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1. Q ATX12V EATXPWR gi PIN 1 5 12V DC GND 3 Volts GND gh 12V DC GND 12 Volts 5 Volts a r 12 Volts 5 Volts H 5V Standby 5 Volts a Power OK 5 Volts q S GND GND q 0 x 5 Volts GND GND GND MATERS 5 Volts PSON GND GND 3 Volts 12 Volts Q 3 Volts 3 Volts SS PIN 1 SS ae w O a rIrararI M4A78 PRO ATX power connectors We recommend that you use an ATX 12 V Specification 2 0 compliant power supply unit PSU with a minimum of 300 W 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 Aon 12 V and that the PSU has a minimum power rating of 300 W The system may become unstable or may not boot up if the power is inadequate Do not forget to connect the 4 pin ATX 12 V 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 e If you are uncertain about the minimum power supply
2. M4A78 PRO Clear RTC RAM Pefault To erase the RTC RAM Turn OFF the computer and unplug the power cord 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 Plug the power cord and turn ON the computer Hold down the lt Del gt key during the boot process and enter BIOS setup to re enter data Except when clearing the RTC RAM never remove the cap on CLRTC jumper default position Removing the cap will cause system boot failure to clear the CMOS RTC RAM data After the CMOS clearance reinstall the battery 1 2 3 4 VA e Ifthe steps above do not help remove the onboard battery and move the jumper again You do not need to clear the RTC when the system hangs due to overclocking For system failure due to overclocking use the C P R CPU Parameter Recall feature Shut down and reboot the system so the BIOS can automatically reset parameter settings to default values Due to the chipset behavior AC power off is required to enable C P R function You must turn off and on the power supply or unplug and plug the power cord before rebooting the system Chapter 1 Product introduction 1 17 Keyboard power 3 pin KBPWR This jumper allows you to enable or disable the keyboard wake up feature Set this jumper to pins 2 3 5VSB to wake up the computer by pressing a key on the keyboa
3. 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 Ai Tweaker For changing the overclocking settings 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 changing the system tools configuration 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 The BIOS setup screens shown in this chapter are for reference purposes only and may not exactly match what you see on your screen e Visit the ASUS website at www asus com to download the latest BIOS information Chapter 2 BIOS setup 2 7 2 8 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 Z Some of the navigation keys differ from one screen to another 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
4. DJEOGJIUJON E4341 First Edition V1 December 2008 Copyright 2008 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 NO
5. Elpida PSC ELIXIR G ELIXIR i Hynix Elpida Elpida ASUS M4A78 PRO N Side s SS Single sided DS Double sided DIMM support A Supports one module inserted into either slot as Single channel memory configuration e B Supports two modules inserted into either the yellow slots or the black slots as one pair of Dual channel memory configuration e C Supports four modules inserted into both the yellow slots and the black slots as two pairs of Dual channel memory configuration Visit the ASUS website for the latest QVL Unplug the power supply before adding or removing DIMMs or other system components Failure to do so can cause severe damage to both the motherboard and the components Press the retaining clips outward to DDR2 DIMM notch unlock a DDR2 DIMM socket 2 Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket 1 7 3 Installing a DIMM _ Unlocked retaining clip aN A DDR2 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 fingers when pressing the retaining
6. clips The DIMM might get damaged when it flips out with extra force 2 Remove the DIMM from the socket Chapter 1 Product introduction 1 15 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 4 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 Remove the system unit cover if your motherboard is already installed in a chassis a 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 Turn on the system and change the necessary BIOS settings if any See Chapter 2 for information on BIOS setup 2 Assign an IRQ to the card 3 Install the software drivers for the expansion card N When using PCI cards on shared slots ensure that th
7. C Copyright 1985 2008 American Megatrends Inc 2 5 1 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 Allows you to enable or disable the microcode updation Configuration options Disabled Enabled Secure Virtual Machine Mode Enabled Allows you to enable or disable the AMD Secure Virtual Machine mode SVM Configuration options Disabled Enabled AMD Cool n Quiet Function Enabled Enables or disables the AMD Cool n Quiet function Configuration options Disabled Enabled ACPI SRAT Table Enabled Enables or disables the building of ACPI SRAT table Configuration options Disabled Enabled CPU Prefetching Enabled Allows you to enable or disable CPU prefetching Configuration options Enabled Disabled Chapter 2 BIOS setup 2 17 2 18 AMD Live Disabled Enables or disables the AMD Live technology support Configuration options Disabled Enabled C1E Support Disabled Allows you to enable or disable the Enhanced Halt State support Configuration options Disabled Enable 2 5 2 Chipset The Chipset menu allows you to change the advanced chipset settings Select an item then press lt En
8. LL Oooo Z The S PDIF module is purchased separately 1 28 ASUS M4A78 PRO 11 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 I O module cable to this connector ico me 3 O a oc Oo 2 ar E We on E Ww W Eg AND v Q E ouz Zz Z Ba zu Lu OOO O SE Onon Nn IZZ2 Z gO mia rn lalale Gellel ASUS a a a m Nero coal z Oo LIZ Cer Eog 253 5 OOG IO o SS naa ua Sc 9 aa ER Li m N i HD audio compliant Legacy AC 97 pin definition compliant definition W 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 ensure that the Front Panel Select item in the BIOS is set to HD If you want to connect an AC 97 front panel audio module to this connector se
9. 4 9 NB Voltage Auto Allows you to set the NorthBridge voltage The values range from 1 30V to 1 60V with a 0 10V interval 2 4 10 NB 1 8V Voltage Auto Allows you to set the NorthBridge 1 8V voltage The values range from 1 80V to 2 00V with a 0 2V interval 2 4 11 SB Voltage Auto Allows you to set the SouthBridge voltage The values range from 1 20V to 1 35V with a 0 15V interval 2 4 12 CPU Spread Spectrum Enabled Set to Disabled to enhance FSB overclocking ability or Enabled for EMI control Configuration options Disabled Enabled 2 4 13 PCIE Spread Spectrum Enabled Set to Disabled to enhance PCIE overclocking ability or Enabled for EMI control Configuration options Disabled Enabled 2 4 14 SB Clock Spread Spectrum Disabled We recommend that you leave this item to its default setting for system stability Configuration options Disabled Enabled ASUS M4A78 PRO 2 5 Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices AN Be cautious when changing the settings of the Advanced menu items Incorrect field values can cause the system to malfunction BIOS SETUP UTILITY Main Ai Tweaker Advanced Power Boot Tools Exit CPU Configuration Configure CPU Chipset Onboard Devices Configuration USB Configuration lt gt Select Screen tI Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit v02 61
10. 5 oHa C ep WO Ql O USB1112 USB910 USB78 M4A78 PRO ASUS GND NC USB 5V USB_P12 USB P12 USB 5V USB_P10 USB_P10 USB 5V USB_P8 USB_P8 USB 5V USB_P6 USB P6 GND NC GND NC GND NC 0 GND GND USB P5 PIN 1 PIN 1 PIN1 PIN1 GND GND USB 5V USB P11 USB P11 USB 5V USB P9 USB P9 USB 5V USB P7 USB P7 USB 5V USB P5 M4A78 PRO USB2 0 connectors Never connect a 1394 cable to the USB connectors Doing so will damage the motherboard VA The USB 2 0 module is purchased separately 8 Floppy disk drive connector 34 1 pin FLOPPY This connector is for a Floppy Disk Drive FDD signal cable Insert one end of the cable to this connector then connect the other end to the signal connector at the back of the floppy disk drive ig E po n o Camna alaaa alg M4A78 PRO FLOPPY O BEEBE ERR EER REE eee E BRR EE
11. HYMP 512U64CP8 55AB 1GB DS Kingmax KLDD48F B8KB5 1GB SS Kingmax KLDE88F B8KB5 2GB DS Chip No AM4B5808CQJS8E0740E Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package N2TU16800E AC N2TU 51280BE 250802006Z1DV N2TUG80DE AC Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package GL2L64M088BA30EB GL2L64M088BA30EB GL2L64M088BA30EB GL2L128M88BA25AB GL2L64M088BA30EB GL2L128M88BA25AB GL2L128M88BA25AB Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package Heat Sink Package HY5PS12821CFP S5 HY5PS12821CFPS5 KKB8FFBGXF CFA 25U KKB8FFBGXF CFA 25U CL N A N A 5 5 N A N A DIMM socket Chip support Optional Brand A B Apacer Corsair Corsair N A N A Elixir G SKILL G SKILL G SKILL G SKILL G SKILL GEIL GEIL GEIL GEIL GEIL GEIL GEIL GEIL GEIL GEIL GEIL GEIL GEIL GEIL GEIL GEIL GEIL Hynix Hynix Kingmax Kingmax i ASUS M4A78 PRO DDR2 800MHz capability continued DIMM socket Chip support Optional Brand Vendor Part No Chip No CL A B Kingston KHX6400D2LLK2 1GN 512MB SS Heat Sink Package N A Kingston Kingston KVR800D2N5 512 512MB SS E5108AJBG 8E E 0803A9082 N A Kingston Kingston KVR800D2N6 512 512MB SS E5108AJBG 8E E N A Elpida Kingston KHX
12. TurboV Feel the adrenaline rush of real time O C now a reality with the ASUS TurboV This easy O C tool allows you to overclock without exiting or rebooting the OS and its user friendly interface makes overclock with ust a few clicks away More the ASUS OC Profiles in TurboV provides the best O C settings in different scenarios ASUS Turbo Key ASUS Turbo Key allows the user to turn the PC power button into a physical overclocking button After the easy setup Turbo Key can boost performances without interrupting ongoing work or games with just one touch Other ASUS Features ASUS Express Gate O 55ec Taking only 5 seconds to bootup Express Gate is the one stop gateway to instant fun It s a unique motherboard built in OS You can utilize the most popular Instant Messengers IM like MSN Skype Google talk QQ and Yahoo Messenger to keep in touch with friends or quickly check on the weather and e mails just before leaving your house What s more the user friendly picture manager lets you view your pictures without entering Windows at anytime VA The actual boot time depends on the system configuration a Chapter 1 Product introduction 1 3 1 4 1 4 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings AN Unplug the power cord from the wall socket before touching any component Before handling components use a ground
13. before each item on any 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 menu 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 lt Enter gt to display a list of options Refer to 2 2 8 Pop up window 2 2 7 General help At the top right corner of the menu screen is a brief description of the selected item 2 2 8 Pop up window Select a menu item then press lt Enter gt to F E are ee display a pop up window with the configuration spend Mode nn alet Version Features Disabled ACPI APIC support Disabled options for that item es 2 2 9 Scroll bar A scroll bar appears on the right side of a menu screen when there are items that do not fit on the screen Press the lt Up gt lt Down gt arrow keys or lt Page Up gt lt Page Down gt keys Scroll bar to display the other items on the screen Pop up window i v02 61 C Copyright 198 5 2008 American Megatrends Inc ASUS M4A78 PRO 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 Refer to section 2 2 1 BIOS menu scree
14. of the motherboard and the new technology it supports Chapter 2 BIOS setup This chapter tells how to change system settings through the BIOS Setup menus Detailed descriptions of the BIOS parameters are also provided vii 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 complete a task CAUTION Information to prevent damage to the components when trying to complete a task IMPORTANT Instructions that you MUST follow to complete a task Z 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 Italics lt Key gt lt Key1 gt lt Key2 gt lt Key3 gt Command viii Indicates a menu or an item to select Used to emphasize a word or a phrase Keys enclosed in the less than and greater than sign means that you must press the
15. only when you are using an HDTV compliance resolution such as 480i 720i or 1080i Chapter 1 Product introduction 1 21 1 10 2 Internal connectors 1 CPU Chassis and Power Fan connectors 4 pin CPU FAN 3 pin CHA FAN1 3 pin PWR 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 making sure that the black wire of each cable matches the ground pin of the connector AN 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 m gt Gcru FAN CPU FAN PWM CPU FAN IN g5 CPU FAN PWR GND B 2 G am PWR FAN 12V M4A78 PRO Rotation C KOM CHA1 FAN SSE GND fs 12V Oo Rotation a Lis al mmn M4A78 PRO Fan connectors Z Only the CPU_FAN and CHA_FAN1 connectors support the ASUS Q FAN 2 feature 2 Chassis intrusion connector 4 1 pin CHASSIS This connector is for a chassis mounted in
16. selection of the CPU frequency multiplier Configuration options Auto 4 00x 5 00x 6 00x 7 00x 8 00x 9 00x 2 4 3 HT Link Speed Auto Allows you to set the CPU Northbridge HyperTransport link speed Configuration options Auto 200 MHz 400 MHz 600 MHz 800 MHz 1 GHz 1 2 GHz 1 4 GHz 1 6 GHz 1 8 GHz Memory Configuration This item appears only when you set the Al Overclocking item to Manual and allows you to change the advanced memory settings Bank Interleaving Auto Allows you to enable or disable the bank memory interleaving Configuration options Disabled Auto Channel Interleaving XOR of Address bit 20 16 6 Allows you to set the channel interleaving mode Configuration options Disabled Address bits 6 Address bits 12 XOR of Address bits 20 16 6 XOR of Address bits 20 16 9 MemClk Tristate C3 ATLVID Disabled Allows you to enable or disable MemClk Tri Stating during C3 and Alt VID Configuration options Disabled Enabled Memory Hole Remapping Enabled Allows you to enable or disable memory remapping around memory hole Configuration options Disabled Enabled DCT Unganged Mode Auto Allows selection of the unganged DRAM mode Configuration options Auto Enabled Disabled Power Down Enable Disabled Allows you to enable or disable the DDR power down mode Configuration options Disabled Enabled Power Down Mode Channel Appears only whe
17. the next page xi xii M4A78 PRO specifications summary BIOS features 8 Mb Flash ROM AMI BIOS PnP DMI 2 0 WfM2 0 SM BIOS 2 5 ACPI 2 0a ASUS EZ Flash 2 Support DVD contents Drivers Express Gate ASUS PC Probe II ASUS Update AMD OverDrive Utility AOD Anti Virus Utility OEM version Form factor ATX form factor 12 in x 9 6 in 30 5 cm x 24 4 cm Specifications are subject to change without notice Product introduction 1 1 Welcome Thank you for buying an ASUS M4A78 PRO 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 M4A78 PRO motherboard Cables 1 x Serial ATA cable 2 x SATA cables Accessories 1 x I O shield Application DVD ASUS motherboard support DVD Documentations User manual Z 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 X4 Athlon X3 Athlon X2 processors socket AM3 This motherboard supports AMD AM3 multi core processors with unique L3 cache and delivers better overclocking capabilities with less power consumption It features dual channe
18. 008 American Megatrends Inc 2 4 1 Al Overclocking Auto Allows selection of CPU overclocking options to achieve desired CPU internal frequency Configuration options Manual Auto Z The following three 3 items appear only when you set the Ai Overclocking item to Manual CPU Ratio Auto Allows you to adjust the ratio between CPU Core Clock and FSB Frequency Use the lt gt and lt gt keys to adjust the value Configuration options Auto 8 00x 8 50x 9 00x 9 50x 10 00x 10 50x 11 00x FSB Frequency XXX Displays the frequency sent by the clock generator to the system bus and PCI bus Use the lt gt and lt gt keys to adjust the FSB frequency You can also type the desired FSB frequency using the numeric keypad The values range from 200 to 600 PCIE Frequency XXX Use the lt gt and lt gt keys to adjust the PCIE frequency You can also type the desired PCIE frequency using the numeric keypad The values range from 100 to 150 2 4 2 DRAM Frequency Control Auto Allows you to select the DRAM frequency control method Configuration options Auto Manual ASUS M4A78 PRO DRAM Frequency 667MHz This item appears only when you set the Dram Frequency Control item to Manual and allows you to manually set the Dram frequency Configuration options 667MHz 800MHz 1067MHz CPU NB Frequency Auto This item appears only when you set the Al Overclocking item to Manual and allows
19. 1 6 2 Installing the heatsink and fan eesorrsvrrrrvrrrvrrrnrrrrrrrennnr 1 8 1 7 System TEN ee 1 10 1 7 1 OE EE 1 10 1 7 2 Memory configurations rrnennnvnnnvnnnvnnnvnnnvnnrnnnrnnnnnnne 1 10 LES Installing a DIMM acotesamacieneceiensauuientsnrcandeanedsaveresceyvatvahies 1 15 174 Removing a DIMM EE 1 15 1 8 EXPANSION SOS ease 1 16 1 8 1 Installing an expansion card ssoresnrnronrrnnrnrrnrnrnnrrnnnennr 1 16 1 8 2 Configuring an expansion card essrrrsrrrvrrrrrrrrnrrvrrreenr 1 16 i cc PUSS 1 16 1 8 4 PO Express X1 SIMS Lassen 1 16 185 PGI Express X16 SlOW css cecnsazcacesdcttantacdeccnsesdcaceecchcecessszt 1 16 1 9 SUMPET S aossen Na aeS 1 17 IO CGOnneclors sosoran seinan aa akiai 1 19 1 10 1 Rear panel connectors m ruvvrrnsvrrrvrvervvrerrerrrrreerene 1 19 1 10 2 Internal connectors ecsccsicecseccsce eared vaccevsidneassesevedavevearseiaxa 1 22 Contents 1 11 SOVE SUP 1 31 1 11 1 Installing an operating system rrrrrrrnnnnrrnrnrrnrnnnnnnnnne 1 31 1 11 2 Support DVD nOMmaIONLamavsaosvnsemensst 1 31 Chapter 2 BIOS information 2 1 Managing and updating your BIOS rsnvrranvrnnvrnnnvrnnvvnnnvrnnvrnvnvennn 2 1 2 1 1 Creating a bootable floppy dISK c ccssesseressseeeseees 2 1 2 1 2 ASUS Update utility ven 2 2 215 ASUS EZ Flash 2 MN gece ascstscete ceccssonsscesessdsncusticnsaavects 2 3 212 FRPS er 2 4 2 1 5 ASUS CrashFree BIOS 3 utility nrrsnrrrnrrrnrrrrnrrrrnvernrenn 2 5 2 2 BIOS set
20. 2Bit Data Transfer Enabled Enables or disables 32 bit data transfer Configuration options Disabled Enabled 2 3 5 SATA 1 6 While entering Setup the BIOS automatically detects the presence of Serial ATA devices There is a separate submenu for each SATA device Select a device item then press lt Enter gt to display the SATA device information The BIOS automatically detects the values opposite the dimmed items Device Vendor Size LBA Mode Block Mode PIO Mode Async DMA Ultra DMA and SMART monitoring These values are not user configurable These items show Not Detected if no Serial ATA device is installed in the system LBA Large Mode Auto Enables or disables the LBA mode Setting 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 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 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 ASUS M4A78 PRO DMA Mode Auto Selects the DMA mode Configuration options Auto SMART Monitorin
21. 3F8 IRQ4 Allows you to select the Serial Porti base address Configuration options Disabled 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 2E8 IRQ3 ASUS M4A78 PRO 2 5 4 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 detected the item shows None USB Support Enable Allows you to enable or disable the USB Functions Configuration options Enabled Disabled Legacy USB Support Enabled Allows you to enable or disable support for USB devices on legacy operating systems OS Setting to Auto allows the system to detect the presence of USB devices at startup If detected 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 Allows you to configure the USB 2 0 controller in HiSpeed 480 Mbps or Full Speed 12 Mbps Configuration options FullSpeed HiSpeed BIOS EHCI Hand off Enabled Allows you to enable the support for operating systems without an EHCI hand off feature Configuration options Disabled Enabled 2 6 Power menu The Power menu items allow you to change the settings for the Advanced Configuration and Power Interface ACPI and the Advanced Power Manag
22. 6400D2 2G 2GB DS Heat Sink Package N A Kingston Kingston KHX6400D2K2 2G 2GB kit of 2 DS Heat Sink Package N A Kingston Kingston KHX6400D2LL 1G 1GB DS Heat Sink Package N A Kingston D6408TR4CGL25USL3624 kingston KVR800D2N5 1G 1GB DS O6PECXA N A kingston Kingston KVR800D2N5 2G 2GB DS E1108ACBG 8E E N A Elpida Kingston KVR800D2N6 2G 2GB DS 461625 010819 PTGC N A Kingston j Micron MT9HTF12872AY 800E1 1GB SS D9HNP 7YE22 ECC 6 Micron Micron MT9HTF6472AY 80ED4 512MB SS 6ED22D9GKX ECC 5 Micron Micron MT18HTF12872AY 80ED4 1GB DS 6TD22D9GKX ECC 5 Micron OCZ OCZ2G800R22GK 1GB DS Heat Sink Package 5 OCZ OCZ OCZ2P8004GK 2GB DS Heat Sink Package 5 OCZ OCZ OCZ2P800R22GK 1GB DS Heat Sink Package 4 OCZ OCZ OCZ2RPR8002GK 1GB DS Heat Sink Package 4 OCZ OCZ OCZ2VU8004GK 1GB DS Heat Sink Package 6 OCZ PSC AL7E8E63H 10E1K 2GB DS A8R1GE3CFF750RABBP ECC 5 PSC PSC AL8E8F73C 8E1 2GB DS A8R1GE3CFF734MAA0E 5 PSC PSC PL8E8F73C 8E1 2GB DS SHG772 AA3G N A PSC PSC PL8E8G73E 8E1 2GB DS XCP271A3G A N A psc Samsung M378T2863QZS CF7 1GB SS K4T1G084QQ HCF7 6 Samsung Samsung M378T6553GZS CF7 512MB SS K4T51083QG HCF7 6 Samsung Samsung M391T2863QZ3 CF7 1GB SS K4T1G084QQ HCF7 ECC 6 Samsung Samsung M378T5263AZ3 CF7 4GB DS K4T2G084QA HCF7 N A Samsung i Transcend JM800QLU 1G 1GB SS TQ1243PCF8 5 Transcend Transcend TS128MLQ64V8U 1GB SS E1108ACBG 8E E Elpaid Transcend TS64MLQ64V8J 512MB SS 7HD22 D9GMH 5 Micron Transcend JM800QLJ 1G 1GB DS TQ123P
23. 8 HT 51010 serseri 2 16 249 ENE essensen ai 2 16 2410 NB 18V Voltage amnesi sansene 2 16 2 4 11 SB Voltage rer 2 16 2 4 12 CPU Spread Spectrum ccccccsccsssesssessseesseessees 2 16 2 4 13 PCIE Spread Spectrum rrrnnrnnnnvennnvvrrnnvrnnnvennnvvrnnnvenn 2 16 2 4 14 SB Clock Spread Spectrum rrarernnrnrnvenrnrrrnvvarnvrennennnne 2 16 Advanced MENU ugress 2 17 2 5 1 PIN 2 17 EEG 1050 EEE 2 18 2 5 3 Onboard Devices Configuration xrrarnravnvvarnvronvennnne 2 20 2 5 4 USB Configuration Aae 2 21 Power Men 44444424 2 21 2 6 1 Suspend Mode ccccesesseceessecsseecsseeesseeesssesssneeseas 2 22 2 6 2 Repost Video on S3 RESUME ccccccceeceeseseessseeees 2 22 2609 ACGPI2 0 SUPPO EEE 2 22 2 6 4 ACPI APIC Support rrrrnnvernnvernnnvrnsnvrrsnvversnvrrrnrrrrnvnen 2 22 2 6 5 APM Configuration eeeeeeeeeeeeseeenesrerrnnrrerrerrrerenenen 2 22 2 6 6 Hardware Monitor sisuscotcesecttsceinsetsnacctstetecdulecennsssevetentacs 2 23 BOOL MENU cise ters anaa aR EESPERE 2 24 2 7 1 Boot Device Priority srcnsteciecctuseriiantnensvsadenasenreraieteuanats 2 24 2 7 2 Boot Settings Configuration srmrsrrranvrrrvrvrnvrrrrrrnvenenn 2 24 2a EEE 2 25 TOOLS METE ee 2 26 2 8 1 ASUS EZ Flasi ene 2 26 2 8 2 Express Gate munnsnmeinienmninndriuisdtetdei 2 26 2 8 3 ASUS O C ProllG gauasenagnmmssjunumniij e 2 27 204 ADET Lu 2 27 ER ME 2 28 vi Notices Federal Communications Commission Statement This device com
24. A78 PRO System panel connector System power LED 2 pin PWRLED 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 HDLED 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 Power Soft off button 2 pin PWRBTN This 2 pin 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 M4A78 PRO 7 USB connectors 10 1 pin USB56 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 480 Mbps connection speed a
25. DMA Ultra DMA and SMART monitoring These values are not user configurable These items show Not Detected if no IDE device is installed in the system Type Auto Selects the type of IDE drive Setting to Auto allows automatic selection of the appropriate IDE device type Select CDROM if you are specifically configuring a CD ROM drive Select ARMD ATAPI Removable Media Device if your device is either a ZIP LS 120 or MO drive Configuration options Not Installed Auto CDROM ARMD Chapter 2 BIOS setup 2 9 2 10 LBA Large Mode Auto Enables or disables the LBA mode Setting 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 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 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 3
26. Disabled Enables or disables checking of the Atheros LAN cable during the Power On Self Test POST Configuration options Disabled Enabled Chapter 2 BIOS setup 2 27 2 28 2 9 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 Ai Tweaker Advanced Power Boot Tools Exit Exit Options Exit system setup after saving the Exit amp Save Changes changes Exit amp Discard Changes Discard Changes F10 key can be used hi tion Load Setup Defaults or this operation Select Screen fl Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit v02 61 C Copyright 1985 2008 American Megatrends Inc Pressing lt Esc gt does not immediately exit this menu Select one of the options from this 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 If you attempt to exit the Setup program without saving your changes the program prompts you with a message asking if you want to save your changes before exiting P
27. Help Save and Exit Exit v02 61 C Copyright 1985 2008 American Megatrends Inc 2 7 1 Boot Device Priority 1st xxth Boot Device 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 1st FLOPPY DRIVE Hard Drive ATAPI CD ROM Disabled 2 7 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 set to Disabled BIOS performs all the POST items Configuration options Disabled Enabled Full Screen Logo Enabled This allows you to enable or disable the full screen logo display feature Configuration options Disabled Enabled Set this item to Enabled to use the ASUS MyLogo 2 feature AddOn ROM Display Mode Force BIOS Sets the display mode for option ROM Configuration options Force BIOS Keep Current Bootup Num Lock On Allows you to select the power on state for the NumLock Configuration options Off On Wait for F1 If Error Enabled When set to Enabled the system waits for the F1 key to be pressed when error occurs Configuration options Disabled Enabled ASUS M4A78 PRO Hit DEL Message Display Enabled When set to Enabled the system displays the m
28. JF8F0801 5 Transcend Transcend JM800QLU 2G 2GB DS TQ243PCF8 5 Transcend Transcend TS128MLQ64V8J 1GB DS 7HD22D9GMH 5 Mircon Transcend TS256MLQ64V8U 2GB DS E1108ACBG 8E E 5 Elpida Transcend TS256MLQ72V8U 2GB DS E1108ACBG 8E E ECC N A Elpida VDATA M2GVD6G3H3160Q1E52 512MB SS VD29608A8A 25EG20813 N A VDATA Samsung M391T5663QZ3 CF7 2GB DS K4T1G084QQ HCF7 ECC 6 Samsung Chapter 1 Product introduction 1 13 1 14 DDR2 667MHz capability Vendor ADATA ADATA Apacer Apacer Apacer Apacer Apacer Corsair G SKILL G SKILL GEIL GEIL Kingmax Kingmax Kingston Kingston Kingston Kingston Nanya Nanya PSC PSC PSC Qimonda Qimonda Samsung Super Talent Transcend Twinmos ELIXIR ELIXIR Leadmax Kingston Kingston M20AD5G314170Q1C58 1GB M2O0AD5H3J41 7011 C53 2GB 78 01G90 9K5 1GB 78 91G92 9K5 512MB AU 512E667C5KBGC 512MB 78 A1G90 9K4 2GB AU01GE667C5KBGC XMS2 5400 F2 5300CL5D 4GBMQ AGB kit of 2 F2 5400PHU2 2GBNT 2GB kit of 2 GX22GB5300LX 2GB GX24GB5300LDC 2GB KLCC28F A8KB5 512MB KLCD48F A8KB5 1GB KVR667D2N5 512 512MB KVR667D2N5 1G 1GB KVR667D2N5 2G 2GB KVR667D2N5 2G 2GB NT 512T64U88A1BY 3C 512MB NT1GT64U8HBOBY 3C 1GB AL6E8E63J 6E1 512MB AL7E8F73C 6E1 1GB AL7E8E63J 6E1 1GB HYS64T64000EU 3S B2 512MB HYS64T 128020EU 3S B2 1GB M378T5263AZ3 CE6 4GB T667UB1GV 1GB JM667QLJ 1G 1GB 8D A3JKSMPETP 512MB M2Y1G64TU8HA2B 3C 1GB M2Y1G64TU8HBOB 3C 1GB LAM
29. P 512U64A8 Y5 1GB KVR667D2E5 1G 1GB KVR667D2E5 2G 2GB SS DS DS DS SS SS SS DS DS DS DS DS DS DS SS DS SS DS DS DS SS DS SS SS DS SS DS DS DS DS SS DS DS DS DS DS Chip No CL AD29608A8A 3EG80814 N A AD20908A8A 3EG 30724 N A AM4B5808CQJS7E0751C 5 AM4B5708JQJS7E0751C 5 AM4B5708GQJS7E06332F 5 AM4B5808CQJS7E0749B 5 AM4B5708GQJS7E0636B N A Heat Sink Package Heat Sink Package D2 64M8CCF 0815 C7173S Heat Sink Package Heat Sink Package 5 KKEA88B4LAUG 29DX N A KKEA88B4LAUG 29DX N A 501237650821 SBP D6408TR4 CGL25USL074905PECNB N A 01280420822 SOP D6408TR4 CGL25USL156304PECXA N A 7RE22 DOHNL N A E1108ACBG 8E E 0813A90CC N A NT5TU64M8AE 3C N A NT5TU64M8BE 3C72155700CP 5 A3R12E3JFF717B9A00 5 A3R1GE3CFF734MAA0J 5 A8R12E3JFF717B9A01 5 HYB18T 512BO0B2F3SFS528171 HYB18T 512BO0B2F3SFS528171 K4T2G084QA HCE6 N A PG 64M8 800 0750 E5108AJBG 6E E A3R12E3GEF633ACAOY 5 M2TU 51280AE 3C717095R28F 5 N2TU 51280BE 3C639009W1CF HYSPS12821CFP Y5C702AA N A E5108AJBG 8E E ECC 5 NT5TU128M8DE 3C ECC 5 DIMM socket Chip support Optional Brand A B C ADATA ADATA Apacer Apacer Apacer Apacer Apacer Corsair GEIL GEIL Kingmax Kingmax Kingston Kingston Micron Elpida Nanya Nanya PSC PSC PSC Qimonda Qimonda Samsung Super Talent
30. PW1 4 1 2 2 3 P 5V 5VSB Default i USBPW9 12 a USBPW5 8 O 1 2 2 3 SS om El El n 5V 5VSB Default M4A78 PRO USB device wake up ASUS M4A78 PRO 1 10 Connectors 1 10 1 Rear panel connectors O00000000 o00000p00 OG DOODODPOO Oo Oo O O O 98 1 PS 2 mouse port This port is for a PS 2 mouse 2 Video Graphics Adapter VGA port This 15 pin port is for a VGA monitor or other VGA compatible 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 Activity LED Speed LED Status Description Status Description status _ Description Status _ Description ACTLED SPEED LED aS ra No link OFF 10 Mbps connection OFF ORANGE 100 Mbps connection BLINKING Data activity GREEN 1 Gbps connection LAN port 4 PS 2 keyboard port This port is for a PS 2 keyboard HDMI Out port This port is for a high definition multimedia interface HDMI connector DVI I Out port This port is for any DVI I compatible device and are HDCP compliant allowing playback of HD DVD Blu Ray and other protected content 7 Optical S PDIF Out port This port connects an external audio output device via an optical S PDIF cable 8 USB 2 0 ports 3 and 4 These two 4 pin Universal Serial Bus USB ports a
31. RE Ree SSeS EE PIN1 NOTE Orient the red markings om O y on the flo ribbon cable to PIN 1 Fm U ppy M4A78 PRO Floppy disk drive connector Pin 5 on the connector is removed to prevent incorrect cable connection when using an FDD cable with a covered Pin 5 The Floppy Disk Drive signal cable is purchased separately Chapter 1 Product introduction 1 27 9 Optical drive audio in connector 4 pin CD This connector allows you to receive stereo audio input from sound sources such as a CD ROM TV tuner or MPEG card i DE mm S Left Audio Channel Right Audio Channel E M4A78 PRO Internal audio connector 10 Digital audio connector 4 1 pin SPDIF_OUT This connector is for an additional Sony Philips Digital Interface S PDIF ports gt E g B ET SPDIF_OUT Er 5
32. TICE 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 EMNE iii NOE cesses n E vi Safety information EE nnna vii About this GUTEN vii M4A78 PRO specifications summary rrasvrnnnernnvrnnnernnvernnvrnnnennnvernnervnnnnnner ix Chapter 1 Product introduction 1 1 WV CIC OMG see 1 1 1 2 Package ME Suave 1 1 1 3 Special TO A OS asi acess cee scicescise sete coieiuoetsatasunsetensaveanesuaanonssencnsects 1 1 1 3 1 Product highlights siccncis dntceassnasvasomnincarsarsapsieanornmosienisnrss 1 1 1 3 2 Innovative ASUS features rrrrrrrnrvrrnnrrrrnverrnrvrrnnvrrrnvernn 1 2 1 4 Before VOU proceed Lune 1 4 1 5 Motherboard Overview srrursvvrunnnvnvnnnnvennnnnnnnnnnnernnnnvnnnnnnvevennnennn 1 5 1 5 1 Placement direction wizacacsixecnssencaveaccansntanaviaaneasaavereenrennnds 1 5 22 CLOW holes eee enden 1 5 1 5 3 Motherboard SOUL sner eeseusnee 1 6 Eeg EE EE 1 6 1 6 Central Processing Unit CPU rrrannvvrnrnnnvrnnnnvrnnnnnnvnnnnnersnnneenr 1 7 1 6 1 Installing the CPU osc csaeectresucacsmedcenasantemagaeaneventsnngevees 1 7
33. ains 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 firmware chip The firmware 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 If you wish to enter Setup after POST reboot the system by doing any of the following procedures e Restart using the OS standard shut down procedure Press Ctrl gt lt Alt gt lt Del gt simultaneously e Press the reset button on the system chassis e Press the power button to turn the system off then back on AN Using the power button reset button or the Ctrl gt lt Alt gt lt Del gt keys to force reset from a running operating system can cause damage to your data or system We recommend to always shut down the system properly from the operating system The Setup program is designed to make it as easy to use as possible Being a menu driven program it lets you scroll through the v
34. alue using the numeric keypad The values range from 150 to 1000 Surround View Auto If you set the PCI Express device as the primary display and enable this item you may use the internal graphics as the secondary display Configuration options Disabled Auto FB Location Above 4G Configuration options Below 4G Above 4G AMD 780 HD Audio Enable Enables or disables the Northbridge HD audio support Configuration options Disabled Enable PCI Express Configuration This menu allows you to change the PCI Express Configuration settings Select an item then press lt Enter gt to display the sub menu GFX Dual Slot Configuration Auto Configuration options Auto Enable Disabled GPP Slots Power Limit W 25 Use the lt gt and lt gt keys to change the value or type the desired value using the numeric keypad The values range from 0 to 255 Port 02 Features Gen2 High Speed Mode Auto Configuration options Auto Disabled Software Initiated Advertised RC Link ASPM Disabled Configuration options Disabled LOs L1 LOs amp L1 Link Width Auto Configuration options Auto x1 Mode x2 x4 x8 Mode x16 Chapter 2 BIOS setup 2 19 2 20 Slot Power Limit W 75 Use the lt gt and lt gt keys to change the value or type the desired value using the numeric keypad The values range from 0 to 255 Port 04 05 06 07 09 10 Features Gen2 High Speed Mode Disabled Configurati
35. arious submenus and make your selections from the available options using the navigation keys aN e The default BIOS settings for this motherboard apply for 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 Setups Default item under the Exit Menu See section 2 9 Exit Menu e The BIOS setup screens shown in this section are for reference purposes only and may not exactly match what you see on your screen e Visit the ASUS website at www asus com to download the latest BIOS file for this motherboard ASUS M4A78 PRO 2 2 1 BIOS menu screen Menu items Menu bar Configuration fields General help BIOS SETUP UTILITY Ai Tweaker Advanced Power Boot Tools System Time 10 17 30 Use ENTER TAB System Date Tue 08 27 2008 Legacy or SHIFT TAB to Diskette A 1 44M 3 5 in select a field Primary IDE Master Not Detected Use or to Primary IDE Slave Not Detected configure system Time SATA1 Not Detected SATA2 Not Detected SATA3 Not Detected SATA4 Not Detected SATA5 Not Detected SATA6 Not Detected Select Screen Storage Configuration Select Item Change Field System Information Select Field General Help Save and Exit Exit gt gt gt gt gt gt gt gt gt gt v02 61 C Copyright 1985 2008 American Megatrends Inc
36. cer 78 AAGAL 9KZ 4GB kit of 2 DS Heat Sink Package 5 5 5 15 NA G SKILL F2 8500CL5D 2GBPK 2GB kitof2 DS Heat Sink Package 5 5 5 15 N A G SKILL F2 8500CL5D 4GBPK 4GB kitof2 DS Heat Sink Package 5 5 5 15 N A G SKILL F2 8500CL5S 1GBPK 2GB DS Heat Sink Package 5 5 5 15 G SKILL GEIL GB24GB8500C5QC 2GB SS GL2L128M88BA25AB 5 GEIL GEIL GE22GB1066C5DC 2GB SS Heat Sink Package 5 GEIL GEIL GE24GB1066C5QC 2GB DS Heat Sink Package GEIL GEIL GX24GB8500C5UDC 4GB kit 0f2 DS Heat Sink Package 5 N A Kingmax KLED48F A8K15 2GB DS KKA8FFIXF JFS 18A N A Kingmax Kingston KHX8500D2 512 512MB SS Heat Sink Package N A Kingston s Kingston KHX8500D2K2 1GN 512MB SS Heat Sink Package N A Kingston Kingston Heat Sink Package 2GB DS KHX8500AD2 2G 7 7 7 20 N A Kingston KHX8500D2K2 2GN 2GB DS Heat Sink Package N A Kingston ocz OCZ2N1066SR2DK 2GB kit of2 DS Peckaye EPP 55615 OCZ HYB18T1G800C2F Qimonda HYS64T128000EU 1 9 C2 2GB DS 1 9FSS25253 N A Qimonda Transcend TX1066QLU 2GK 2GB kit of 2 SS Heat Sink Package Transced Transcend TX1066QLJ 2GK 2GB DS Heat Sink Package Transced Transcend TX1066QLU 4GK 4GB kit of 2 DS Heat Sink Package Transced Due to AM2 CPU limitation only one DDR2 1066 DIMM is supported per channel When four DDR2 1066 DIMMs are installed all DIMMs run at 800Mhz frequency by default for system stability DDR2 800MHz capability DIMM socket SS F Chip support Optional Vendor Part No DS Chip No B
37. ch between drives until the correct BIOS file is found 4 When the correct BIOS file is found EZ Flash 2 performs the BIOS update process and automatically reboots the system when done A e This function can support devices such as USB flash disk or floppy disk 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 Chapter 2 BIOS setup 2 3 2 1 4 AFUDOS utility The AFUDOS utility allows you to update the BIOS file in DOS environment using a bootable floppy disk This utility also allows you to copy the current BIOS file that you can use as backup when the BIOS fails or gets corrupted during the updating process Ensure that you prepare two floppy disks the bootable floppy disk and the floppy disk containing the AFUDOS utility and the latest BIOS file Ensure that the floppy disk is not write protected and has at least 1072KB to save the AFUDOS and BIOS files e The succeeding BIOS screens are for reference only The actual BIOS screen displays may not be the same as shown Updating the BIOS file To update the BIOS file using the AFUDOS utility 1 Insert the bootable floppy disk into the floppy disk drive to boot the system in DOS mode 2 Replace the bootable floppy disk and insert the floppy disk that contains the AFUDOS utility and the latest BIOS file Obtain the AFUDOS utility afudos exe from the bundled suppo
38. ctors NOTE Connect the right angle side of SATA signal cable to SATA device Or you may connect the right angle side of SATA cable to the onboard SATA port to avoid mechanical conflict with huge graphics cards Important note on Serial ATA Install Windows XP Service Pack 1 or later version before using Serial ATA For detailed instructions on how to configure RAID 0 RAID 1 RAID 10 and JBOD refer to the RAID manual in the support DVD 2 If you intend to create a Serial ATA RAID set using these connectors set the OnChip SATA Type item in the BIOS to RAID See page 2 11 for details Chapter 1 Product introduction 1 25 1 26 6 System panel connector 10 1 pin PANEL This connector supports several chassis mounted functions E g a TA mm PLED SPEAKER al a A a HF Er pees q m Ei Aa POOR q S on L EPEE Aa g Z vg im WwW 3 5 3 7 ne re SSS m F Sa Qa IDE LED PWRSW RESET aoaaa Requires an ATX power supply M4
39. e 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 Refer to the table on the next page for details 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 ASUS M4A78 PRO 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 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 E m E mi m ge g q O aS CLRTC 2 3 L O Normal Clear RTC ES CIOICIC
40. e onboard HDMI out port and the HDMI cable you can resize the desktop appearing on your HDTV screen To resize your HDTV desktop ii 2 3 4 5 Install AMD Chipset Driver from the motherboard support DVD Right click the desktop and select ATI CATALYST R Control Center From the Graphics Settings tree expand DTV HDMI 1 Click Scaling Options Move the Underscan Overscan slider to adjust the overall size of the display on the HDMI DTV Using this slider increases or decreases any black borders that may be visible around the outside of the display Ati Catalyst Control Center 7 k Information Center DTV H DMI o Displays Manager Graphics Adapter 2 4T Radeon HD 3200 Graphics ASUS MK221 E DTV HOM TD m Scaling Options Underscan Dverscan O AER 15 Display Options MonitonPronerties 0 Jo oe cod 0 4 VPU Recover Use the scaling values instead of the customized settings when the desktop resolution does not match your DFP resolution pf CaTarysrT Basic OK Apply Discard Defaults To ensure that forcing a custom display mode through the ATI Displays Manager does not create conflicting resolutions select the Use the scaling values instead of the customized settings when the desktop resolution does not match your DFP resolution check box Z The Scaling Options function of the DTV HDMI 1 item in the ATI CATALYST Control Ps Center is adjustable
41. e optical drive The DVD automatically displays the Drivers menu if Autorun is enabled in your computer Z The screen on the next page is used for reference only 4 Click an icon to Drivers di display Support DVD motherboard information Please select items on the right side Click an item to install locate the file ASSETUP EXE from the BIN folder Double click the ASSETUP EXE to run Z If Autorun is NOT enabled in your computer browse the contents of the Support DVD to gt the DVD Chapter 1 Product introduction 1 31 1 32 ASUS M4A78 PRO BIOS information 2 1 Managing and updating your BIOS Save a copy of the original motherboard BIOS file to a bootable floppy disk or a USB flash disk in case you need to restore the BIOS in the future Copy the original motherboard BIOS using the ASUS Update or AFUDOS utilities 2 1 1 Creating a bootable floppy disk To create a bootable floppy disk Is Insert a formatted high density 1 44MB floppy disk to the floppy disk drive 2 Follow the instructions based on your system environment DOS environment a Atthe DOS prompt type format A S then press lt Enter gt Windows XP environment a From the Windows desktop click Start gt My Computer b Select the 3 1 2 Floppy Drive icon c Click File from the menu then select Format A Format 3 1 2 Floppy window appears d Selec
42. e strength Auto Configuration options Auto 1x 1 25x 1 5x 2x DCT1 Address Command drive strength Auto Configuration options Auto 1x 1 25x 1 5x 2x DCT1 MEMCLK drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x DCT1 Data drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x DCT1 DQS drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x DCT1 Processor on die termination Auto Configuration options Auto 300 ohms 20 150 ohms 20 75 ohms 20 The following eight 8 items are adjusted by typing the desired values using the numeric keypad and press the lt Enter gt key You can also use the lt gt and lt gt keys to adjust the value To restore the default setting type auto using the keyboard and press the lt Enter gt key Processor Voltage Auto Allows you to set the CPU VCore voltage 2 4 5 CPU NB Voltage Auto Allows you to set the voltage between the CPU and Northbridge Chapter 2 BIOS setup 2 15 2 4 6 CPU VDDA Voltage Auto Allows you to set the CPU VDDA voltage The values range from 2 50V to 2 80V with a 0 10V interval 2 4 7 DRAM Voltage Auto Allows you to set the DRAM voltage The values range from 1 90V to 2 53V with a 0 09V interval 2 4 8 HT Voltage Auto Allows you to set the HyperTransport voltage The values range from 1 20V to 1 50V with a 0 10V interval 2
43. e 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 The first time wizard will run again when you enter the Express Gate environment after clearing its settings 2 8 3 ASUS O C Profile This item allows you to store or load multiple BIOS settings Add Your CMOS Profile Allows you to save the current BIOS file to the BIOS Flash In the Name sub item type your profile name and press lt Enter gt and then choose a profile number to save your CMOS settings in the Save To sub item You can save eight 8 CMOS profiles Load CMOS Profile Allows you to load the previous BIOS settings saved in the BIOS Flash Press lt Enter gt and choose a profile to load Start O C Profile Allows you to run the utility to save and load CMOS Press lt Enter gt to run the utility e This function can support devices such as a USB flash disk or a floppy disk with FAT 32 16 format and single partition only DO NOT shut down or reset the system while updating the BIOS to prevent the system boot failure Suggest only to update the BIOS file coming from the same memory CPU configuration and BIOS version Only the xxx CMO file can be loaded 2 8 4 Al NET 2 Check Atheros LAN cable
44. ed 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 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 i ii LJ M4A78 PRO ASUS m ol L as CIE O E M4A78 PRO Onboard LED SB_PWR ON OFF Standy Power Powered Off ASUS M4A78 PRO 1 5 Motherboard overview 1 5 1 Placement direction When
45. elect Express Gate Enabled and update BIOS Enter OS Timer 10 Seconds This utility supports Reset User Data No 1 FAT 12 16 32 r w 2 NTFS read only ASUS O C Profile 3 CD DISC read only AI NET 2 Select Screen Select Item Go to Sub Screen General Help Save and Exit EXIt v02 61 C Copyright 1985 2008 American Megatrends Inc 2 8 1 ASUS EZ Flash 2 Allows you to run ASUS EZ Flash 2 When you press lt OK gt a confirmation message appears Use the left right arrow key to select between Yes or No then press lt OK gt to confirm your choice 2 8 2 Express Gate Enabled Allows you to enable or disable the ASUS Express Gate feature The ASUS Express Gate feature is a unique instant on environment that provides quick access to the Internet browser and Skype Configuration options Enabled Disabled 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 ASUS M4A78 PRO Reset User Data No Allows you to clear Express Gate s user data Configuration options No Reset When setting this item to Reset make sure to save the setting to the BIOS so that the user data will be cleared the next tim
46. ement APM Select an item then press lt Enter gt to display the configuration options BIOS SETUP UTILITY Ai Tweaker Advanced Suspend Mode Auto Select the ACPI state Repost Video on S3 Resume No used for System ACPI 2 0 Support Disabled Suspend ACPI APIC support Enabled APM Configuration Hardware Monitor Select Screen Select Item Change Option General Help Save and Exit Exit v02 61 C Copyright 1985 2008 American Megatrends Inc Chapter 2 BIOS setup 2 21 2 22 2 6 1 Suspend Mode Auto Allows you to select the Advanced Configuration and Power Interface ACPI state to be used for system suspend Configuration options S1 POS Only S3 Only Auto S1 POS Only Enables the system to enter the ACPI S1 Power on Suspend sleep state In S1 sleep state the system appears suspended and stays in a low power mode The system can be resumed at any time S3 Only Enables the system to enter the ACPI S3 Suspend to RAM sleep state default In S3 sleep state the system appears to be off and consumes less power than in the S1 state When signaled by a wake up device or event the system resumes to its working state exactly where it was left off Auto Detected by OS 2 6 2 Repost Video on S3 Resume No Determines whether to invoke VGA BIOS POST on S3 STR resume Configuration options No Yes 2 6 3 ACPI 2 0 Support Disabled Allows you to add more tables for Advanced Configurat
47. ems 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 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 lt Enter gt 2 On the password box that appears type a password composed of at least six letters and or numbers then press lt Enter gt Chapter 2 BIOS setup 2 25 2 26 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 set to Setup BIOS checks for user password when accessing the Setup utility When set to Always BIOS checks for user password both when accessing Setup and booting the system Configuration options Setup Always 2 8 Tools menu BIOS SETUP UTILITY Ai Tweaker Advanced Power Boot ASUS EZ Flash 2 Press ENTER to run the utility to s
48. enclosed key Example lt Enter gt means that you must press the Enter or Return key 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 Means that you must type the command exactly as shown then supply the required item or value enclosed in brackets Example At the DOS prompt type the command line afudos iM4A78PRO ROM M4A78 PRO specifications summary AMD Phenom X4 Phenom X3 Athlon X2 Athlon Sempron processors socket AM2 AM2 Compatible with AMD Phenom II Athlon X4 Athlon X3 Athlon X2 AM3 CPU AMD 45nm CPU support AMD Cool n Quiet Technology Chipset AMD 780G SB700 System bus Up to 5200 MT s HyperTransport 3 0 interface for AM3 AM2 CPU 2000 1600 MT s for AM2 CPU Memory Dual channel memory architecture 4x 240 pin DIMM sockets support unbufferred ECC non ECC DDR2 1066 800 667 MHz memory modules Supports up to 16 GB system memory Due to AMD CPU limitation DDR2 1066 is supported by AM2 AM3 CPUs for one DIMM per channel only Refer to www asus com or this user manual for the Memory QVL Qualified Vendors Lists Due to OS limitation when installing total memory of 4GB capacity or more Windows 32 bit operation system may only recognize less than 3GB Hence a total installed memory of less than 3GB is recommended Dee ATI Radeon HD 3200 GPU S
49. essage Press DEL to run Setup during POST Configuration options Disabled Enabled 2 7 3 Security The Security menu items allow you to change the system security settings Select an item then press lt Enters gt 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 lt Enter gt 2 From the password box type a password composed of at least six letters and or numbers then press lt Enter gt 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 lt Enter gt 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 it
50. file to the disk drive or port 3 The utility displays the following message and automatically checks the floppy disk support DVD or USB flash disk for the BIOS file Bad BIOS checksum Starting BIOS recovery Checking for floppy When found the utility reads the BIOS file and starts erasing the corrupted BIOS file Bad BIOS checksum Starting BIOS recovery Checking for floppy Floppy found Reading file M4A78PRO ROM Completed Start erasing 4 Restart the system after the utility completes the updating process e Only the USB flash disk with FAT 32 16 format and single partition can support ASUS CrashFree BIOS 3 The device size should be smaller than 8GB DO NOT shut down or reset the system while updating the BIOS Doing so can cause system boot failure The utility automatically checks the floppy disk first If no floppy disk is found the utility then checks the optical drive and the USB flash disk The recovered BIOS may not be the latest BIOS version for this motherboard Download the latest BIOS file from the ASUS website at www asus com Chapter 2 BIOS setup 2 5 2 2 BIOS setup program This motherboard supports a programmable firmware chip that you can update 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 expl
51. g 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 6 Storage Configuration This menu allows you to configure the SATA devices OnChip SATA Channel Enabled Enables or disables the OnChip SATA Channel Configuration options Enabled Disabled OnChip SATA Type IDE Allows you to select the SATA type Configuration options IDE RAID AHCI e If you want to use the Serial ATA hard disk drives as Parallel ATA physical storage devices keep the default setting IDE e Ifyou want the Serial ATA hard disk drives to use the Advanced Host Controller Interface AHCI set this item to AHCI The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on random workloads by allowing the drive to internally optimize the order of commands e When SATA is configured as AHCI in BIOS only SATA port 1 4 can be detected Ensure to install the AHCI driver to detect and use SATA port 2 6 in AHCI mode under OS If you want to create a RAID 0 RAID 1 and RAID 10 configuration from the Serial ATA hard disk drives set this item to RAID 2 3 7 System Information This menu gives you an overview of the general system specifications The BIOS automatically detects the items in this men
52. gnal 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 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
53. gy combining the onboard GPU and the discrete graphics card together to enhance 3D graphics performance Visit www amd com for the Hybrid CrossfireX selected GPUs Innovative ASUS features ASUS Power Solution an rab ba lt ASUS 4 1 Phase Power Design To fully unleash the next generation AM3 CPU s potential ASUS M4A78 PRO motherboard has adopted a brand new 4 phase VRM power design It delivers high power efficiency and supreme overclocking ability Furthermore high quality power components can effective lower system temperature to ensure longer component lifespan ASUS M4A78 PRO also features an extra 1 phase power for integrated memory HT controller to provide independent power to vital components ASUS EPU The ASUS EPU Energy Processing Unit provides total system energy efficiency by detecting current PC loadings and intelligently moderating power in real time It automatically provides the most appropriate power usage for the CPU VGA card memory chipset hard drives and system fans helping save power and money ASUS Anti Surge This special design prevents expensive devices and the motherboard from damage caused by lighting strikes or power surges ASUS M4A78 PRO N Al Nap 27 With Al Nap the system can continue running at minimum power and noise when you are temporarily away To wake the system and return to the OS environment simply click the mouse or press a key ASUS EZ O C ASUS
54. ified heatsink and fan assembly To install the CPU heatsink and fan 1 Place the heatsink on top of the installed CPU making sure that the heatsink fits properly on the retention module base Z The retention module base is already installed on the motherboard upon purchase R 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 bracket lock 1 8 ASUS M4A78 PRO 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 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 N 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 assembl
55. 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 nine 9 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 Chapter 1 Product introduction 1 6 1 5 3 Motherboard layout CPU_FAN z lt ra a A SOCKET AM2 AM2 64bit 240 pin module 64bit 240 pin module 64bit 240 pin module 64bit 240 pin module DDR2 DIMM_A1 DDR2 DIMM_B1 DDR2 DIMM_A2 DDR2 DIMM_B2 AOQ00Q000000 COOOO OOOO OOOO EATXPWR M4A78 PRO SUS PCIEX16 1 EE PCIEX1 2 e rox per SATA4 SATA5 SATA6 SATA1 SATA2 SATA3 C E CLRTC USBPW9 12 VIA VT1708S PCI3 E SPDIF_OUT D HEER C aarPialalilals FLOPPY 1 5 4 Layout contents Connectors Jumpers Slots 1 Keyboard power 3 pin KBPWR ATX power connectors 24 pin EATXPWR 4 pin ATX12V CPU socket AM2 AM2 CPU Chassis and Power Fan connectors 4 pin CPU FAN 3 pin CHA_FAN1 3 pin PWR FAN DDR2 DIMM slots Serial ATA connectors 7 pin SATA1 6 IDE connector 40 1 pin PRI IDE System panel connector 10 1 pin PANEL Onboard LED SB PWR 14 Floppy disk drive connector 34 1 pin FLOPPY 15 Digital audio co
56. ion and Power Interface ACPI 2 0 specifications Configuration options Disabled Enabled 2 6 4 ACPI APIC Support Enabled Allows you to enable or disable the Advanced Configuration and Power Interface ACPI support in the Application Specific Integrated Circuit ASIC When set to Enabled the ACPI APIC table pointer is included in the RSDT pointer list Configuration options Disabled Enabled 2 6 5 APM Configuration Restore on AC Power Loss Disabled When set to Power Off the system goes into off state after an AC power loss When set to Power On the system goes on after an AC power loss Configuration options Disabled Power On Power Off Last State Power On From S5 By PME Disabled Allows you to enable or disable the PME to wake up from S5 by PCI devices Configuration options Disabled Enabled Power On By PS 2 Device Disabled Enable or disable PS 2 Keyboard Mouse to generate a wake event Configuration options Disabled Enabled Power On By Ring Disabled Enable or disable RI to generate a wake event Configuration options Disabled Enabled Power On By RTC Alarm Disabled Allows you to enable or disable RTC to generate a wake event When this item is set to Enabled the items RTC Alarm Date and RTC Alarm Time appear with set values Configuration options Disabled Enabled ASUS M4A78 PRO 2 6 6 Hardware Monitor CPU MB Temperature xxx C xxx F The onboard hardware monito
57. ion options Disabled 40ns 80ns 160ns 320ns 640ns 1 28us 2 56us 5 12us 10 2us 20 5us 41 0us 81 9us 163 8us 327 7us 655 4us 1 31ms 2 62ms 5 24ms 10 49ms 20 97ms 42 00ms 84 00ms L2 L3 Cache BG Scrub Disabled Disables or sets the L2 L3 Cache BG Scrub This item allows the L2 L3 Data Cache RAM to be corrected when idle Configuration options Disabled 40ns 80ns 160ns 320ns 640ns 1 28us 2 56us 5 12us 10 2us 20 5us 41 0us 81 9us 163 8us 327 7us 655 4us 1 31ms 2 62ms 5 24ms 10 49ms 20 97ms 42 00ms 84 00ms ASUS M4A78 PRO RS780 Configuration Internal Graphics Configuration This menu allows you to change the onboard graphics configuration settings Select an item then press lt Enter gt to display the sub menu Internal Graphics Mode UMA Allows you to set the frame buffer location for the onboard GPU Configuration options Disable UMA UMA Frame Buffer Size Auto This item appears only when you set the Internal Graphics Mode item to UMA Configuration options Auto 32MB 64MB 128MB 256MB 512MB GFX Engine Clock Override Disable Allows you to enable or disable the GFX Engine Clock Override support Configuration options Disable Enable GFX Engine Clock 650 This item appears only when you set the GFX Engine Clock Override item to Enable Use the lt gt and lt gt keys to change the value or type the desired v
58. ket 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 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 1 7 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 came with the heatsink package You can also refer to section 1 6 2 Installing heatsink and fan for instructions 7 Connect the CPU fan cable to the CPU_FAN connector on the motherboard a AA CPU_FAN Sr CPU FAN PWM lay CPU FAN IN H a CPU FAN PWR a imi po analala salala sial B ASUS 7 Q LN Do not forget to connect the CPU TPR fan connector Hardware monitoring Mr errors can occur if you fail to plug this CICICICI M4A78 PRO CPU fan connector connector 1 6 2 Installing the heatsink and fan aN Ensure that you use only AMD cert
59. l DDR2 1066 memory support and accelerates data transfer rate up to 5200MT s via HyperTransort 3 0 based system bus This motherboard also supports AMD CPUs in the new 45nm manufacturing process AMD Phenom X4 Phenom X3 Athlon X2 Athlon Sempron processors socket AM2 AM2 The 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 and AMD Cool n Quiet Technology Chapter 1 Product introduction 1 1 1 3 2 AMD 780G chipset The AMD 780G Northbridge is the latest AMD chipset designed for both HT1 0 and 5200MT s HyperTransport 3 0 HT 3 0 interface speed and external graphics in PCI Express 2 0 standard It features the integrated ATI RV610 based graphics and fully Directx 10 0 compliant Dual channel DDR2 1066 support This motherboard supports DDR2 1066 which provides faster data transfer rate and more bandwidth to increase memory data transfer rate and computing efficiency This enhances system performance in 3D graphics and other memory demanding applications Due to AM2 CPU limitation only one DDR2 1066 is supported per channel When four DDR2 1066 DIMMs are installed all DIMMs run at 800MHz frequency by default for system stability AMD Hybrid CrossFireX Technology Hybrid CrossFireX Technology is a unique multi GPU technolo
60. l High quality Conductive Polymer Capacitors ASUS MyLogo 2 AMD OverDrive Support Advanced cooling system is required when advanced overclock functions of AMD OverDrive are enabled continued on the next page M4A78 PRO specifications summary ASUS Exclusive Overclocking Features Rear panel I O ports Internal I O connectors Intelligent overclocking tools Al Overclocking Intelligent CPU Frequency Tuner ASUS TurboV ASUS Turbo Key Precision Tweaker vCore Adjustable CPU voltage at 50mv increment vDIMM 8 step DRAM voltage control vChipset 4 step Chipset voltage control SFS Stepless Frequency Selection FSB tuning from 200MHz up to 600MHz 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 purple 1 x PS 2 mouse port green 1 x S PDIF Out Optical 1 x HDMI Out 1 x D Sub 1 x DVI 1 x LAN RJ 45 4 x USB 2 0 1 1 8 channel audio I O 4 x USB connectors support additional 8 USB ports 1 x Floppy disk drive connector 1 x COM connector 1 x IDE connector 6 x SATA connectors 1 x CPU Fan connector 1 x Chassis Fan connector 1 x Power Fan connector 1 x Front panel audio connector 1 x S PDIF Out Header 1 x Chassis Intrusion connector 1 x CD audio in 1 x 24 pin ATX Power connector 1 x 4 pin ATX 12V Power connector 1 x System Panel Q Connector continued on
61. liance 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 Regulations of the Canadian Department of Communications This class B digital apparatus complies with Canadian ICES 003 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 electrical shock hazard disconnect the power cable from the electrical 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 si
62. n for information on the menu screen items and how to navigate through them BIOS SETUP UTILITY Ai Tweaker Advanced Power Boot Tools System Time 10 17 30 Use ENTER TAB System Date Tue 08 27 2008 Legacy or SHIFT TAB to Diskette A 1 44M 3 5 in select a field Primary IDE Master Not Detected Use or to Primary IDE Slave Not Detected configure system Time SATA1 Not Detected SATA2 Not Detected SATA3 Not Detected SATA4 Not Detected SATA5 Not Detected SATA6 Not Detected Select Screen Storage Configuration Select Item Change Field System Information Select Field General Help Save and Exit Exit RRP ee v02 61 C Copyright 1985 2008 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 Legacy Diskette A 1 44M 3 5 in Sets the type of floppy drive installed Configuration options Disabled 360K 5 25 in 1 2M 5 25 in 720K 3 5 in 1 44M 3 5 in 2 88M 3 5 in 2 3 4 Primary IDE Master Slave While entering Setup the BIOS automatically detects the presence of IDE devices There is a separate submenu for each IDE device Select a device item then press lt Enter gt to display the IDE device information The BIOS automatically detects the values opposite the dimmed items Device Vendor Size LBA Mode Block Mode PIO Mode Async
63. n you enable the Power Down Enable item Configuration options Channel Chip Select DRAM Timing Configuration This item appears only when you set the Al Overclocking item to Manual and allows you to change the advanced DRAM timing settings The configuration options for some of the following items vary depending on the DIMMs you install on the motherboard Chapter 2 BIOS setup 2 13 DRAM Timing Mode Auto Allows selection of the DRAM Timing Mode Configuration options Auto Both VA The following sub items appear only when you set the DRAM Timing Mode item to Both DCTO 1st Information 1 3 3 2 4 3 11 3 2 CAS Latency CL Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK 7 CLK DH Only TRCD Auto Configuration options 3 CLK 4 CLK 5 CLK 6 CLK Auto TRP Auto Configuration options 3 CLK 4 CLK 5 CLK 6 CLK Auto tRTP Auto Configuration options Auto 2 4 CLK 3 5 CLK TRAS Auto Configuration options 5 CLK 6 CLK 17 CLK 18 CLK Auto TRC Auto Configuration options 11 CLK 12 CLK 25 CLK 26 CLK Auto tWR Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK TRRD Auto Configuration options 2 CLK 3 CLK 4 CLK 5 CLK Auto DCTO 2nd Information 5 75 75 tWTR Auto Specifies the write to read delay when accessing the same DIMM Configuration options 1 CLK 2 CLK 3 CLK Auto tRFCO Auto Configurati
64. nnector 4 1 pin SPDIF OUT 16 Optical drive audio in connector 4 pin CD 17 Front panel audio connector 10 1 pin AAFP 18 Serial port connector 10 1 pin COM1 ASUS M4A78 PRO 1 6 Central Processing Unit CPU The motherboard comes with a CPU socket designed for AMD AM3 Phenom II Athlon X4 Athlon X3 Athlon X2 processors and AM2 AM2 Phenom X4 Phenom X3 Athlon X2 Athlon Sempron processors The CPU socket is not compatible with AMD Opteron processors Do not install an Opteron processor on this motherboard 1 6 1 Installing the CPU To install a CPU As Locate the CPU socket on the motherboard ie E amp gt SS faa om O hia CICICICI M4A78 PRO CPU socket AM2 AM2 2 Press the lever sideways to unlock the socket then lift it up to a 90 100 angle Socket lever N Ensure that the socket lever is lifted up to 90 100 angle otherwise the CPU will not fit in completely 3 Position the CPU above the socket such that the CPU corner with the gold triangle matches the soc
65. on options Auto 75ns 105ns 127 5ns 195ns 327 5ns tRFC1 Auto Configuration options Auto 75ns 105ns 127 5ns 195ns 327 5ns Command Rate 1T 2T Auto Allows selection of the DRAM command rate Configuration options Auto 1T 2T DCTO DCT1 Strength Config Auto Allows adjustments of the advanced DRAM strength parameters Configuration options Auto DCT 0 DCT 1 Both The following sub items appear only when you set the DCTO DCT1 Strength Config item to DCT 0 or Both DCTO CKE drive strength Auto Configuration options Auto 1x 1 25x 1 5x 2x 2 14 ASUS M4A78 PRO Z 2 4 4 DCTO CS ODT drive strength Auto Configuration options Auto 1x 1 25x 1 5x 2x DCTO Address Command drive strength Auto Configuration options Auto 1x 1 25x 1 5x 2x DCTO MEMCLK drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x DCTO Data drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x DCTO DQS drive strength Auto Configuration options Auto 0 75x 1x 1 25x 1 5x DCTO Processor on die termination Auto Configuration options Auto 300 ohms 20 150 ohms 20 75 ohms 20 The following sub items appear only when you set the DCTO DCT1 Strength Config item to DCT 1 or Both DCT1 CKE drive strength Auto Configuration options Auto 1x 1 25x 1 5x 2x DCT1 CS ODT driv
66. on options Auto Disabled Software Initiated Advertised RC Link ASPM Disabled Configuration options Disabled LOs L1 LOs amp L1 NB SB Port Features NB SB Link ASPM Disabled Configuration options Disabled L1 NP NB SB VC1 Traffic Support Disabled Configuration options Enabled Disabled Link Width Auto Configuration options Auto x1 Mode x2 x4 Primary Video Controller GFX0 GPP IGFX PCl Allows you to select which graphics controller to use as the primary boot device Configuration options GFXO GPP IGFX PCI GPP GFXO0 IGFX PCI PCl GFX0 GPP IGFX IGFX GFXO GPP PCI NB Power Management Features Auto Allows you to enable or disable the NorthBridge power management features Configuration options Auto Disable 2 5 3 Onboard Devices Configuration HD Audio Device Enabled Allows you to enable or disable the HD Audio controller Configuration options Disabled Enabled Front Panel Select HD Allows you to set the front panel audio connector AAFP mode to legacy AC 97 or high definition audio depending on the audio standard that the front panel audio module supports Configuration options AC97 HD Onboard LAN Enabled Allows you to enable or disable the onboard LAN Configuration options Enabled Disabled Onboard LAN Boot ROM Disabled Allows you to enable or disable the onboard LAN Boot ROM Configuration options Disabled Enabled Serial Port1 Address
67. ory 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 install a 64 bit Windows OS when having 4GB or more memory installed on the motherboard This motherboard does not support DIMMs made up of 256 megabit Mb chips or less Z The default memory operation frequency is dependent on its SPD Under the default state some memory modules for overclocking may operate at a lower frequency than the vendor marked value For system stability use a more efficient memory cooling system to support a full memory load 4 DIMMs or overclocking condition ASUS M4A78 PRO M4A78 PRO Motherboard Qualified Vendors Lists QVL DDR2 1066MHz capability DIMM socket support Optional Vendor Part No oS Chip No A DATA Heat Sink Package 2GB kitof2 SS AD21066E001GU 5 5 5 15 N A A DATA Heat Sink Package 4GB kitof2 DS AD21066E002GU 5 5 5 15 N A Apacer 78 0AG9S 9K4 2GB kit of 2 DS Heat Sink Package 5 5 5 15 NA Apa
68. plies with Part 15 of the FCC Rules Operation is subject to the following two conditions e This device may not cause harmful interference and e 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 e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment to an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help AN The use of shielded cables for connection of the monitor to the graphics card is required to assure comp
69. r IDE cable for Ultra DMA 133 100 66 IDE devices aN If any device jumper is set as Cable Select ensure that all other device jumpers have the same setting 1 24 ASUS M4A78 PRO 5 Serial ATA connectors 7 pin 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 a RAID 0 RAID 1 RAID 10 and JBOD configuration through the onboard SB700 chipset oo O iE mim RSATA RXP4 RSATA_TXP4 RSATA_RXP5 RSATA_TXP5 RSATA_RXP6 RSATA_TXP6 RSATA_RXN4 RSATA TXN4 RSATA RXN5 RSATA TXN5 RSATA RXN6 RSATA TXN6 GND GND GND GND GND i S gt ol S gt O M4A78 PRO SATA4 ASUS RSATA_RXP1 RSATA_TXP1 RSATA_RXP2 GND RSATA_TXP2 RSATA_RXP3 RSATA_TXP3 RSATA_RXN1 RSATA_TXN1 RSATA_RXN2 RSATA_TXN2 RSATA_RXN3 RSATA_TXN3 GND oo oo om O racic SATA1 SATA2 SATA3 M4A78 PRO SATA conne
70. r automatically detects and displays the motherboard and CPU temperatures Select Ignored if you do not wish to display the detected temperatures CPU Fan Chassis Fan 1 Power Fan Speed xxxxRPM or Ignored The onboard hardware monitor automatically detects and displays the CPU chassis and power fan speed 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 3 3V 5V 12V Voltage The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators Select Ignored if you do not wish to display the detected voltage output CPU Q Fan Function Disabled Allows you to enable or disable the CPU Q Fan feature that smartly adjusts the fan speeds for more efficient system operation Configuration options Disabled Enabled Select Fan Type PWM Fan This item appears only when you set the CPU Q Fan Function item to Enabled and allows you to select the CPU fan type you installed on the motherboard Configuration options PWM Fan DC Fan N e If you install a PWM 4 pin fan but set this item to DC Fan the fan you installed may not work e If you install a DC 3 pin fan but set this item to PWM Fan the CPU Q Fan function will not work and the fan you install will always run at full speed Quiet CPU Fan Mode Silent Allows you to set the appropriate pe
71. rand A Data AD2800E001GOU 2GB kitof 2 SS Heat Sink Package gt NA A Data M20AD6G3H3160Q1E58 512MB SS AD29608A8A 25EG80812 N A ADATA A Data AD2800E002GOU 4GB kit of 2 DS Heat Sink Package A Data M20AD6G314170Q1E58 1GB DS AD29608A8A 25EG80810 N A ADATA i Apacer 78 01GA0 9K5 1GB SS AM4B5808CQJS8E0749D Apacer Chapter 1 Product introduction 1 11 142 DDR2 800MHz capability continued SS Vendor Part No DS Apacer 78 A1GA0 9K4 2GB DS Corsair CM2X2048 6400C5 4GB kit of 2 DS Corsair XMS2 6400 1GB DS 2GB Kit of2 gg Crucial BL12864AA804 8FE5 EPP 2GB Kit of 2 gg Crucial BL12864AL804 8FE5 EPP M2Y1G64TU88D5B AC Elixir 0828 GS 1GB SS Elixir M2Y1G64TU8HBOB 25C 1GB DS M2Y2G64TU8HD5B AC 0826 SG 2GB DS Elixir G SKILL F2 6400CL5D 1GBNQ 1GB kit of 2 SS G SKILL F2 6400CL4D 2GBPK 1GB DS G SKILL F2 6400CL4D 4GBPK 2GB DS G SKILL F2 6400CL5D 2GBNQ 1GB DS G SKILL F2 6400CL5D 4GBPQ 2GB DS G SKILL F2 6400CL5Q 16GNQ 4GB DS GEIL GB22GB6400C4DC 1GB DS GEIL GB22GB6400C5DC 1GB DS GEIL GB24GB6400C4QC 1GB DS GEIL GB24GB6400C5DC DS GEIL GB24GB6400C5QC 1GB DS GEIL GB28GB6400C4QC 2GB DS GEIL GB28GB6400C5QC 2GB DS GEIL GE22GB800C4DC 1GB DS GEIL GE22GB800C5DC 1GB DS GEIL GE24GB800C4DC 2GB DS GEIL GE24GB800C4QC 1GB DS GEIL GE24GB800C5DC 2GB DS GEIL GE24GB800C5QC 1GB DS GEIL GE28GB800C4QC 2GB DS GEIL GE28GB800C5QC 2GB DS GEIL GX22GB6400DC 1GB DS GEIL GX24GB6400DC 2GB DS HY HYMP564U64CP8 S5 AB 512MB SS HY
72. rd the default is the Space Bar This feature requires an ATX power supply that can supply at least 1A on the 5VSB lead and a corresponding setting in the BIOS KBPWR Er 12 23 I Ci a gt 5V 5VSB Default al w O C1 CIC IE acy M4A78 PRO Keyboard power setting USB device wake up 3 pin USBPW1 4 USBPW5 8 USBPW9 12 Set these jumpers to 5V to wake up the computer from S1 sleep mode CPU stopped DRAM refreshed system running in low power mode using the connected USB devices Set to 5VSB to wake up from S3 and 54 sleep modes no power to CPU DRAM in slow refresh power supply in reduced power mode The USBPW1 4 jumpers are for the rear USB ports The USBPW5 8 and USBPW9 12 jumpers are for the internal USB connectors that you connect to additional USB ports j g r USB
73. re available for connecting USB 2 0 devices 9 USB 2 0 ports 1 and 2 These two 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices 10 8 channel audio ports These ports connects to a multi speaker audio system Audio 2 4 6 channel configuration Port Headset 4 channel 6 channel 8 channel 2 channel Front Speaker Out Front Speaker Out Front Speaker Out Orange Center Subwoofer Center Subwoofer Black Rear Speaker Out Rear Speaker Ou Rear Speaker Out Gry ee I Side Speaker Out Chapter 1 Product introduction 1 19 Dual display table This table indicates whether the dual display you want to use is supported or not Dual display output Support Not support DVI D Sub Playback of HD DVD and Blu Ray Discs For better playback quality we suggest that you follow the system requirements in the suggested list below N Suggested list CPU AMD Athlon 4400 BIOS setup Frame Buffer Size 256MB or higher Playback CyberLink PowerDVD 7 3 software not supporting video acceleration Best resolution File format Windows XP 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 1 20 ASUS M4A78 PRO Troubleshooting on HDTV overscaling or underscaling If your desktop is extending beyond the viewable display area or the desktop or image is not filling the entire display area while using th
74. requirement for your system refer to the Recommended Power Supply Wattage Calculator at http support asus com PowerSupplyCalculator PSCalculator aspx SLanguage en us for details Chapter 1 Product introduction 1 23 4 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 r PRI IDE a SECC ELLE LL LLL LLL L T AS D i f d o i KON NOTE Orient the red je markings on the IDE ribbon cable to PIN 1 oro FER CICI M4A78 PRO IDE connector Drive jumper setting Mode of device s Cable connector Single device Cable Select or Master Cable Select Two devices Slave Slave Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA cable connector This prevents incorrect insertion when you connect the IDE cable Use the 80 conducto
75. ress lt Enter gt to save the changes while exiting 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 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 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 ASUS M4A78 PRO
76. rformance level of the CPU Q Fan When set to Optimal the CPU fan automatically adjusts depending on the CPU temperature Set this item to Silent to minimize fan speed for quiet CPU fan operation or Performance to achieve the maximum CPU fan speed Configuration options Performance Optimal Silent Chassis Q Fan Function Disabled Allows you to enable or disable the chassis Q Fan feature that smartly adjusts the fan speeds for more efficient system operation Configuration options Disabled Enabled Quiet CHASSIS Fan Mode Silent Allows you to set the appropriate performance level of the Chassis Q Fan When set to Optimal the Chassis fan automatically adjusts depending on the Chassis temperature Set this item to Silent to minimize fan speed for quiet Chassis fan operation or Performance to achieve the maximum Chassis fan speed Configuration options Performance Optimal Silent Chapter 2 BIOS setup 2 23 2 24 2 7 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 submenu BIOS SETUP UTILITY Ai Tweaker Advanced Power Boot Settings Specifies the Boot Device Priority Boot Device Priority sequence Boot Settings Configuration Security A virtual floppy disk drive Floppy Drive B may appear when you set the CD ROM drive as the first boot device Select Screen Select Item Go to Sub Screen General
77. rt DVD and the latest BIOS file from the ASUS website at www asus com mr We recommend that you write the BIOS filename on a piece of paper You will need to key in the exact BIOS filename at the DOS prompt later 3 Atthe DOS prompt key in afudos i filename where filename is the BIOS file in the floppy disk A gt afudos iM4A78PRO ROM Press lt Enter gt AN Do not shut down or reset the system while updating the BIOS to prevent system boot failure 4 The utility returns to the DOS prompt after the BIOS updating process is completed Reboot the system from the hard disk drive 2 4 ASUS M4A78 PRO 2 1 5 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 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 update a corrupted BIOS file using the motherboard support DVD a floppy disk or a USB flash disk that contains the updated BIOS file AN Prepare the motherboard support DVD the floppy disk or the USB flash disk containing the updated motherboard BIOS before using this utility For the M4A78 PRO motherboard this utility will not function when you use a PATA optical drive Always connect the SATA cable to the SATA1 SATA 2 connector Otherwise the utility will not function Recovering the BIOS To recover the BIOS 1 Turn on the system 2 Insert the floppy disk support DVD or USB flash disk containing BIOS
78. s of the front panel cables may differ from chassis made by na different manufacturers panel connector making sure the orientation matches the labels on the motherboard O Lu uy ra IDE LED 10E LED The figure shows the Q Connector properly installed on the motherboard BT IDE LED IDE LED IDE LED ASUS M4A78 PRO 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 Motherboard settings and hardware options vary Use the setup procedures presented in this chapter for reference only Refer to your OS documentation for detailed information Ensure that you install Windows XP 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 software applications and utilities that you can install to avail all motherboard features The contents of the Support DVD are subject to change at any time without notice Visit the ASUS website at www asus com for updates For detailed software instructions see the Manual menu in the Support DVD or download the latest software manual from the ASUS website at www asus com To run the Support DVD Place the Support DVD to th
79. t Create an MS DOS startup disk from the format options field then click Start Windows Vista environment a From the Windows desktop click E gt Computer b Right click Floppy Disk Drive then click Format to display the Format 3 1 2 Floppy dialog box c Select the Create an MS DOS startup disk check box d Click Start 2 Copy the original or the latest motherboard BIOS file to the bootable floppy disk Chapter 2 BIOS setup 2 1 2 2 2 1 2 ASUS Update utility The ASUS Update is a utility that allows you to manage save and update the motherboard BIOS in Windows environment e ASUS Update requires an Internet connection either through a network or an Internet Service Provider ISP e 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 in the optical drive The Drivers menu appears 2 Click the Utilities tab and then click Install ASUS Update 3 Follow the onscreen instructions to complete the installation Z 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 ASUSUpdate gt ASUSUpdate to launch the ASUS Update utility 2 From the dropdown list select any of the updating process Updating from the Internet a Select Update BIOS from the Internet and
80. t the item to AC97 See page 2 20 for details 12 Serial port connector 10 1 pin COM1 The connector 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 J M4A78 PRO ASUS r COM1 PIN 1 _ ima J E ee hl Gls sisleie asian nic mn GL HESE SS mi al a ai ae ee eg M4A78 PRO Serial port COM1 connector Z The serial port bracket COM1 is purchased separately 3 Chapter 1 Product introduction 1 29 2 Install the ASUS Q Connector to the system 3 The front panel functions are now enabled ASUS Q Connector system panel You can use the ASUS Q Connector to connect disconnect chassis front panel cables in a few steps Refer to the instructions below to install the ASUS Q Connector 1 Connect the front panel cables to the ASUS Q Connector Refer to the labels on the Q Connector to IDE LED know the detailed pin definitions then match IDE LED them to the respective front panel cable labels The label
81. ter gt to display the submenu NorthBridge Configuration ECC Configuration ECC Mode Disabled Disables or sets the DRAM ECC mode that allows the hardware to report and correct memory errors Set this item to Basic Good or Max to allow ECC mode auto adjustment Set this item to Super to adjust the DRAM BG Scrub sub item manually You may also adjust all sub items by setting this item to User Configuration options Disabled Basic Good Super Max User DRAM ECC Enable Enabled Set this item to Enabled to allow hardware to report and correct memory errors automatically maintaining system integrity Configuration options Disabled Enabled DRAM SCRUB REDIRECT Enabled Enables or disables the DRAM SCRUB REDIRECT feature that allows the system to correct the DRAM ECC errors immediately when they occur Configuration options Disabled Enabled 4 Bit ECC Mode Enabled Enables or disables the ECC chip kill feature Configuration options Disabled Enabled DRAM BG SCRUB Disabled Disables or sets the DRAM BG Scrub Configuration options Disabled 40ns 80ns 160ns 320ns 640ns 1 28us 2 56us 5 12us 10 2us 20 5us 41 0us 81 9us 163 8us 327 7us 655 4us 1 31ms 2 62ms 5 24ms 10 49ms 20 97ms 42 00ms 84 00ms Data Cache BG Scrub Disabled Disables or sets the Data Cache BG Scrub This item allows the L1 Data Cache RAM to be corrected when idle Configurat
82. then click Next b Select the ASUS FTP site nearest you to avoid network traffic or click Auto Select and then click Next c From the FTP site select the BIOS version that you wish to download and then click Next 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 Select Update BIOS from a file and then click Next b Locate the BIOS file from the Open window and then click Open 3 Follow the onscreen instructions to complete the updating process ASUS M4A78 PRO 2 1 3 ASUS EZ Flash 2 utility The ASUS EZ Flash 2 feature allows you to update the BIOS without having to use a bootable floppy disk or a DOS based utility Z Download the latest BIOS file from the ASUS website at www asus com To update the BIOS using EZ Flash 2 1 Insert the floppy USB flash disk that contains the latest BIOS file to the floppy disk drive or the USB port then launch EZ Flash 2 You can launch EZ Flash 2 in two ways a Press lt Alt gt lt F2 gt during POST to display the following ASUSTek EZ Flash 2 BIOS ROM Utility V3 34 FLASH TYPE 800 BOARD BOARD VER VER DATE DATE PATH jo oe ee Select or Load Tab Switch V Drive Info oo M Move B Backup ESC Exit b 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 swit
83. trusion detection sensor or switch Connect one end of the chassis intrusion sensor or switch cable to this connector The chassis intrusion sensor or switch sends a high level signal to this connector when a chassis component is removed or replaced The signal is then generated as a chassis intrusion event By default the pins labeled Chassis Signal and Ground are shorted with a jumper cap Remove the jumper caps only when you intend to use the chassis intrusion detection feature ji O E g H I EH q O za oO M4A78 PRO gT D ASUS Io a a7 Q YQ 80 SS OO oo E ma es J 4 2 KE CHASSIS M4A78 PRO Chassis intrusion connector 1 22 ASUS M4A78 PRO 3 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
84. u BIOS Information Displays the auto detected BIOS information Processor Displays the auto detected CPU specification System Memory Displays the auto detected system memory Chapter 2 BIOS setup 2 11 2 12 2 4 Ai Tweaker menu The Ai Tweaker menu items allow you to configure overclocking related items AN Take caution when changing the settings of the Ai Tweaker menu items Incorrect field values can cause the system to malfunction The default values of the following items vary depending on the CPU and memory modules you install on the motherboard BIOS SETUP UTILITY Ai Tweaker Advanced Power Boot HW oYon i Configure System Frequency Voltage Select the target CPU frequency and the BT Overclocking Autel relevant parameters DRAM Frequency Control Auto HT Link Speed Auto we 19 EU Nee Ne NEES Je xkkkkk Please key in numbers directly Frequencies higher Processor Voltage Auto d z CPU NB Voltage Auto a A nar CPU VDDA Voltage Auto guaran Secco than CPU manufacturer DRAM Voltage Auto stable If the system becomes unstable HT Voltage Auto NB Voltage Auto return to the default NB 1 8V Voltage Auto SB Voltage Auto lt gt Select Screen KKEKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKEK Select Item CPU Spread Spectrum Enabled Change Field PCIE Spread Spectrum Enabled General Help SB Clock Spread Spectrum Disabled Save and Exit Exit v02 61 C Copyright 1985 2
85. up progr aiT sessa 2 6 2 2 1 BIOS menu SCIEN seccniniscrnnastsececttercecvastarerttaxvecttobeieeietoeit 2 7 2 2 2 NS nE ON ERE 2 7 2 2 3 EG EE 0 2 8 2 2 4 MN ei 2 8 220 Submenu items EE 2 8 2 2 6 Configuration fields cencincsticesssnnsevecrmundeassceteriionstenneddtasiatts 2 8 2 2 7 General help es sesssesssesneesressrnssrnerrnsrrrerrnsrensnrnsrensrrnseenee 2 8 2 2 8 Pop up WC EE 2 8 229 UA 2 8 2 3 Man MENT srai eee sene 2 9 2 3 1 System Time nsenssesnnesenesnnerrnnsrensrnnrrnnnrnnsnnnsnnnsnnnennnnrenes 2 9 292 System Dale re 2 9 2 3 3 Legacy Diskette A vicsciccsinivscntvsniced ivaisneiamnniterns 2 9 2 3 4 Primary IDE Master Slave cccccccssssssssesstessseens 2 9 A99 NN Pee eee ene een eee ere een eee 2 10 2 3 6 Storage Configuration vicscnsscsnicenestenstdncsnaicawmacensesevacwavers 2 11 2 3 7 System Information rrrrnrvrnnrvrrnnrrrrnnrrrrnverrnvvrrnnrenrnnennn 2 11 2 4 Al Tweaker MEN Luske 2 12 2 4 1 Al Overclocking escestrniarteseee tess ntastpastececrnevstweeceteemeenene 2 12 2 4 2 DRAM Frequency Control srrrrnnvrranvrrrnvrrrovvrrsnvrrrnnennn 2 12 243 HT Link Speed weivicesdcadsccaiesce cape ceucboiliederoeailadactoicncsnedbiees 2 13 2 4 4 PROCESSOR Voltage scscicvesinavacasdeiveitaveinieenevmiietcneices 2 15 240 TU VONAGE ren 2 15 2 4 6 CPU VDDA Voltage ex ccncesi esvenvscicsshaunsneigcrenrstaamaitcaaeacsneess 2 16 Contents 2 5 2 6 2 7 2 8 2 9 2 4 7 DRAM Voltage Larsen de 2 16 24
86. upports HDMI Technology with max resolution up to 1920 x 1080 1080P Supports Dual link DVI with max resolution up to 2560 x 1600 60Hz Supports D Sub with max resolution up to 2560 x 1440 75 Hz Hybrid CrossFireX support HDMI DVI D Sub support Dual independent displays support with HDMI DVI and D Sub Supports Microsoft DirectX 10 OpenGL 2 0 Pixel Shader 4 0 Hardware Decode Acceleration for H 264 VC 1 and MPEG 2 Maximum shared memory of 512MB Expansion Slots 1 x PCle 2 0 x16 slot 2 x PCle x1 slots 3 x PCI 2 2 slots continued on the next page M4A78 PRO specifications summary Storage LAN High Definition Audio USB ASUS Unique Features Special Features 1 x Ultra DMA 133 100 66 for up to 2 PATA devices 6 x SATA 3 0 Gb s connectors supporting RAID 0 1 10 and JBOD configuration Atheros L1E Gigabit LAN controller featuring Al NET 2 VIA1708S 8 channel High Definition Audio CODEC Supports Jack Detection and Multi Streaming Optical S PDIF Out port at back I O ASUS Noise Filter 12 x USB 2 0 1 1 ports 8 at mid board 4 on the rear panel ASUS Power Solution ASUS 4 1 Phase Power Design ASUS Anti Surge Protection ASUS Green Design ASUS EPU ASUS Al Nap ASUS Quiet Thermal Solution ASUS Fanless Design Feather heatsink solution ASUS Q Fan 2 ASUS EZ DIY ASUS Express Gate ASUS Q Connector ASUS CrashFree BIOS 3 ASUS O C Profile ASUS EZ Flash 2 Uses 100 Al
87. y is in place connect the CPU fan cable to the connector on the motherboard labeled CPU FAN Do not forget to connect the CPU fan connector Hardware monitoring errors can occur if you fail to plug this connector Chapter 1 Product introduction 1 9 1 7 System memory 1 7 1 Overview The motherboard comes with two 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 z E O DIMM B1 DIMM B2 DIMM_A1 DIMM_A2 M4A78 PRO ASUS IE EET m iki an O fd CICICICI M4A78 PRO 240 pin DDR2 DIMM sockets Channel Sockets Channel A DIMM A1 and DIMM A2 Channel B DIMM Bi and DIMM B2 1 7 2 Memory configurations You may install 512MB 1GB 2GB and 4GB unbuffered ECC non ECC DDR2 DIMMs into the DIMM sockets aN You may install varying mem

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