R CPU Parameter Recall 1 x PS 2 Keyboard port 1 x LAN Ru 45 port 1x VGA port 1 x DVI D port 1 x HDMI port 1 x Optical S PDIF Out port 6 x USB 2 0 1 1 ports 8 channel audio ports 3 x USB 2 0 1 1 connectors support additional 6 USB 2 0 1 1 ports 1 x IDE connector 1 x COM connector 1 x LPT connector 6 x SATA connectors 1 x High definition front panel audio connector 1 x System panel connector 1 x S PDIF Out connector 1 x CPU fan connector 1 x Chassis fan connector 1 x 24 pin EATX power connector 1 x 4 pin ATX 12V power connector continued on the next page xi xii
20. 9 General help Main menu 2 3 1 System Time 2 3 2 System Date 2 3 3 Primary IDE Master Slave SATA 1 6 2 7 2 3 4 2 8 2 8 5 System 2 9 Advanced enne entes 2 9 2 4 1 JumperFree Configuration sss 2 9 2 4 2 Configuration sss 2 12 243 5 ama n tue 2 13 2 4 4 Onboard Device 2 14 245 PORNP 2 15 246 USB Configuration 22 2 15 Power 2 16 2 5 1 Suspend 2 16 252 2 0 Support uses 2 16 Contents 2 5 3 ACPI APIC 2 16 2 5 4 2 16 2 5 5 HW Monitor Configuration sess 2 17 2 6 Boot menu eene 2 6 1 Boot Device Priority 2 6 2 Boot Settings Configuration 2 18 2 6 3 Security 2 7 TOONS menlis cisci ndr o mer e FU e a n m ri IR 271 ASUS EZ 2 2 20 2 7 2 2 21 2 7 3 ALNET aaa 2 21 2 8 Exit MENU AA 2 22 vi Notices Federal Communications Commission Statement This device complies
21. AMSUNG 846 K4B2G0846B HCF8 2GB DIMM PC3 8500 2048MB Hynix H5TQ1G83AFP G7C SS Single sided DS Double sided DIMM support Supports one module inserted into any slot as single channel memory configuration Supports one pair of modules inserted into either the blue slots or the black slots as one pair of dual channel memory configuration Supports two pairs of modules inserted into both the blue slots and the black slots as two pairs of dual channel memory configuration Visit the ASUS website at www asus com for the latest QVL ASUS M4A785T M 1 15 1 7 3 Installing DIMM Unplug the power supply before adding removing DIMMs or other system components Failure to do so can cause severe damage to both the motherboard and the components 1 Press the retaining clips 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 4 A DIMM is keyed with a notch so that it fits in only one direction DO NOT force a DIMM into 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 Support the DIMM lightly with your
22. ASUS Q Fan technology intelligently adjusts CPU fan speeds according to system loading to ensure a quiet cool and efficient operation ASUS Al NET 2 ASUS Al 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 Chapter 1 Product introduction C P R CPU Parameter Recall The BIOS 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 emu Green ASUS e 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 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 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
23. D ROM Disabled To select the boot device during system startup press lt F8 gt when ASUS Logo appears access Windows OS in Safe Mode do any of the following Press F5 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 Set this item to Enabled to use the ASUS MyLogo2 feature Chapter 2 BIOS information AddOn ROM Display Mode Force BIOS Sets the display mode for option ROM Configuration options Force BIOS Keep Current 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 Disabled Enabled 2 6 3 Security The Security menu items allow you to change the system
24. IP LS 120 or MO drive Configuration options Not Installed Auto CDROM ARMD VA This item only appears in the Primary IDE Master Slave SATA5 6 menus ASUS M4A785T M 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 the 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 lt Enter gt to display the submenu OnChip SATA Channel Enabled Enables or disa
25. OUT NOTICE 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 ea E E T RA i Safety information About this guide nii cmt amung iii M4A785T M specifications summary Chapter 1 Product introduction 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 m 1 1 Package contents Special features eret metet s 1 3 1 Product highlights 1 3 2 Innovative ASUS features Before you proceed Motherboard 1 5 1 Placement direction 1 5 2 Screw 5 1 5 3 Motherboard layout 1 5 4 Layout Central Processing Unit CPU 1 6 1 Installing the CPU sss 1 6 2 Installing the heatsink and 1 10 System memory 1 11 1 7 1 eu 1 11 1 7 0 Memory
26. PU FAN IN CPU FAN PWM GND Hi CHA FAN GH Rotation EH GND M4A785T M fan connectors 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 place jumper caps on the fan connectors KA Only the 4 pin CPU fan supports the ASUS Q Fan feature 10 LPT connector 26 1 pin LPT The LPT Line Printing Terminal connector supports devices such as a printer LPT is standardized as IEEE 1284 which is the parallel port interface on IBM PC compatible computers M4A785T M Parallel Port Connector Chapter 1 Product introduction 1 11 Software support 1 11 1 Installing an operating system This motherboard supports Windows XP Vista Operating Systems OS Always install the latest OS version and corresponding updates to maximize the features of your hardware Z 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 i
27. Package ASint SLY3128M8 EDJ 1024MB ASint DDRII1208 DJ 0844 ASint SLY3128M8 EDJ 2048MB ASint DDRII1208 DJ 0844 CENTURY PC3 10600 DDR3 1333 1024MB Micron 8FD22D9JNM Kingtiger 2GB DIMM PC3 10666 2048MB Samsung SEC 904 HCH9 K4B1G0846D Kingtiger KTG2G1333PG3 2048MB N A Heat Sink Package PATRIOT PSD31G13332H 1024MB N A Heat Sink Package Patriot PSD31G13332 1024MB Patriot PM64M8D38U 15 Takems TMS1GB364D081 107EY 1024MB N A Heat Sink Package Takems TMS1GB364D081 138EY 1024MB N A Heat Sink Package Chapter 1 Product introduction DDR3 1066MHz capability EBJ51UD8BAFA AC E 512MB elpida DIMM support A J5308BASE AC E EBJ51UD8BAFA AE E 512MB elpida J5308BASE AC E F3 8500CL6D 2GBHK 1024MB G SKILL Heat Sink Package KVR1066D3N7 1G 1024MB elpida J1108BABG DJ E KVR1066D3N7 1G 1024MB elpida J5308BASE AE E S KVR1066D3N7 2G 2048MB elpida J1108BABG DJ E MT8JTF12864AY 1G1D1 1024MB Micron 8ED22D9JNL MT16JTF25664AY 1G1D1 2048 Micron 8LD22D9JNL OCZ3SOE10662GK 2048MB Kit of 2 N A Heat Sink Package M378B2873CZ0 CF8 1024MB Samsung K4B1G0846C ZCF8 M378B2873CZ0 CG8 1024MB Samsung K4B1G0846C ZCG8 M378B2873EH1 CF8 1024MB Samsung SEC 901 HCF8 K4B1G0846E M378B5273BH1 CF8 4096MB S
28. at 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 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 2 on the system 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 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 Tum 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 system boot failure Ensure to load the BIOS default settings to ensure system compatibility and stability Select the Load Setup Defaults item under the Exit menu Refer to section 2 8 Exit menu for details ASUS M4A785T M 2 3 2 2 BIOS setup program This motherboard supports a programmable Serial Peripheral Interface SPI chip that you can up
29. bles OnChip SATA Channel Configuration options Disabled Enabled KA 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 When this item is to IDE SATA 5 6 can only be to IDE SATA Port5 Port6 IDE Set the SATA 5 6 type Configuration options IDE RAID AHCI 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 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 MN 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 2 4 1 JumperFree Configuration The items and configuration options in this menu may vary depending on the AMD CPU type Ng CPU Ove
30. date using the provided utility described in section 2 1 Managing and updating your BIOS Use the BIOS Setup program when you are installing a motherboard reconfiguring your system or prompted to Run Setup This section explains how to configure your system using this utility Even if you are not prompted to use the Setup program you can change the configuration of your computer in the future For example you can enable the security password feature or change the power management settings This requires you to reconfigure your system using the BIOS Setup program so that the computer can recognize these changes and record them in the CMOS RAM of the SPI chip The SPI chip on the motherboard stores the Setup utility When you start up the computer the system provides you with the opportunity to run this program Press lt Del gt during the Power On Self Test POST to enter the Setup utility otherwise POST continues with its test routines Entering BIOS Setup at startup To enter BIOS Setup at startup Press 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 Pressthe 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 option
31. ed 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 F 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 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 M4A785T M 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 a
32. electricity Hold components by the edges 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 SB PWR ao ON OFF Hi mia Standby Power Powered Off ASUS M4A785T M 1 5 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 eight screws into the holes indicated by circles to secure the motherboard to the chassis AN DO NOT overtighten the screws Doing so can damage the motherboard Place this side towards the rear of the chassis
33. er overclocking capabilities with less power consumption It features dual channel DDR3 1333 memory support and accelerates data transfer rate up to 5200MT s HyperTransport 3 0 based system bus This motherboard also supports AMD CPUs in the new 45nm manufacturing process ASUS M4A785T M 1 1 0083180002 Epress 17 AMD 785G Chipset The AMD 785G Chipset is designed to support up to 5200MT s HyperTransport 3 0 3 0 interface speed and 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 DDR3 1800 0 C support The motherboard supports DDR3 memory that features data transfer rates of 1800 O C 1600 O C 1333 1066 MHz to meet the higher bandwidth requirements of the latest operation system 3D graphics multimedia and Internet applications The dual channel DDR3 architecture doubles the bandwidth of your system memory to boost system performance eliminat
34. es 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 From S5 PS 2 KB MS Disabled Enables or disables PS 2 Keyboard Mouse to generate a wake event Configuration options Disabled Enabled 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 if 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 Enabled Enables or disables the ASUS Q Fan feature that smartly adjusts the CPU fan
35. et AM3 2 Press the lever sideways to unlock the Socket lever socket then lift it up to a 90 100 angle Ensure that the socket lever is lifted up to 902 100 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 HER DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU Small triangle Gold triangle 1 8 Chapter 1 Product introduction 5 When the CPU is in place push down the socket lever to secure the CPU The lever clicks 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 Connect the CPU fan cable to the CPU FAN connector on the motherboard CPU FAN a EEE 0222 2222 oO o a 5 DE M4A785T M CPU fan connector DO NOT forget to connect the CPU connector Hardware monitoring errors can occur if you fail to plug this connector ASUS M4A785T M
36. hannel 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 32 bit Windows 05 Use a 64 bit Windows OS if you want to install 4GB or more memory the motherboard This motherboard does not support DIMMs made up of 256 megabits Mb chips or less motherboard supports up to 1668 memory modules Windows Professional x64 c and Vista x64 editions You may install a maximum of 4GB DIMMs on each slot M4A785T M Motherboard Qualified Vendors Lists QVL DDR3 1866 0 C MHz capability DIMM support Kingston KHX14900D3K3 3GX XMP 3072MB kit of 3 55 Heat Sink Package 9 9 9 27 i 55 Vendor Part No Size DS Brand Chip NO CL DDR3 1800 0 C MHz capability Chip NO DIMM support CM3X2G1800C8D 2048MB DS Heat Sink Package N A KHX14400D3K2 2G 2048 of 2 55 Heat Sink Package 8 8 8 24 KHX14400D3K3 3GX XMP 3072 of 3 55 Heat Sink Package 9 9 9 27 KHX14400D3K2 2GN EPP 4096MB kit of 2 DS Heat Sink Package 8 8 8 24 Chap
37. hese connectors set the SATA Port1 Port4 and SATA Port5 Port6 items in the BIOS to RAID See 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 RAID AHCI Supplementary Guide included in the folder named Manual in the support DVD Chapter 1 Product introduction System panel connector 20 8 pin PANEL This connector supports several chassis mounted functions PLED SPEAKER Sooo CI a oo ofofo i i PINTTOT gv D 5 5 ad Ti IDE LED PWRSW RESET Requires an ATX power supply M4A785T M 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 con
38. ia 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 HDMI support HDMI High Definition Multimedia Interface is a set of digital video standards that deliver multi channel digital audio and uncompressed digital video for full HD 1080p visuals through a single cable Supporting HDCP copy protection such as HD DVD and Blu ray discs HDMI provides you with the highest quality home theater experience Dual VGA output This motherboard supports dual display output on digital HDMI DVI and analog D Sub DVI Digital Visual Interface provides high quality visuals for digital display devices like LCD monitors 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 without 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 suppo
39. ing bottlenecks with peak bandwidths of up to 25 6 GB s Furthermore the supply voltage for the memory is reduced from 1 8 V for DDR2 to just 1 5 V for DDR3 This voltage reduction limits the power consumption and heat generation of DDR3 which makes it an ideal memory solution PCI Express 2 0 support This motherboard supports PCI Express 2 0 devices for double speed and bandwidth which enhances system performance 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 Hybrid CrossFireX support ATI Hybrid CrossFireX technology greatly boosts graphics performance with an onboard GPU and a discrete graphics GPU Hybrid CrossFirex is supported by Windows Vista OS only Refer to www amd com for the discrete GPUs which support Hybrid CrossFireX Chapter 1 Product introduction Dual VGA Output ELGI Serial 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 Azal
40. k Package Kingston KVR1333D3N9 1G 1024MB elpida J1108BABG DJ E Kingston KVR1333D3N9 2G 2048MB elpida J1108BABG DJ E Micron MT8JTF12864AY 1G4D1 1024MB Micron 8LD22D9JNM Micron MT16JTF25664AY 1G1D1 2048MB Micron 8LD22 D9JNM Micron MT8JTF12864AY 1G4D1 3072 of 3 Micron 9FD22D9JNM Micron MT16JTF25664AY 1G4D1 6144MB Kit of 3 Micron 8UD22D9JMN OCZ OCZ3P13334GK 4096MB Kit of 2 N A Heat Sink Package OCZ OCZ3P13334GK 4096MB Kit of 2 N A Heat Sink Package Samsung M378B2873DZ1 CH9 1024MB Samsung K4B1G0846D HCH9 SAMSUNG M378B2873DZ1 CH9 1024MB SAMSUNG SEC 846 HCH9 K4B1G08460 Samsung M378B2873EH1 CH9 1024MB Samsung SEC 913 HCH9 K4B1G0846E Samsung M391B2873DZ1 CH9 1024MB Samsung K4B1G0846D HCH9 Samsung M378B5673DZ1 CH9 2048MB Samsung K4B1G0846D HCH9 Samsung Samsung M378B5673EH1 CH9 M391B5673DZ1 CH9 2048MB 2048MB Samsung Samsung SEC 913 HCH9 K4B1G0846E K4B1G0846D HCH9 Super Talent W1333X2GB8 1024MB N A Heat Sink Package Transcend SEC 813HCH9 K4B1G0846D 1024MB N A TS128MLK64V3U Transcend TS128MLK72V3U 1024MB N A K4B1G0846D ECC Transcend SEC816HCH9K4B1G0846D 2048MB N A TS256MLK64V3U Adata AD31333G002GMU 2048MB N A Heat Sink
41. ket 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 DO NOT forget to connect CPU fan connector Hardware monitoring errors can occur if you fail to plug this connector 1 7 System memory 1 7 1 Overview This motherboard comes with four Double Data Rate 3 DDR3 Dual Inline Memory Modules DIMM sockets A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket DDR3 modules are developed for better performance with less power consumption The figure illustrates the location of the DDR3 DIMM sockets DIMM A2 DIMM B2 DIMM B1 Sockets Channel DIMM A1 and DIMM A2 Channel B DIMM B1 and DIMM B2 e M4A785T M 240 DIMM sockets ASUS M4A785T M 1 11 1 7 2 Memory configurations You may install 512MB 1GB 2GB and 4GB unbuffered ECC and non ECC DDR3 DIMMs into the DIMM sockets You may install varying memory sizes in Channel 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 c
42. ly 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 This motherboard should only be used in environments with ambient temperatures between 5 C 41 F and 40 C 104 F 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 BIOS Setup menus Detailed descriptions of the BIOS parameters are also provided 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 j complete a task
43. m 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 cord 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 The optical S PDIF is an optional component may or may not be included in your motherboard and is defined as a CLASS 1 LASER PRODUCT INVISIBLE LASER RADIATION AVOID EXPOSURE TO BEAM Never dispose of the battery in fire It could explode and release harmful substances into the environment Never dispose of the battery with your regular household waste Take it to a hazardous material collection point Never replace the battery with an incorrect battery type RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTERIES ACCORDING TO THE ABOVE BATTERY RELATED INSTRUCTIONS vii viii Operation safety Before installing the motherboard and adding devices on it careful
44. n item then press lt Enter gt 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 gt APM Configuration gt 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 S1 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 pointer 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 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 55 By PME Disabled Enables or disabl
45. nector 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 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 M4A785T M 1 25 6 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 oe maa ad i gRE namo namo nazo NNNZO NNNZO gt poo a gt 10 05878 EED veso REGED pina pina
46. nel Select HD Audio Selects the front panel type Configuration options HD Audio AC97 SPDIF OUT Mode Setting SPDIF Output Sets the SPDIF OUT mode Configuration options HDMI Output SPDIF Output OnBoard LAN Controller Enabled Enables or disables the onboard LAN controller Configuration options Enabled Disabled OnBoard LAN Boot ROM Disabled Enables or disables the Onboard LAN Boot ROM Configuration options Disabled Enabled Chapter 2 BIOS information 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 Take caution when changing the settings of the PnP menu items Incorrect field values 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 operating system configures the Plug and Play devices not required for boot Configuration options No Yes 2 4 6 USB Configuration The items in this menu allows you to change the USB related features Select an item then press lt Enter gt to display the configuration options The Module Version and USB Devices Enabled items show the auto detected values If no USB device is detect
47. nformation The Support DVD that comes with the motherboard package contains the drivers software applications and utilities that you can install to avail all motherboard features VA 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 VA The following screen is for reference only Drivers ASUS Install MB Click an icon to display Support DVD motherboard information Norton Internet Security 2009 Please select items on the right side AMD Cool n Quiet Driver VIA Audio Driver AMD Chipset Driver ASUS EPU 4 Engine AMD Graphics Driver Realtek RTL8111 8112 LAN Driver AMD HDMI Driver Program Click an item to install If Autorun is NOT enabled on your computer browse the contents of the Support DVD to locate the file ASSETUP EXE from the BIN folder Double click the ASSETUP EXE to run the DVD ASUS M4A785T M 1 29 1 30 Chapter 1 Product introduction BIOS information 2 1 Managing and updating your BIOS Save a copy of the original motherboard BIOS file to a USB flash disk in case need to restore the BIOS in the future Copy the original motherboard BIOS using the ASUS Update utility 2 1 1 ASUS Update utili
48. nnects to the center subwoofer speakers 6 Rear Speaker Out port black This port connects to the rear speakers in the 4 6 and 8 channel audio configurations 7 Line In port light blue This port connects to the tape CD DVD player or other audio sources 8 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 9 Microphone port pink This port connects to a microphone 10 Side Speaker Out port gray This port connects to the side speakers in the 8 channel audio configuration ASUS M4A785T M 1 19 1 20 7 Refer to the audio configuration table below for the function of the audio ports in the 2 4 6 ec or 8 channel configuration Audio 2 4 6 or 8 channel configuration Headset 2 6 4 6 8 Light 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 Ensure the audio device of sound playback is High Definition Audio name may be different based on the OS Go to Start 5 Control Panel 5 Sounds and Audio Devices gt Sound Playback to configure the settings 11 USB 2 0 ports 1 and 2 These two
49. nsure that all other device jumpers have the same setting PRI IDE NOTE Orient the red markings on the IDE ribbon cable to PIN 1 M4A785T M IDE connector ASUS M4A785T M 1 23 1 24 Serial ATA connectors 7 SATA1 6 These connectors are for the Serial ATA signal cables 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 the onboard SB710 chipset RSATA_RXP4 RSATA_TXP4 RSATA_RXN4 RSATA_TXN4 5 3 RSATA RXP1 RSATA RXN1 M4A785T M SATA connectors Install the Windows XP Service RAID 0 1 and JBOD configurations through E a S E RSATA RXNS RSATA_RXPS RSATA TXN5 RSATA TXP5 RSATA RXN6 RSATA RXPG RSATA 6 RSATA 6 GND GND GND GND 3 N gt 3 RSATA RXN2 RSATA_RXP2 RSATA TXN2 RSATA 2 RSATA RXN3 RSATA RXP3 RSATA TXN3 RSATA GND GND GND GND Pack 1 or later versions before using Serial ATA If you intend to create a Serial ATA RAID set using t
50. nterleaving Configuration options Disabled Auto Channel Interleaving Disabled Allows you to enable the channel memory interleaving Configuration options Disabled Address bits 6 Address bits 12 XOR of Address bits 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 Tristate C3 ATLVID Disabled Enables or disables 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 Internal Graphics Primary Video Controller GFX0 GPP IGFX PCI Allows you to set the primary video controller Configuration options GFX0 GPP IGFX PCI GPP GFX0 IGFX PCI PCI GFX0 GPP IGFX IGFX GFX0 GPP PCl GFX0 primary video cont
51. nu items If an item is user configurable you can change the value of the field 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 list of options Refer to 2 2 7 Pop up window 2 2 7 Pop up window Select a menu item then press lt Enter gt to display a pop up window with the configuration options for that item 2 2 8 Scroll bar Select Screen A scroll bar appears on the right side of oo ue BOUES General Help Save and Exit t a menu screen when there are items that do not fit on the screen Press the Up CICepyright TIE ZOOS Rwericam Down arrow keys or Page Ups Page Scroll bar Down keys to display the other items on the screen 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 When you enter the BIOS Setup program the Main menu screen appears giving you an overview of the basic system information 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 Main Settings Use ENTER TAB 34 30 or SHIFT TAB to System Date Thu 01 10 2002 select a field Primary IDE Master
52. pin ATX 12 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 Calculator 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 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 Master Black Cable Select Slave Gray Master Master Two devices Black or gra Slave Slave uiid Pin 20 on the IDE is removed to match the covered hole on the Ultra 2 cable connector This prevents incorrect insertion when you connect the IDE cable Use the 80 conductor IDE cable for Ultra 133 100 66 IDE devices If any device jumper is as Cable Select e
53. rclocking Auto Selects the CPU overclocking options to achieve desired CPU internal frequency Configuration options Manual Auto Overclock Profile Test Mode ASUS M4A785T M 2 9 2 10 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 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 GPU Overclocking Auto Sets the GPU overclocking Configuration options Auto Manual VA The following item only appears when you set GPU Overclocking to Manual GPU Engine Clock 500 Sets the GPU Engine Clock Configuration options Min 150 Max 1500 PCIE Overclocking Auto Sets the PCIE overclocking Configuration options Auto Manual KA 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 8 5 1700MHZ x9 0 1800MHz x9 5 1900MHz x10 0 2000MHz x10 5 2100MHz x11 0 2200MHz x11 5 2300MHz x12 0 2400MHz x12 5 2500MHz x13 0 2600MHz x13 5 2700MHZz x14 0
54. red 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 slot 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 ASUS M4A785T M 1 17 1 18 1 9 Jumpers 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 date 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 CLRTC 12 23 CE Clear RTC Default M4A785T M 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
55. roller on a PCle x16 slot GPP primary video controller on a PCle x1 slot IGFX onboard VGA port PCI primary video controller on a PCI slot Internal Graphics Mode UMA Selects the internal graphics mode Configuration options Disabled UMA UMA Frame Buffer Size Auto Configuration options Auto 32MB 64MB 128MB 256MB 512MB ASUS M4A785T M 2 13 Surround View Auto Disables or enables the Surround View function Configuration options Auto Disabled Enabled This item becomes user configurable when you install an ATI graphics card into the PCle x16 slot Frame Buffer Location Above 4G Configuration options Below 4G Above 4G AMD 785 HDMI Audio Enabled Enables or disables AMD 785 HD audio Configuration options Enabled Disabled 2 4 4 Onboard Device Configuration Serial Port1 Address 3F8 IRQ4 Selects the Serial Port base address Configuration options Disabled 3F8 IRQ4 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 Enabled Disabled Front Pa
56. rts 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 M4A785T M 1 3 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 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 Anti Surge Protection This special design prevents expensive devices and the motherboard from damage caused by power surges from switching power supply PSU GPU NOS ASUS GPU NOS technology intelligently detects graphics loading and automatically boosts performance for the most demanding tasks It provides you with a faster reaction time for an excellent graphics performance ASUS MyLogo 27 Tum your favorite photos into 256 color boot logos to personalize your system ASUS Q Fan
57. s 7 LU Using the power button reset button or the lt Ctrl gt lt Alt gt lt Del gt keys to force reset from 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 AN 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 Settings Use ENTER TAB 1 SHIFT TAB to System Date Thu 01 10 2002 select a field Primary IDE Master Not Detected Use to Primary IDE Slave Not Detected configure system SATA1 Not Detected Time SATA2 Not Detected SATA3 Not Detected SATA4 Not Detected SATA5 Not Detected SATA6 Not Detected SATA Configuration gt b b b b b gt Select Screen Select Item System Information Change REN General
58. s Disabled Enabled Microcode Updation Enabled Enables or disables Microcode Updation Configuration options Disabled Enabled Secure Virtual Machine Mode Disabled Enables 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 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 ASUS AMD ACC Function 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 CPU 3rd 4th Core Enabled Enables or disables CPU cores to tweak system stability Configuration options Disabled Enabled Chapter 2 BIOS information 2 4 3 Chipset NorthBridge Configuration Memory Configuration Bank Interleaving Auto Allows you to enable the bank memory i
59. s 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 lt F5 gt 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
60. 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 In the password box key in a password containing up to six letters or numbers both then press lt Enter gt 3 Confirm the password when prompted The message Password Installed appears after you successfully set your password A 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 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 M4A785T M 2 19 2 20 Change User Password Select this item to set
61. speed 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 0V 4 5V 5 0V 5 5V 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 26 C 27 C 47 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 52 C 53 C 74 C 75 C ASUS M4A785T M 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 lt Enter gt to display the sub menu Main Advanced Power Boot Settings Specifies the Boot 8 Device Priority sequence A virtual floppy disk drive Floppy Drive B b Boot Settings Configuration may appear when you set gt Security the CD ROM drive as the first boot device Select Screen Select Item Enter Go to Sub Screen 1 10 Save and Exit ESC Exit 9 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 devices installed in the system Configuration options Removable Dev Hard Drive ATAPI C
62. t Technology Refer to www asus com for the AMD CPU support list 785G 58710 Up to 5200MT s HyperTransport 3 0 interface Dual channel memory architecture 4 x 240 pin DIMM slots support maximum 16GB unbuffered ECC and non ECC DDR3 1800 1600 1333 1066 2 memory modules 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 Integrated Radeon 4200 GPU Supports DVI D with HDCP compliant with max resolution up to 2560x1600 60Hz Dual link Supports HDMI with max resolution up to 1920x1200 60Hz Supports RGB with max resolution up to 2048x1536 85Hz Supports Microsoft DirectX 10 1 OpenGL 2 0 Shader Model 4 1 Hardware Decode Acceleration for H 264 VC 1 and MPEG 2 Supports Hybrid CrossFireX for Windows Vista only Dual VGA output supports RGB amp DVI RGB amp HDMI Maximum shared memory up to 512MB Refer to www amd com for the discrete GPUs which support Hybrid CrossFireX 1 x PCle 2 0 x16 slot 1 x PCle x1 slot 2 x PCI 22 slots AMD SB710 southbridge 1xUltra 133 100 66 connector 6x Serial ATA 3Gb s connectors support RAID 0 RAID 1 RAID 0 1 and JBOD configurations VIA VT1708S
63. t ESC Exit 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 Enabled Disabled 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 3 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 The first wizard will run again when you enter the Express Gate environmen
64. t after clearing its settings 2 7 3 AI NET 2 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 M4A785T M 2 21 2 22 2 8 The Exit menu items allow you to load the optimal 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 Options Exit system setup after saving the Exit amp Discard Changes changes Discard Changes F10 key can be used Load Setup Defaults for this operation Pressing lt gt does not immediately exit this menu Select one of the options from this menu lt F10 gt from the legend bar to exit Exit 4 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 a confirmation before exiting Discard Changes This option allow
65. te the BIOS file from the Open window then click Open Follow the onscreen instructions to complete the updating process 2 1 2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS based utility Before you start using this utility download the latest BIOS from the ASUS website at Www asus com To update the BIOS using EZ Flash 2 1 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 Press Alt F2 during POST 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 ASUSTek EZ Flash 2 BIOS ROM Utility V3 36 FLASH TYPE 0000000 BOARD IMEZNZBSTSM BOARD VER 0203 H 00 B 02 VER Unknown DATE 022372009 DATE Unknown 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 Chapter 2 BIOS information 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 21 3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool th
66. ter 1 Product introduction DDR3 1600 0 C MHz capability DIMM support A Data AD31600X002GMU 4096 of 2 Heat Sink Package Corsair CM3X1G1600C9DHX 2048 of 2 Heat Sink Package CRUCIAL BL12864BA1608 8SFB XMP 3072MB Kit of 3 Heat Sink Package CRUCIAL BL12864BE2009 8SFB3 EPP 3072MB Kit of 3 Heat Sink Package Crucial BL25664TB1608 K16SF XMP 6144MB Kit of 3 Heat Sink Package Crucial BL25664TG1608 K16SF XMP 6144MB Kit of Heat Sink Package Crucial BL25664TR1608 K16SF XMP 6144MB Kit of Heat Sink Package G SKILL F3 12800CL9D 2GBNQ 2048 of 2 Heat Sink Package G SKILL F3 12800CL8T 6GBHK 2048MB Heat Sink Package G SKILL F3 12800CL9T 6GBNQ 6144 of 3 Heat Sink Package kingmax FLGD45F B8KG9 1024MB KFB8FNGXF ANX 12A kingmax FLGE85F B8KG9 2048MB KFB8FNGXF ANX 12A Kingston KHX12800D3LLK3 3GX XMP 3072MB kit of 3 Heat Sink Package Kingston KHX12800D3K2 4G 4096MB kit of 2 Heat Sink Package Kingston KHX12800D3LLK3 6GX XMP 6144 of 3 Heat Sink Package VA We recommend that you install the DDR3 1600 memory modules on the blue slots for e better overclocking performance DDR3 1333MHz capability DIMM support Part No Size SS cL mp nd AD31333001GOU 1024MB SS A Data AD30908C8D 151C E0906 A Data AD31333002GOU 2048MB AD30908C8D 151C E0903 Apacer 78 01GC6 9LO 1024MB AM5D5808AEWSBG0914E
67. tions 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 Regulations 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 syste
68. ty The ASUS Update is a utility that allows you to manage save and update the motherboard BIOS in Windows environment fo ASUS Update requires an Internet connection either through a network or an Internet L 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 YA 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 M4A785T M 2 1 2 2 fo The ASUS Update utility is capable of updating itself through the Internet Always update 3 the utility to avail all its features Updating from a BIOS file a Select Update BIOS from a file then click Next b Loca
69. 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 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 The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regula
70. wo 4 pin Universal Serial Bus USB ports are for USB 2 0 devices ASUS M4A785T M 1 21 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 ATX12V EATXPWR L 3 aa 12 Volts 5 Volts n 12 5 Volts 5V Standby _JC i 5 Volts 158 Power OK JCH 5 Volts GND C LT GND as 5 Volts CIL HH GND zz GND 1LIC GND 5 Volts ATOM PSON GNDCILD GND 3 Volts 12 Volts 3 Volts 3 Volts M4A785T M ATX power connectors 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 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

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