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ASUS M4A785G_HTPCRC Owner's Manual

1. 2 Press the lever sideways to unlock the socket then lift it up to a Socket lever 90 100 angle EN Ensure that the socket lever is lifted up to 90 100 angle otherwise the CPU will not fit in completely 3 Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket corner with a small triangle 4 Carefully insert the CPU into the socket until it fits in place 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 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 the heatsink and fan for instructions T Connect the CPU fan cable to the CPU FAN connector on the motherboard 1 GPU FAN ri q a GND de FA CPU FAN IN CPU FAN PWR CPU FAN PWM
2. E 5 gt 0 zzra 856 320 QJ B z z TI z 202 TH TET e 6 6 x SO CcHA_FAN1 OG CHA FAN2 S x M4A785G HTPC y Om 3 EF 0000 M4A785G HTPC Fan connectors HI 12V GND CHA FAN PWR CHA FAN IN 5V GND Rotation B Only the CPU FAN and CHA FAN1 2 connectors support the ASUS Q FAN 2 feature and the ASUS Tranquil Mode Refer to page 2 18 for the fan type setting Chapter 1 Product introduction 1 25 2 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 Q ATX12V O EATXPWR i 88 gt gt 3 Volts GND c NN 12 Volts 5 Volts T 12 Volts 5 Volts 5V Standby 5 Volts Power OK 5 Vol
3. t Ll SPDIF OUT L JUD gn M4A785G HTPC C GE 2000 M4A785G HTPC Digital audio connector LA The S PDIF module is purchased separately SPDIFOUT GND ET HH 5V Chapter 1 Product introduction 1 31 10 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 a ogg 7 E pal Lj a nad p E P H iw y EH 9 E Gu c EH NN Y a 83 Quz 2 z gt Z Y ul LU 000 o 1 Onn o zz Z a gt i S AAFP delete GELEE I PIN 1 PIN 1 1 Aacueon Nero Tr NZN o IZ sil A ErEr t 5 M4A785G HTPC J X XXN o a
4. M4A785G HTPC Onboard LED OT GF mca ss m SB PWR ON OFF Standy Power Powered Off ASUS M4A785G HTPC Series 1 5 Motherboard overview 1 5 1 Placement direction When installing the motherboard ensure that you place it into the chassis in the correct orientation The edge with external ports goes to the rear part of the chassis as indicated in the image below 1 5 2 Screw holes Place eight screws into the holes indicated by circles to secure the motherboard to the chassis AN Do not overtighten the screws Doing so can damage the motherboard Place this side towards the rear of the chassis M4A785G HTPC ELE Chapter 1 Product introduction ER PEELE lt mm Ez EEE 1 5 3 Motherboard layout 1 2 3 4 2 ado CPU FAN unna zd 8 O PWR_FAN m ATX12V Q 5 2 2 81811313 X ENE elle Hi amp amp amp amp lt s lotlalls 5 RIRIS x E E O 5 2 EEES 1 N N AA lt m T m z z z z z z N N N N lee e IEEE E Bana cua FAN 1 m f AUDIO ver m RS785G IL SATA5 SATA3 M4A785G HTPC BA SATA1 PCIEX16_1 Lithium Cell AMD E 6 CMOS Power SB710 E sB PWR 3 7 PCI E 15 L BITIESPDIF OUT AUDIO PWR IE1394 2 USB56 usB910 NI 8 AAFP killl ep Eg Eg am EIE IP AR 12 11 10 2 9 1 5 4 Layout contents Connectors Jumpers Slots A
5. M4A785G HTPC System panel connector System power LED 2 pin PLED This 2 pin connector is for the system power LED Connect the chassis power LED cable to this connector The system power LED lights up when you turn on the system power and blinks when the system is in sleep mode Hard disk drive activity LED 2 pin IDE_LED This 2 pin connector is for the HDD Activity LED Connect the HDD Activity LED cable to this connector The IDE LED lights up or flashes when data is read from or written to the HDD System warning speaker 4 pin SPEAKER This 4 pin connector is for the chassis mounted system warning speaker The speaker allows you to hear system beeps and warnings ATX power button soft off button 2 pin PWRSR This connector is for the system power button Pressing the power button turns the system on or puts the system in sleep or soft off 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 Chapter 1 Product introduction 1 29 1 30 USB connectors 10 1 pin USB56 USB78 USB910 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
6. WUUUU gone M4A785G HTPC Gr ES Normal Clear RTC Tm 7 eooo W Default M4A785G HTPC Clear RTC RAM O 8 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 Del 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 2 3 4 f If the 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
7. sssses 1 8 1 7 SAA 1 10 1 7 1 7 e eipecoeaee 1 10 1 7 2 Memory configurations seeeeeeeeee 1 10 1 7 3 Installing a DIMM asirios 1 18 1 7 4 Removing a DIMM essrrrennrnnnnrnnnnvrnrsnrrnsnrrrsvrnrssrrernnne 1 18 1 8 DOcijuppcme 1 19 1 8 1 Installing an expansion card ssssse 1 19 1 8 2 Configuring an expansion card 1 19 too Com 1 19 1 84 PCI Express x1 S O S ooooconcccnnccccnocnccocnnnoonnnconononnos 1 19 1 85 4 POlExpress 2 0 x16 slot 1 19 1 9 Aly sa 1 20 1 10 COI CL ONS racic pt 1 21 1 10 1 Rear panel connectors sssssssssss 1 21 1 10 2 Internal connectors ennmmmHH 1 25 Contents 1 11 S nWare SUNN 1 34 1 11 1 Installing an operating system 1 34 1 11 2 Support DVD information sesssessss 1 34 1 11 3 ASUS Home Theater Gate sssssss 1 35 Chapter 2 BIOS information 2 1 2 2 2 3 2 4 Managing and updating your BIOS 2 1 2 1 1 ASUS Update utility uito ott cris 2 1 2 1 2 ASUS EZ Flash 2 utility ssssss 2 2 2 1 3 ASUS CrashFree BIOS 3 utility 2 3 BIOS setup Prodranuassemsmsedm somr
8. LLLELLLELEELLLELLEL I DOMI JEF M4A785G HTPC Internal audio connecto CD Left Audio Channel Right Audio Channel E r ASUS M4A785G HTPC Series 8 Audio power connector 4 pin Audio PWR This connector is for a 4 pin power plug from a power supply Connect a power plug to this audio power connector for better sound quality M4A785G HTPC AUDIO PWR 0000 M4A785G HTPC Audio power connector t LLLLLLELLEELLLELLLLL WOU cEECERECHERPHLS We highly recommend that you connect a power plug to this audio power connector for ensuring effective audio output When the system detects that no power cable is plugged in this connector a reminder will appear during POST You may turn off the reminder in the BIOS setup Refer to page 2 15 for details Do not share the same power cable with other devices to reduce the electronic interruption 9 Digital audio connector 4 1 pin SPDIF OUT This connector is for an additional Sony Philips Digital Interface S PDIF ports
9. UOQUU 5 M4A785G HTPC os an oo On E 0000 E M4A785G HTPC 240 pin DDR2 DIMM sockets o Channel Sockets Channel A DIMM A1 and DIMM A2 Channel B DIMM B1 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 memory sizes in Channel A and Channel B The system maps the total size of the lower sized channel for the dual channel configuration Any excess memory from the higher sized channel is then mapped for single channel operation Always install DIMMs with the same CAS latency For optimum compatibility we recommend that you obtain memory modules from the same vendor Due to the memory address limitation on 32 bit Windows OS when you install 4GB or more memory on the motherboard the actual usable memory for the OS can be about 3GB or less For effective use of memory we recommend that you 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 Mb chips or less Memory chip capacity counts in Megabit 8 Megabit Mb 1 Megabyte MB Due to AM3 AM2 CPU limitatio
10. DIDO pen M4A785G HTPC Do not forget to connect the CPU Q F fan connector Hardware monitoring zii jn j errors can occur if you fail to plug this LL connector M4A785G HTPC CPU fan connector 1 6 2 Installing the heatsink and fan aN Ensure that you use only AMD certified heatsink and fan assembly To install the CPU heatsink and fan 1 Place the heatsink on top of the installed CPU making sure that the heatsink fits properly on the retention module base fF The retention module base is already installed on the motherboard upon purchase You do not have to remove the retention module base when installing the CPU or installing other motherboard components If you purchased a separate CPU heatsink and fan assembly ensure that a Thermal Interface Material is properly applied to the CPU heatsink or CPU before you install the heatsink and fan assembly CPU Fan CPU Heatsink Retention bracket Retention bracket lock 1 8 ASUS M4A785G HTPC Series 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 une match the CPU documentati
11. O TI N x eo O O C No O 0 Chapter 1 Product introduction 1 11 1 12 DDR2 1066MHz capability with AM2 CPU DIMM socket i a Timing i Vendor i Dimm Bios Voltage support Optional 78 AAGBD 9LZ 4096MB Kit of 2 BoxP N CH 04GAF FOKK2 Apacer 78 4AGAL SKF A A et TT BoxP N TWIN2X4096 8500C5DF CORSAIR CM2x2048 8500C5D em oe dias dli ee C CRUCIAL BLIZSSAATOSASFESEPP TOMB SS NA HeatSrk Pasage 53515 20 i Fe EE o ES G SKILL F2 8500CL5S IGBPK 1024MB DS N A HeatSinkPackage 555 45 12021 10 G SKILL F2 85000L5D 2GBPK 2048MB Kitof2 DS N A Heat Sink Package 555 15 120211 G SKILL F2 85000L5D 4GBPK 4096MB Kitof2 DS N A HeatSinkPackage 55815 12021 gt GEIL GB22GB850005DC 2048MB Kitof2 SS GEIL GL2L128M88BA25AB 5 55 15 2224 10 GEIL GE22GB1066C5DC_ 2048MB Kitof2 SS N A Heat Sink Package 5 5 5 15 12224 10 GEIL GE24GB106605Q0C 4096MB Kitof4 SS N A Heat Sink Package 5 5 5 15 2224 GEIL GB24GB850005DC 4096MB Kit of 2 DS GEIL GL2L128M88BA25AB 5 55 15 2224 10 GEIL GE24GB1066C5DC_ 4096MB Kitof2 DS N A Heat Sink Package 5 55 15 12224 1 GEIL GX24GB8500C5UDC 4096MB Kitof2 DS N A Heat Sink Package 555 15 12224 10 4096MB Kitof4 DS GEIL GLAL128M88BA25AB 5 5 5 15 2224 Hynix HYMP564U64FP8 G7 512MB ISS HYNIX HYSPSI2BZIFFP G7 7 pr Hynix HYMP512U64FP8 G7 1024MB DS HY
12. co a oo Qo oO co G SKILL 55 515 1 G SKILL 84 GEIL GXe1GB5300SX 10M4MB DS N A Heat Sink Package GEIL Heat Sink Package 1 1 8 1 8 5 5 5 5 15 1 8 667 5 5 5 15 1 8 667 5 5 5 15 1 8 667 5 5 5 15 5 NANYA NT2GT64UBHBOJY 3C 2048MB DS NTSTU128M8BJ 3C OCz 0CZ26671024V 1024MB SS Ramos RC1GT084CA0 53EC K4T2G084QA HCE6 Heat Sink Package Heat Sink Package DDRII6408 6E DDRI 1208 6E HY5PS12821CFP Y5 D D D de ak de k al 00 00 co o 00 co OT 5 5 5 5 15 667 5 5 5 15 667 5 5 5 15 Ooo 667 5 5 5 15 5 pj aqu PEE po L ASUS M4A785G HTPC Series DDR2 667MHz capability with AM2 CPU DIMM socket i Timing i Vendor Part No h Lable Bios Voltage Support Optional 78 91G92 9K5 SS APACER AM4B5708JQJS7E APACER Lud o R ELPIDA G Skill 5 5 15 5 5 15 5 5 15 HYNIX HYNIX ELPIDA 5 5 5 15 ELPIDA 5 5 5 15 _ 1 ELPIDA 5 5 5 15 AMSUNG 67 5 5 5 15 ELPIDA MICRON D9HNL ECC 667 5 5 5 zlz e ux o aoon a alaazizl001 inge ne gt gt co PPP o KINGSTON KVR667D2N5 2G 2048MB KINGSTON D1288TPFCGL25U 67 5 5 5 15 00 CO 00 o o CO E AMSUNG KAT2GOB4QA HCE6 5 IA Heat Sink Package 5 SS RC1GTO84CA0 53EC 5 SLX264M8 J6E 512MB Asint DDRII6408 6E T p gay 15 gt gt gt gt gt y O m i 5 5 5
13. 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 ASUS M4A785G HTPC Series 2 7 Boot menu The Boot menu items allow you to change the system boot options Select an item then press Enter to display the submenu BIOS SETUP UTILITY Ai Tweaker Advanced Power Boot Tools Exit 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 Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit v02 61 C Copyright 1985 2009 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 Removable Dev Hard Drive ATAPI CD ROM Disabled AF To select the boot device during system startup press F8 when ASUS Logo appears R To access Windows OS in Safe
14. pr Kingbox NA 1 11 2048MB DS KINGBOX EPD212808220E3 1 frr Mushkin XP26400 1024MB_ SS HeatSinkPackage 4 1 frr Oci__ 04701G16CZ5D2A 1004MB DS unfinity 64MBPC640 8 1 t ot otl Patriot PSD251280081 512MB___ SS PATRIOT PM64M8D2BU 26EC 1 frr pr Patriot PSD21G8000 1024MB DS PATRIOT PMe4MBD2BU2SPAC 5 1 pr 0 Patriot PSD22GB002 2048MB_ DS PATRIOT PMI28BMBD2BU 25KC 5 1 ot ot Patriot PDC24G6400LLK 4096MB Kitof2 DS N A HeatSinkPackage 4 44 12 22 SP001GBLRU800S02 1024MB S POWER 10YR9N3 5 5 5 5 15 MO SP002GBLRU800S02 2048MB S POWER 10YR9N3 5 5 5 5 15 Pf ef ed ed D48002GP1 73BEB 2048MB UMAX U2S24D30TP 8E 800 5 5 5 15 Lo oe Je O DDR2 800MHz capability with AM2 CPU DIMM socket Vendor Part No i DimmiBios Voltage support Optional 78 91G91 9K5 SS APACER AM4B5708JQJS8E 800 5 5 5 18 BoxP N TWIN2X4096 6400C4DHX CORSAIR CM2X2048 6400CADHX Ver1 1 4096MB Kit of 2 Heat Sink Package 4 4 4 12 BoxP N TWIN2X4096 6400C5 A CORSAIR CM2X2048 6400C5 Ver3 1 4096MB Kit of 2 Heat Sink Package 5 5 5 18 BoxP N TWIN2X4096 6400C5DHX CORSAIR CM2X2048 6400C5DHX Ver4 1 4096MB Kit of 2 Heat Sink Package 5 5 5 18 4 4 4 12 4 4 12 6 6 6 18 5 5 15 G SKILL F2 6400CLAD 2GBPK 1024MB_ DS Heat Sink Package G SKILL F2 6400CL5D 2GBNQ 1024MB DS Heat Sink Package G SKILL F2 6400PHU2 2GBNR 1024MB DS H
15. 2 6 2 7 2 8 2 9 2 4 8 CPU Voltage AuUto oooocconocccincccncccncoocncoornnonononoonnos 2 12 2 49 CPU NB Voltage Auto coocooccooocccoocncooononoonnos 2 12 2 4 10 DRAM Voltage Auto oooocococcconncccccococccoooononononnnooos 2 12 2 4 11 NB Voltage Auto eese 2 12 2 4 12 HT SB Voltage Auto eeesseeesssse 2 12 2 4 13 CPU Spread Spectrum Auto 2 12 2 4 14 PCIE Spread Spectrum Auto 2 12 lieri 2 13 2 5 1 CPU Configuration sana 2 13 252 Chipset sson riea 2 14 2 3 Onboard Devices Configuration 2 15 2 5 4 USB Configuration sees 2 15 UR POIRIR c 2 16 Power MEN en 2 16 2 6 1 Suspend Mode Auto ccooocccocccccccoocncononononnnos 2 17 2 6 2 ACPI 2 0 Support Disabled 2 17 2 6 8 ACPI APIC support Enabled 2 17 2 6 4 Chassis LED Oh iie mise adiit E eset tasa 2 17 2 6 5 EuP Ready Disabled ssssssssss 2 17 2 6 6 APM Configuration seeeeee 2 17 2 6 7 Hardware Monitor ccccccssccccssssseceessesseeeesssseeessssees 2 18 AAA AA 2 19 2 7 1 Boot Device Priority oooococnocccconcccccooocnconarnnnnnrnnnnn ono
16. 18 MICRON MT16HTF25664AY 800G1 2048MB DS MICRON 8Z027D9JWB 6 8006 66238 fr NANYA NT512T64U88BOBY25C 512MB SS NT5TU64M8BE 25C 5 1 Gr t ot NANYA NTIGTG4UBHBOBY 25C 1024MB DS NTSTUG4MBBE 25C 5 1 t t NANYA NTIGT64UBHCOBY25D 1024MB DS NANYA _ NT5TU64M8CE 25D 1 frr INANYA NT2GT64U8HCOBY AC 2048MB DS NANYA NTSTUI28MBCEAC 5 1 OCZ OOZ2G80001G0 024MB DS NA HeatSinkPackagg 5 118 CZ OCZ2T8002GK EPP 1024MB DS NA Heat Sink Package 5 18 CZ OCZ2FX800C32GK 2048MB Kit of 2 3 4 4 800 5 5 5 15 2 35 CZ 4096MB Kitof 2 DS N A Heat Sink Package 544 18 CZ 192MB Kitof 2 DS N A Heat Sink Package 580 CZ OCZ2VU80016GQ 8192MB Kit of 2 5 6 6 800 5 5 5 15 18 PSC AL7E8G73F 8E1 11024MB SS PSC PBRIGESFGF850MAC19 5 800 5 5 5 18 PSC ALBEBF73C8E 2048MMB DS PSC ABRIGESCFF7S4MAA0E 5 tt PSC ALSEBG73F8E 2048MB DS PSC P3RIGESFGF850MAC19 5 800 5 5 5 18 SAMSUNG M378T6553GZS CF7 512MB SS SAMSUNG K4T5108806 6 tt SAMSUNG M378T2863QZS CF7 1024MB SS SAMSUNG KATIGOMQQ 6 1 frr SAMSUNG M391T2863QZ3 CF7 1024MB SS SAMSUNG K4T1GOB4QQ ECC 6 1 J t t SAMSUNG M378T2953GZ3 CF7 11024MB DS SAMSUNG K4T5108806 16 1 SAMSUNG M37875663Q23 CF7 2048MB DS SAMSUNG K4T1G084QQ ECO 6 frr SAMSUNG M391T5663QZ3 CF7 2048MB DS
17. 2 8 3 Al NET 2 Check Realtek LAN cable Disabled Enables or disables checking of the Realtek LAN cable during the Power On Self Test POST Configuration options Disabled Enabled Chapter 2 BIOS setup 2 21 2 22 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 EEE Ge 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 gt Select Screen l Select Item Enter Go to Sub Screen General Help Save and Exit v02 61 C Copyright 1985 2009 American Megatrends Inc PP 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 e 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 A If you attempt to exit the Setup program without saving your changes the program prompts you with a message asking if yo
18. 5 5 zZ i KINGBOX KINGBOX KINGBOX EPD264082200N4 MDT M924667 10A 1024MB DS MDT 18D51200D 30646 4 18 1 Patriot PSD21G6672_ 1024MB DS PATRIOT PMG4M8D2BU 3PAC_ 5 ee NT5TU128M8BJ 3C NANYA NT 512T64U88BOBY 3C 512MB NANYA NT5TU64M8BE 3C Oi ESL oia Ld co co co EN Side s SS Single sided DS Double sided DIMM support A Supports one module inserted into either slot as Single channel memory configuration B Supports two modules inserted into either the yellow slots or the black slots as one pair of Dual channel memory configuration C Supports four modules inserted into both the yellow slots and the black slots as two pairs of Dual channel memory configuration LN Visit the ASUS website for the latest QVL Chapter 1 Product introduction 1 7 3 Installing a DIMM AN 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 DR2 DIMM notch 1 Press the retaining clips outward to 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 Unlocked retaining clip 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 sna
19. ASUS M4A785G HTPC Series 2 5 Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices Be cautious when changing the settings of the Advanced menu items Incorrect field values can cause the system to malfunction BIOS SETUP UTILITY ed Power Boot Tools Exit Ai Tweaker CPU Configuration Configure CPU Chipset Onboard Devices Configuration USB Configuration PCIPnP lt gt Select Screen t Select Item Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit v02 61 C Copyright 1985 2009 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 Cool n Quiet Enabled Enables or disables the AMD Cool n Quiet function Configuration options Disabled Enabled ACPI SRAT Table Enabled Allows you to enable or disable the building of ACPI SRAT Table Configuration options Enabl
20. ATAPI Removable Media Device if your device is either a ZIP LS 120 or MO drive Configuration options Not Installed Auto CDROM ARMD ASUS M4A785G HTPC Series 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 32Bit Data Transfer Enabled Enables or disables 32 bit data transfer Configuration options Disabled Enabled 2 3 5 SATA 1 5 ESATA 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
21. Al 8 5 e Music This button follows the behavior of the system sleep button Actual behavior of the system sleep button can be customized in Windows Control Panel gt Power Options Set up the internet radio channel 1 to 7 before using the Internet Radio Set the Favorite Music in the Settings or Music mode first Chapter 1 Product introduction 1 37 1 38 ASUS M4A785G HTPC Series BIOS information 2 1 Managing and updating your BIOS Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future Copy the original motherboard BIOS using the ASUS Update utility 2 1 1 ASUS Update utility The ASUS Update is a utility that allows you to manage save and update the motherboard BIOS in Windows environment ASUS Update requires an Internet connection either through a network or an Internet Service Provider ISP This utility is available in the support DVD that comes with the motherboard package Installing ASUS Update To install ASUS Update 1 Place the support DVD 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 Quit all Windows applications before you update the BIOS using this utility Updating the BIOS To
22. 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 97 ms 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 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 97 ms 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 827 7us 655 4us 1 31ms 2 62ms 5 24ms 10 49ms 20 97 ms 42 00ms 84 00ms Internal Graphics Configuration This menu allows you to change the onboard graphics configuration settings Select an item then press Enter to display the submenu UMA Frame Buffer Size Auto Allows you to select the UMA Frame Buffer size Configuration options Auto 32MB 64MB 128MB 256MB GFX Engine Clock Override Disabled Allows you to enable or disable the GFX Engine Clock Override function Configuration options Disabled Enabled Surround View A
23. DS N A Heat Sink Package 55 535 121 1 Mushkin 996619 4096MB Kitof 2 DS N A Heat SinkPackage 55515 20 24 1 DDR2 800MHz capability with AM3 CPU DIMM socket Timing i Dimm Bios Voltage Support Optional SS APACER AM4B5708JQJS8E Apacer 7601GA09KS liozame SS APROER MMBSENCQUNE 5S Apacer 7801GA09L5 1024MB SS Apacer AM4B5808FEWS8E 5 800 5 5 5 18 Apacer 78 A1GA09K4 204BMB DS APACER AM4B5808CQJS8E 5 1 frr Apacer 78 AGA09L4 2048MB DS Apacer AMAB5B0BFEWSBE 5 800 5 5 5 18 CORSAIR CM2X1024 640004 1024MB DS N A HeatSinkPackage 4 19 N CORSAIR CM2X2048 6400C4DHX Ver1 1 4096MB Kit of 2 A a MR ew BoxP N TWIN2X4096 6400C5 CORSAIR CM2X2048 640005 Ver3 1 PMA of 2 NNN w BoxP N TWIN2X4096 6400C5DHX CORSAIR CM2x2048 ere d Gui knele arai s sad CONGR EN E ouis BLIRSUASOASFESEPP AS SS WA Hess dar a See CN SCAN De gt RR OR EE CR Grucel CT2S664AAB00 16FG 2048M8 DS MICRON amp c27DMB eset o 5 G SKILL F2 64000L5D 1GBNQ 1024MB Kitof2 SS N A Heat Sink Package 555 15 1820 G SKILL F2 64000L4D 2GBPK 1004M8 DS HeatSinkPackage 4 1 frr n F2 6400CL5D 2GBNQ TAE DS HeatSink Package BE G SKILL F2 6400PHU2 2GBNR 1024MB DS Heat Sink Package FR ee ECL DEN ee ASUS M4A785G HTPC Series DDR2 800MHz capability with AM3 CPU cont
24. names are linked with a plus sign Example lt Ctrl gt lt Alt gt lt D gt M4A785G HTPC Series specifications summary AMD AM3 AM2 AM2 Phenom II Athlon I Phenom Athlon Sempron Processors AMD 45nm CPU support AMD Cool n Quiet Technology Chipset AMD 785G SB710 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 1200 O C 1066 800 667 MHz memory modules Supports up to 16GB system memory Due to AMD CPU limitation DDR2 1200 1066 are supported by AM3 AM2 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 Graphics dsd ATI Radeon HD 4200 GPU Supports HDMI Technology with max resolution up to 1920 x 1200 1080P Supports Dual link DVI with max resolution up to 2560 x 1600 amp 60Hz Supports D Sub with max resolution up to 2560 x 1440 O 75Hz for 16 9 format Hybrid CrossFireX support Dual independent displays support with HDMI DVI and D Sub Supports Microsoft DirectX 10 1 OpenGL 2 0 Pixel Shader 4 0 Hardware Decode Acce
25. 1 Turn on the system and change the necessary BIOS settings if any See Chapter 2 for information on BIOS setup 2 Assign an IRQ to the card 3 Install the software drivers for the expansion card When using PCI cards on shared slots ensure that the drivers support Share IRQ or that the cards do not need IRQ assignments Otherwise conflicts will arise between the two PCI groups making the system unstable and the card inoperable 1 8 3 PCI slot The PCI slot supports 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 2 0 x16 slot This motherboard supports a PCI Express 2 0 x16 graphics card that complies with the PCI Express specifications Chapter 1 Product introduction 1 19 1 9 Jumpers Clear RTC RAM CLRTC This jumper allows you to clear the Real Time Clock RTC RAM in CMOS You can clear the CMOS memory of date time and system setup parameters by erasing the CMOS RTC RAM data The onboard button cell battery powers the RAM data in CMOS which include system setup information such as system passwords fa F E EN In oq q E
26. 6 channel 8 channel and 10 channel configuration the function of this port becomes Front Speaker Out Microphone port pink This port connects a microphone Chapter 1 Product introduction 1 21 1 22 11 Side Speaker Out port gray This port connects the side speakers in an 8 channel or 10 channel audio configurations or 10 channel configuration fF Refer to the audio configuration table below for the function of the audio ports in 2 4 6 8 Audio 2 4 6 8 or 10 channel configuration Headset 4 channel 6 channel 8 channel 10 channel 2 channel Additional Side Light Blue Line In Line In Line In Line In Speaker Out Lime Pink Front Speaker Out Front Speaker Out Front Speaker Out Black Gray Side Speaker Out Side Speaker Out mi M mi Center Subwoofer Center Subwoofer Center Subwoofer Rear Speaker Out Rear Speaker Ou Rear Speaker Out 12 RCA Out port left channel This port connects a receiver or an amplifier via an RCA cable 13 USB 2 0 ports 1 and 2 These two 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices Z For RC edition connect the IR receiver to USB 2 0 port 1 or 2 which supports with power on function The power on function follows the behavior of the system sleep button which can be customized in Windows Control Panel To disable the power on function for USB 2 0 port 1 or 2 set the Power
27. Package 55545 118 11 EIL DS GEIL GLAL128M88BA25AB 4 4 412 120 GEIL GB28GB6400C5QC_ 8192MB Kitof4 DS GEIL GL2L128M88BA25AB 155 545 118 GEIL GE28GB800C4QC 8192MB Kitoi4 DS N A HeatSinkPackage 4 44 12 120 GEIL GE28GB800CSQC 8192MB KitofA DS N A Heat SinkPackage 55535 118 Hynix HYMP564U64CP8 85 512MB SS HYNIX HYSPSI282ICFPS5 5 18 t t Hynix HYMP112U64CP8 S6_ 1024MB SS HYNIX HY5PS1G831CFP S6 6 1 Gr t Hynix HYMP512U64CP8 85 1024MB DS HYSPS12821CFP S 5 1 Gr t otl KINGMAX KLDD48F BBKU5 1024MB SS KINGMAX KKBBFNUBF 155518 1 gr KINGMAX KLDE88F B8KU5 2048MB DS KINGMAX KKBBFNUBF 155518 1 KINGSTON KVR800D2N5 512 512MB ISS ELPIDA EB108MJBBGSEE 18 oo KINGSTON KVR800D2N6 512 512MB SS KINGSTON D6408TR7CGL25U 8006 0648 18 KINGSTON KVR800D2N5 1G 1024MB SS KINGSTON D1288TEFCGL25U 80055518 118 KINGSTON KVR800D2N5 1G 1024MB SS KINGSTON D1288TPFCGL25U 8005555 118 KINGSTON KVR800D2N6 1G 1024MB DS KINGSTON D6408TR7CGL25U 8006 6608 118 KINGSTON KHX6400D2RG 204MB DS NA HeatSinkPackage 120 KINGSTON KVR800D2N5 2G 2048MB DS KINGSTON D1288TEFCGL25U 800 5 5 5 18 118 KINGSTON KVR800D2N6MG 4096MB DS ELPIDA E2108ABSE 8G E 6 800 6 6 6 18
28. SAMSUNG K4T1G084Q0Q 6 1 t ot SAMSUNG M378T5263AZ3 CF7 4096MB DS SAMSUNG KAT2GO84QA HCF7 6 1 t ot ot Super Talent Tepes dal ss HESA T eT e Super Talent TROUUPTGCA pnr JN HESS PACKAR LLL LLL JM800QLU 1G 1024MB TQ243ECF8 TS128MLQ64V8U 1024MB ELPIDA ETTOBACBG 8E E B Te JM800QLU 2G 2048MB TQ243PCF8 ESO IESO E O l n2 AS NN DDD Oo RR RR BE EE DS mS ooog min 222 82 EIL GX24GB6400DC 096MB Kit of 2 DS EIL GB24GB6400C4QC 096MB Kitof4 DS EIL GE24GB800C4QC 96MB Kitof4 DS Jl S a nal al e Au KE Chapter 1 Product introduction 1 13 1 14 DDR2 800MHz capability with AM3 CPU continued DIMM socket i Timing i Vendor L Dimm Bios Voltage support Optional DS ELPIDA E1108ACBG 8E E 5 Transcend TS256MLQ72V8U 12048MB DS ELPIDA E108ACBG BE E ECO 5 1 frr Ast SLY2128M8 JGE 11024MB SS Asnt DDRIN208GE 1 frr pr Asi SLZ2128M8 JGE 2048MB DS Asm DDRIN208GE 1 t ot t CENTURY 28V2H8 512MB SS HYNX HYSPS12821BFP S5 1 gt CENTURY 28VOHS 1024MB_ DS HYNIX HYSPSI2RPIBEP SS frr Elixir M2Y1G64TU88D4B AC 1024MB SS Elixir N2TU1G80DE AC 8 1 ot Elixir M2Y1G64TU8HBOB 25C 1024MB DS Elixir N2TUSI28BE25C 5 18 N2TU1G80DE AC 8 lo Kingbox NA 12048MB DS Kingbox EPD2128082200E 3 8005 5545 Kingbox NA 2048MB_ DS MICRON D9HNL
29. Ww Chapter 1 Product introduction 1 27 4 Serial ATA connectors 7 pin SATA1 5 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 or RAID 10 configuration through the onboard SB710 chipset c d C O O l O l same E sm E M4A785G HTPC SUS O E 43 Qu KM 2009 c M4A785G HTPC SATA connectors right angle side 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 l avoid mechanical conflict with GE LIC a RSATA_RXP5 RSATA_TXP5 RSATA_RXN5 RSATA_TXN5 GND GND GND po saras EE DARA RANARAAO RSATA_RXP4 GND RSATA_TXP4 RSATA_RXP2 GND RSATA_TXP2 RSATA_RXN2 RSATA_TXN2 RSATA_RXN4 RSATA_TXN4 GND GND GND GND MD RSATA RXP1 RSATA RXP3 RSATA TXP3 RSATA RXN1 RSAT
30. 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 the optical drive The DVD automatically displays the Drivers menu if Autorun is enabled in your computer fF The screen on this page is used for reference only FES asus Maa 7866 HTPC metherboard suppen CD fr Windows Vita 3281 Dives Uses MakeDisk Manual Contact A Click an icon to Drivers display Support DVD motherboard information Please select items on the fight side Click an item to install If Autorun is NOT enabled in your computer browse the contents of the Support DVD to locate the file ASSETUP EXE from the BIN folder Double click the ASSETUP EXE to run the DVD 1 34 ASUS M4A785G HTPC Series 1 11 3 ASUS Home Theater Gate The ASUS Home Theater Gate specially designed for the HTPC series allows you to easily and quickly launch media applications to
31. household waste Take it to a hazardous material collection point Never replace the battery with an incorrect battery type 4 RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTERIES ACCORDING TO THE ABOVE BATTERY RELATED INSTRUCTIONS Operation safety Before installing the motherboard and adding devices on it carefully read all the manuals that came with the package Before using the product ensure all cables are correctly connected and the power cables are not damaged If you detect any damage contact your dealer immediately To avoid short circuits keep paper clips screws and staples away from connectors slots sockets and circuitry Avoid dust humidity and temperature extremes Do not place the product in any area where it may become wet AN This motherboard should only be used in environments with ambient temperatures between 5 C 41 F and 40 C 104 F Place the product on a stable surface If you encounter technical problems with the product contact a qualified service technician or your retailer vii viii About this guide This user guide contains the information you need when installing and configuring the motherboard How this guide is organized This guide contains the following parts Chapter 1 Product introduction This chapter describes the features of the motherboard and the new technology it supports Chapter 2 BIOS setup This chapter tells
32. on By USB Port 1 2 item to Disabled in the BIOS When the Power on By USB Port 1 2 item is set to Enabled connecting disconnecting the USB devices to from these two ports will power on the system Refer to page 2 17 for details 14 External SATA port This port connects an external Serial ATA hard disk drive Z The external SATA port supports external Serial ATA 3 0 Gb s devices Longer cables support higher power requirements to deliver signal up to two meters away and enables improved hot swap function Before using the External SATA port ensure to set the OnChip SATA Type in the BIOS settings to AHCI and install the AHCI driver AN DO NOT insert a different connector to this port 15 IEEE 1394a port This 6 pin IEEE 1394a port provides high speed connectivity for audio video devices storage peripherals PCs or portable devices 16 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 17 HDMI Out port This port is for a high definition multimedia interface HDMI connector ASUS M4A785G HTPC Series 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 s HDMI D Sub d DVI HDMI d Playback of HD DVD and Blu Ray Discs For better playback quality we suggest that you follow the system requirements i
33. 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 The BIOS setup screens shown in this section are for reference purposes only and may not exactly match what you see on your screen Visit the ASUS website at www asus com to download the latest BIOS file for this motherboard 2 2 1 BIOS menu screen Menu items Menu bar Configuration fields General help BIOS SETUP UTILITY Ai Tweaker Advanced Power Boot Tools Exit CATA System Time FLORA ES ON Use ENTER TAB System Date Tue 06 30 2009 or SHIFT TAB to Language English 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 ESATA Not Detected Select Screen Storage Configuration Select Item Change Field System Information Select Field General Help Save and Exit Exit gt gt p gt v02 61 C Copyright 1985 2009 American Megatrends Inc Submenu items Navigation keys 2 2 2 Menu bar The menu bar on top of the screen has the following main items Main For changing the basic system configuration Ai Tweaker For changing the overclocking settings Advanced For changing the advanced system settings Power For changing the advanced power mana
34. 2 19 2 7 2 Boot Settings Configuration ssssssse 2 19 215 BUNN 2 20 TOONS MEN seen 2 21 2 8 1 ASUS EZ Fe 2 21 2 8 Express Gate Auto cocoocccnncccnccooccconocnnnnnonnnonns 2 21 20 AINET Zeenen 2 21 D pe 2 22 vi Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions This device may not cause harmful interference and This device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the 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 ant
35. 3 o 3 OO I o ZASUS al anna i A J Z Q 3 LU Q 3 20 i i HD audio compliant Legacy AC 97 wt im pin definition compliant definition M4A785G HTPC Analog front panel connector 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 set the item to AC97 See page 2 15 for details 11 IEEE 1394a port connector 10 1 pin E1394 2 This connector is for an IEEE 1394a port Connect the IEEE 1394a module cable to this connector then install the module to a slot opening at the back of the system chassis Z H Dn 1 JUUUU gm N a lt M4A785G HTPC 2 oa FO P i IE1394 2 Fry M4A785G HTPC 1394 connector O Never connect a USB cable to the IEEE 1394a connec
36. A TXN1 RSATA TXP1 GND RSATA RXN3 RSATA TXN3 GND GND GND GND GND sam FE saras EE oo huge graphics cards Install Windows XP Service Pack 2 or later version before using Serial ATA For detailed instructions on how to configure RAID 0 RAID 1 and RAID 10 refer to the RAID manual in the support DVD aN Important note on Serial ATA 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 8 for details 1 28 ASUS M4A785G HTPC Series System panel connector 10 1 pin PANEL This connector supports several chassis mounted functions L o 7 E oo mun noon AGG P LE cH Eo PLED SPEAKER cH G i m a d 55 3 wW uw gt 000 Ll ER ER LLS SSQ 1 a a 000 f gt PANEL GREG M4A785G HTPC PINA 3 ot jo Ee AQ zc GE ASUS 3 2 oo ge uu ud o o o 3 ag e H LI esee IDE_LED PWRSW RESET
37. A mode Configuration options Auto SMART Monitoring Auto Sets the Smart Monitoring Analysis and Reporting Technology Configuration options Auto Disabled Enabled 32Bit Data Transfer Enabled Enables or disables 32 bit data transfer Configuration options Disabled Enabled 2 3 6 Storage Configuration This menu allows you to configure the storage devices OnChip SATA Channel Enabled Enables or disables the OnChip SATA Channel Configuration options Enabled Disabled fF The following two 2 items appear only when you set the OnChip SATA Channel item to Manual SATA Port1 Port4 IDE Allows you to select the SATA type for SATA port 1 4 Configuration options IDE RAID AHCI SATA Port5 Port6 IDE Allows you to select the SATA type for SATA port 5 6 The available configuration options vary depending on the setting of the SATA Port1 Port4 item 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 fF f you want the Serial ATA hard disk drives to use the Advanced Host Controller Interface Ifyou 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 sp
38. B DS NANYA NTSTUMAMECE25D NANYA NT2GT64USHCOBY AC 2048MB DS NANYA NTSTU128M8CEAC 5 OCZ OCZ2G80018 1024MB DS NA HeatSinkPackage 5 18 Goz Qo E EM GL S RA eetk Taas S n EC 44 800 5 5 5 15 Heat Sink Package ox ce RA 0s NA Pa 5 20 ND 1 8 50055518 Super Talent T800UA12C4 512MB 88 Heat Sink Package SuperTalent TROUBIGOA 1024MB DS HeatSink Package E ev2osTusiOwe AC aus DS E ruiespene 8 Kingbor NA em DS MCRON bm Kingbox NA 1 2048MB DS KINGBOX EPD212808200 a RS edge E Patriot PSD251280081 512MB SS PATRIOT PM64M8D2BU 25EC Patriot___ PSD21G8002 1024MB DS PATRIOT PM64M8D2BU 25PAC 5 ME NN PE MEL d SP001GBLRU800S02 1024MB S POWER 10YR9N3 5 5 5 5 15 SP002GBLRU800S02 2048MB S POWER 10YR9N3 5 5 5 5 15 D48002GP1 73BEB 2048MB UMAX U2S24D30TP 8E 800 5 5 5 15 1 1 00 G0 m co Chapter 1 Product introduction 1 15 1 16 DDR2 667MHz capability with AM3 CPU DIMM socket Timing i Vendor Lable Bios Voltage Support Optional 78 91G92 9K5 SS APACER AM4B5708JQJS7E p pacer 78 01G90 9K5 1024MB SS APACER AM4B5808CQJS7E 5 pacer 78 A1G90 9K4 2048MB DS APACER AM4B5808CQUS7E 5 ORSAIR VS 512MB667D2 512MB 64M8CFEG N 5 gt ORSAIR VS1GB667D2 1024MB 64M8CFEG LPIDA EBES1UD8AEFA 6E E 512MB SS ELPIDA E5108AE 6E E IZ Des
39. BIOS setup program Go to the Tools menu to select EZ Flash 2 and press lt Enter gt to enable it a ASUSTek EZ Flash 2 BIOS ROM Utility V3 38 BOARD MZAZSSGSHTPOS BOARD 000 VER 92123 VER Unknown DATE 07 20 2009 DATE Unknown PATH Bay Enter Select or Load Tab Switch V Drive Info Up Down Home End Move B Backup Esc Exit Press Tab to switch between drives until the correct BIOS file is found When the correct BIOS file is found EZ Flash 2 performs the BIOS update process and automatically reboots the system when done A NA This function can support devices such as a USB flash 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 Ensure to load the BIOS default settings to ensure system compatibility and stability Select the Load Setup Defaults item under the Exit menu See section 2 9 Exit Menu for details ASUS M4A785G HTPC Series 2 1 3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process You can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the BIOS file LN The BIOS file in the motherboard support DVD may be older than the BIOS file published on the ASU
40. Bus Frequency item settings 2 4 6 Memory Configuration 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 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 Enable Clock to All DIMMs Disabled Allows you to enable unused clocks to DIMMs even the memory slots are no populated Configuration options Disabled Enabled 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 Always Allows selection of the unganged DRAM mode Configuration options Auto Always 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 when you enable the Power Down Enable item Configuration options Channel Chip Select 2 4 7 DRAM Timing Configuration Allows you to change the advanced DRAM timing settings The configuration options for some of the following ite
41. D ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies and are used only for identification or explanation and to the owners benefit without intent to infringe Contents A lii NOU oi ener eee vi Se NA vii About this guide AM A viii M4A785G HTPC Series specifications summary ix Chapter 1 Product introduction 1 1 LE ee 1 1 1 2 Package CONMLCINS c 1 1 1 3 Special EANET 1 1 1 3 1 ale eo 1 1 1 3 2 Innovative ASUS features ococcooccnnoccnnocncooonocoonnnnonncononoos 1 2 1 4 Belore VOU POCeed Lauvsnes seneste 1 4 1 5 Motherboard OVervieWw srrarsvvrunnnvnnnnnnvenannnnnnnnnnevnnnnvensnnneevennnrennn 1 5 1 5 1 Placement direction srrrarnrvvranavvesnsnrernrnnvesasnrvnsnsaverenens 1 5 o2 OOW HOCS 1 5 1 5 3 Motherboard layOUt oooconoccccinocccconococononnnncoonnnconannncnno nono 1 6 1 5 4 Layout conterits iere eerte anrea eni 1 6 1 6 Central Processing Unit CPU 1 7 1 6 1 STANING THE 0a oC 1 7 1 6 2 Installing the heatsink and fan
42. LK TRDRD Auto Configuration options Auto 3 CLK 4 CLK 5 CLK TRFCO Auto Configuration options Auto 75ns 105ns 127 5ns 195ns 327 5ns TRFC1 Auto Configuration options Auto 75ns 105ns 127 5ns 195ns 327 5ns Chapter 2 BIOS setup 2 11 2 12 The following five 5 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 m restore the default setting type auto using the keyboard and press the lt Enter gt key 2 4 8 CPU Voltage Auto Allows you to set the CPU VCore voltage 2 4 9 CPU NB Voltage Auto Allows you to set the CPU NB voltage 2 4 10 DRAM Voltage Auto Allows you to set the DRAM voltage The values range from 1 80V to 2 50V with a 0 10V interval 2 4 11 NB Voltage Auto Allows you to set the Northbridge voltage The values range from 1 10V to 1 20V with a 0 10V interval 2 4 12 HT SB Voltage Auto Allows you to set the HyperTransport voltage The values range from 1 20V to 1 30V with a 0 10V interval 2 4 13 CPU Spread Spectrum Auto Set to Disabled to enhance FSB overclocking ability or Enabled for EMI control Configuration options Auto Disabled Enabled 2 4 14 PCIE Spread Spectrum Auto Set to Disabled to enhance PCIE overclocking ability or Linear Down for EMI control Configuration options Auto Disabled Enabled
43. M4A785G HTPC Series Le o O i _ K a nu 2 E4849 First Edition V1 July 2009 Copyright 2009 ASUSTeK Computer Inc All Rights Reserved No part of this manual including the products and software described in it may be reproduced transmitted transcribed stored in a retrieval system or translated into any language in any form or by any means except documentation kept by the purchaser for backup purposes without the express written permission of ASUSTeK Computer Inc ASUS Product warranty or service will not be extended if 1 the product is repaired modified or altered unless such repair modification of alteration is authorized in writing by ASUS or 2 the serial number of the product is defaced or missing ASUS PROVIDES THIS MANUAL AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL ASUS ITS DIRECTORS OFFICERS EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING DAMAGES FOR LOSS OF PROFITS LOSS OF BUSINESS LOSS OF USE OR DATA INTERRUPTION OF BUSINESS AND THE LIKE EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY AN
44. Mode do any of the following Press F5 when ASUS Logo appears Press F8 after POST 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 L4 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 Chapter 2 BIOS setup 2 19 2 20 Hit DEL Message Display Enabled When set to Enabled the system displays the message 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 Enter to display the configuration options Change Supervisor Password Select this item to set or change the s
45. NIX HYSPS12821FFP G7 77742 frr rd KKB8FNUXF DXX 18A 1066 6 6 6 24 gt KINGMAX KLED48F A8KIS EPA 1024MB DS KINGMAX KKABFEIBF HJK 18A J pr rd KKB8FNUXF DXX 18A 1066 6 6 6 24 ot KINGSTON KHX8500D2K2 1GN EPP 1024MB Kitof 2 SS N A Heat Sink Package 8005 5548 22 KINGSTON KHX8500D2 G 1024MB_ SS N A HeatSinkPackage 800 5 5 5 18 22 gt KINGSTON KHXBS00D2K2 2GN EPP 2048MB Kitof2 SS NA Heat Sink Package _ 8005518 22 t 1 KINGSTON KVR1066D2N71G 1024MB DS ELPIDA E5108AJBG 1JE 1066 5 5 5 15 118 10 KINGSTON KHxisooboKonG 2EMBKioZ DS NA HemSmkPadags 22 MICRON MTBHTFF2BBIAV IGREL 1024MB 85 MICRON D9JKH zoo MICRON MT16HTF25664AY 1GAE1 2048MB DS MICRON DJKH 7 o o o t t t ooz OON E E MEME A DS y Heat Paskaga gi OCZ OGZ2N1066SRAGK EPP 2048MB Kit of 2 DS N A Heat SinkPackage 5 1210 EE EE A EN 4096MB Kitof 2 DS N A Heat Sink Package 5 5 5 1066 5 5 5 15 22 10 K4T51083QG EN EN Transcend TX1066QLU 2GK 2048MB Kitof2 SS ELPIDA Heat Sink Package 5 pr Transcend TX1066QLU 4GK 4096MB Ktof2 DS NA Heat Sink Package 5 frr BUFFALO FSX1066D2C IG 1024MB_ DS N A HeatSinkPackage 5 5 5 15 800 5 55 15 gt BUFFALO FSX1066D2C KAG 2048MB_ DS N A Heat Sink Package 55818 1 pr 6 1066 6 6 6 24 Mushkin 996508 ae MB KONZ DS NA He SK Package 55412 Mushkin 9966012 2048MB Kitof2
46. OT 3uppor OAR T LCD Overdrive 15 0 3j amp 3D Color Avivo Video VPU Recover Use the scaling values instead of the customized settings when the desktop resolution does not match your DFP resolution 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 Center is adjustable only when you are using an HDTV compliance resolution such as 480i 720i or 10801 ASUS M4A785G HTPC Series 1 10 2 Internal connectors 1 CPU Chassis and Power Fan connectors 4 pin CPU FAN 4 pin CHA FAN1 3 pin CHA FAN2 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 N Do not forget to connect the fan cables to the fan connectors Insufficient air flow inside the a system may damage the motherboard components These are not jumpers DO NOT place jumper caps on the fan connectors e 9 Q PWR FAN CPU FAN
47. 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 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 ASUS M4A785G HTPC Series 2 8 Tools menu BIOS SETUP UTILITY Ai Tweaker Advanced Power Boot Exit ASUS EZ Flash 2 Press ENTER to run the utility to select Express Gate Auto 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 gt AI NET 2 3 CD DISC read only Select Screen Select Item Go to Sub Screen General Help Save and Exit Exit v02 61 C Copyright 1985 2009 American Megatrends Inc 2 8 1 ASUS EZ Flash 2 Allows you t
48. S official website If you want to use the newer BIOS file download the file at support asus com and save it to a USB flash drive Recovering the BIOS To recover the BIOS 1 Turn on the system 2 Insert the motherboard support DVD to the optical drive or the USB flash drive containing the BIOS file to the USB port 3 The utility automatically checks the devices for the BIOS file When found the utility reads the BIOS file and starts flashing the corrupted BIOS file Turn off the system after the utility completes the updating process and power on again The system requires you to enter BIOS Setup to recover BIOS setting To ensure system compatibility and stability we recommend that you press lt F2 gt to load default BIOS values DO NOT shut down or reset the system while updating the BIOS Doing so can cause system boot failure 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 explains how to configure your system using this utility Even if you are not prompted to use the Setup program you can change the configuration of your computer in the future For example you can enable the security password feature or change the power management settings This req
49. SUS EZ DIY ASUS Q Connector ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS MyLogo 2 continued on the next page M4A785G HTPC Series specifications summary ASUS Exclusive Overclocking Features Rear panel I O ports Internal I O connectors Precision Tweaker vCore Adjustable CPU voltage at 0 0125V increment SFS Stepless Frequency Selection FSB tuning from 200MHz up to 600MHz at 1MHz increment GPU tuning from 500MHz up to 1500MHz PCle frequency tuning from 100MHz up to 150MHz at 1MHz increment Overclocking protection ASUS C P R CPU Parameter Recall 1 x S PDIF Out port Optical 2 channel RCA audio output ports 1 x HDMI Out port 1 x D Sub Out port 1 x DVI Out port 1 x IEEE 1394a port 1 x LAN RJ 45 port 4 x USB 2 0 1 1 ports 1 x External SATA port 10 channel audio I O ports 3 x USB connectors support 6 USB ports 1 x IDE connector 5 X SATA connectors 1 x CPU Fan connector 2 x Chassis Fan connector 1 x Power Fan connector 1 x IEEE1394a connector 1 x Front panel audio connector 1 x S PDIF Out Header 1 x CD audio in 1 x 24 pin ATX Power connector 1 x 4 pin ATX 12V Power connector 1 x 4 pin ATX Audio Power connector 1 x System Panel Q Connector continued on the next page Xi xii M4A785G HTPC Series specifications summary BIOS features 16 Mb Flash ROM AMI BIOS PnP DMI 2 0 WfM2 0 SM BIOS 2 5 ACPI 2 0 Support DVD contents Drivers ASUS Home Theater Gate AS
50. TX power connectors 24 pin EATXPWR 4 pin ATX12V CPU Chassis and Power Fan connectors 4 pin CPU FAN 4 pin CHA FAN1 3 pin CHA FAN2 3 pin PWR FAN CPU socket AM2 AM2 DDR2 DIMM slots Serial ATA connectors 7 pin SATA1 5 IDE connector 40 1 pin PRI IDE Onboard LED SB PWR Clear RTC RAM CLRTC System panel connector 10 1 pin PANEL USB connectors 10 1 pin USB56 USB78 USB910 IEEE 1394a port connector 10 1 pin E1394 2 Audio power connector 4 pin AUDIO PWR Optical drive audio in connector 4 pin CD Front panel audio connector 10 1 pin AAFP Digital audio connector 4 1 pin SPDIF OUT 1 6 ASUS M4A785G HTPC Series 1 6 Central Processing Unit CPU The motherboard comes with a CPU socket designed for AMD AM3 AM2 AM2 Phenom II Athlon II Phenom Athlon Sempron processors AN 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 1 Locate the CPU socket on the motherboard E 8 a E 1 DAL ge M4A785G HTPC O A om oo oo 7 1 coco hd M4A785G HTPC CPU socket AM2 AM2
51. US Express Gate ASUS PC Probe II ASUS Update Anti Virus Utility OEM version Form factor uATX form factor 9 6 in x 9 6 in 24 4 cm x 24 4 cm Specifications are subject to change without notice Product introduction 1 1 Welcome Thank you for buying an ASUS M4A785G HTPC Series 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 M4A785G HTPC Series motherboard Cables 1 x Ultra DMA 133 100 66 cable 2 x Serial ATA signal cables Accessories 1 x I O shield 1 x 2in 1 Q connector USB and system panel Retail version only 1 x ASUS Home Theater Gate Remote Controller set RC Edition only Application DVD ASUS motherboard support DVD Documentations User manual 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 II Sempron 100 Series processors AM3 CPU This motherboard supports AMD AM3 multi core processors with unique L3 cache and delivers better overclocking capabilities with less power consumption It features dual channel DDR2 1200 0 C 1066 memory support and accelerates da
52. 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 Type Auto Selects the type of device installed Setting to Auto allows automatic selection of the appropriate 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 Ff This item appears in SATA5 and ESATA only 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 Chapter 2 BIOS setup 2 7 2 8 PIO Mode Auto Selects the PIO mode Configuration options Auto 0 1 2 3 4 DMA Mode Auto Selects the DM
53. ble the onboard LAN Boot ROM Configuration options Disabled Enabled Onboard 1394 Enabled Allows you to enable or disable the onboard 1394 device support Configuration options Disabled Enabled 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 yg The Module Version and USB Devices Enabled items show the auto detected values If no USB device is detected the item shows None Legacy USB Support Auto 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 Chapter 2 BIOS setup 2 15 2 16 USB 2 0 Controller Enabled Allows you to enable or disable the USB 2 0 controller Configuration options Enabled Disabled PP The following two 2 items appear only when you set the USB 2 0 Controller item to Enabled USB 2 0 Controller Mode HiSpeed Allows you to configure the USB 2 0 controller in HiSpeed 480 Mbps or FullSpeed 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 Configu
54. 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 signal cables from the motherboard ensure that all power cables are unplugged Seek professional assistance before using an adapter or extension cord These devices could interrupt the grounding circuit Ensure that your power supply is set to the correct voltage in your area If you are not sure about the voltage of the electrical outlet you are using contact your local power company If the power supply is broken do not try to fix it by yourself Contact a qualified service technician or your retailer The optical S PDIF is an optional component may or may not be included in your motherboard and is defined as a CLASS 1 LASER PRODUCT INVISIBLE LASER RADIATION AVOID EXPOSURE TO BEAM Never dispose of the battery in fire It could explode and release harmful substances into the environment Never dispose of the battery with your regular
55. e 2 3 2 2 1 BIOS menu screen essen 2 4 2 2 2 MED e dios 2 4 2 2 3 Navigation Keys rserrersvrranovernnvrvrneresnverrnsererserersersrnsereenn 2 5 2 2 4 Menu items RTT 2 5 2 2 5 Submenu items 2 5 2 2 6 Configuration fields sesessesssss 2 5 2 2 7 General help eene 2 5 2 2 8 Pop up window srrrrrorvvrnsnrvrrrrnrverssnvesrsnrvrrsssrrsssnrrrsrsnnene 2 5 2 249 SON Di eea 2 5 Man NE aS 2 6 2 3 1 System Time XX XX XX cocoooocccococononocnnnoconnncononcnnonancnonannnos 2 6 2 3 2 System Date Day xx xx xxxx esseesssesss 2 6 2 3 3 Language English ess 2 6 2 3 4 Primary IDE Master Slave essseeeee 2 6 2 3 5 SAA SESAM uitretirtcn es eta ous en iota ratones 2 7 2 9 6 Storage Configuration eeeeeeeeee 2 8 2 9 7 System Information rrsvrrrnvrrrnvvrrnnvrrrnvrrrnnvrrsnvrrrnnnernnn 2 8 Al Weaker MENU e 2 9 2 4 1 Ai Overclock Tuner Auto ssseesssss 2 9 242 CPU To AUTO see 2 9 2 4 3 DRAM Frequency Auto 2 9 2 4 4 CPU NB Frequency Auto sessssss 2 10 2 4 5 HT Link Frequency Auto sseeesssses 2 10 2 4 6 Memory Configuration 2 10 2 4 7 DRAM Timing Configuration sesssses 2 10 Contents 2 5
56. e gold plated RCA stereo audio connectors are compatible with amplifiers without requiring additional connectors making it simple to link PCs to home theater equipment The gold plated cover ensures maximum conductivity and durability of the connector For better sound quality connect a power plug to the 4 pin audio power connector Refer to page 1 31 for details ASUS Tranquil Mode The revolutionary ASUS Tranquil Mode effectively reduces fan speeds which lower the CPU power usage while increasing energy efficiency With the reduction in fan speeds the noise also decreases thus providing you with the perfect environment to enjoy watching movies or playing music de fF ASUS Tranquil Mode is supported by AM3 AM2 CPU only ASUS Home Theater Gate The ASUS Home Theater Gate specially designed for the HTPC series allows you to easily and quickly launch media applications to enjoy your music and movies For RC Edition Use the bundled remote controller to launch the ASUS Home Theater Gate and start media applications ASUS Unique Features 6 ASUS Express Gate 0 55ec Express Gate is an ASUS exclusive OS which lets you instantly access the Internet and key applications before entering Windows Z The actual boot time depends on the system configuration 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 c
57. eatSinkPackage 4096MB Kit of 2 DS N A N A 8192MB Kitof 2 DS N A 6 6 18 GEIL 4 4 12 GEIL 5 5 15 N A 4 4 12 N A Heat Sink Package 5 5 5 15 N A 5 5 15 2048MB Kit of 2 DS N A 4 4 12 N A N A 5 5 15 4 4 12 GEIL 5 5 15 GEIL 5 5 15 N A 4 4 12 4096MB Kit of 2 DS N A 5 5 15 N A 5 5 15 GEIL 4 4 12 GEIL GE24GB800C4QC 4096MB Kitof4 N A Heat Sink Package 4 4 12 GEIL GE24GB800C5QC 4096MB Kitof4 N A Heat Sink Package 5 5 15 800 5 5 5 18 mM io o Co e mm oa e Co Oo co n m e A mii 0 0 ioi P DIENEN mL Oo o0 o0 o Qo a N Oo oo 00 DD eo N co lol C m r ASUS M4A785G HTPC Series DDR2 800MHz capability with AM2 CPU continued DIMM socket i Timing i Vendor E j Dimm Bios Voltage support Optional GB28GB6400C4QC Kitof4 GL2L128M88BA25AB GEI GsesceeAcsoc BiseMiK DS GEL GL L12eMeaBazsAB 55818 18 GEL GEMGPOUNGIGG JmerM kife DS NA HeatSink Package 44412 AO s192M ola 55515 yw mMeselucebSs siae SS END bversteteress 5 yw HvMPSt2UsMCPBSS liozame 05 HVEPSTDBPICHP S 55 5 18 KINGSTON kvReoonanssi2 Sa S5 PDA VENERE O i 20055518 800 5 5 5 15 800 6 6 6 18 KINGSTON ocaonazo aS DS NA eso 8 NANYA NTSUTAUNBDXXC SUMB S8 NISTUMMMDEGEO BG NANYA INTIGTE4UBHBOBY250_ 102MB DS NTSTUGAMBBERSC s _ NANYA NTIGT64UBHCOBY25D 1024M
58. ecifications The BIOS automatically detects the items in this menu BIOS Information Displays the auto detected BIOS information Processor Displays the auto detected CPU specification System Memory Displays the auto detected system memory ASUS M4A785G HTPC Series 2 4 Ai Tweaker menu The Ai Tweaker menu items allow you to configure overclocking related items AN Be cautious 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 Main Ai Tweaker Advanced Power Boot Tools Exit Configure System Frequency Voltage Select the target CPU Ai Overclock Tuner Auto frequency and the CPU Ratio Auto relevant parameters DRAM Frequency Auto will be auto adjusted CPU NB Frequency Auto HT Link Frequency Auto Memory Configuration gt DRAM Timing Configuration Please key in numbers directly CPU Voltage Auto CPU NB Voltage Auto DRAM Voltage Auto NB Voltage Auto Select Screen HT SB Voltage Auto Select Item kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Change Field CPU Spread Spectrum Auto General Help PCIE Spread Spectrum Auto vies and Exit v02 61 C Copyright 1985 2009 American Megatrends Inc 2 4 1 Ai Overclock Tuner Auto Allows selection of CPU overclocki
59. ed Disabled CPU Prefetching Enabled Allows you to enable or disable CPU prefetching Configuration options Enabled Disabled C1E Support Disabled Allows you to enable or disable the Enhanced Halt State support Configuration options Enabled Disabled Chapter 2 BIOS setup 2 13 2 14 2 5 2 Chipset The Chipset menu allows you to change the advanced chipset settings Select an item then press Enter to display the submenu 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 Disabled 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 Disabled 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 Disabled Enables or disables the ECC chip kill feature Configuration options Disabled Enabled DRAM BG Scrub Disabled Disables or sets the DRAM BG Scrub
60. em 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 ACPE Version Feat display a pop up window with the configuration p am contausarios EN options for that item Use ENTER TAB SHIFT TAB to select a field 2 2 9 Scroll bar scroll bar appears on the right side of a SS AEE GSE menu screen when there are items that do not fit on the screen Press the Up Down arrow keys or Page Up Page Down keys to display the other items on the screen Scroll bar Pop up window Chapter 2 BIOS setup 2 5 2 6 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 TA Refer to section 2 2 1 BIOS menu screen for information on the menu screen items and how to navigate through them BIOS SETUP UTILITY Main Ai Tweaker Advanced Power Boot Tools Exit System Time 10 17 30 Use ENTER TAB System Date Tue 06 30 2009 or SHIFT TAB to Language English select a field Primary IDE Master Not Detected Use or to Primary IDE Slave Not Detected config
61. enjoy your music and movies With the bundled remote controller you can launch the ASUS Home Theater Gate and start media applications with just one touch Launching Home Theater Gate 1 Install Home Theater Gate from the motherboard support DVD 2 To launch Home Theater Gate click Start gt All Programs gt ASUS gt ASUS Home Theater Gate gt ASUS Home Theater Gate 1 xx xx The Home Theater Gate main window appears Home Theater Gate main window Click to minimize the Home Theater Gate window Click the Home Theater Gate icon in the Windows notification area to restore the window Click to return to the main window Click to return to the previous page Click to close the Home Theater Gate window Click to switch to the full screen mode MRS Home Theater Gate View photos Playback videos Configure the Tranquil Mode Media Path Settings Internet Radio Settings and Favorite Music Create your Playback Internet Radio music playlists The Internet Radio function is included in the bundled trial version software mediaU Player Mercury You may use the Top 20 Station Overview History Recommendations m Station Search and Recording Schedule functions without registering the software and within the evaluation period Chapter 1 Product introduction 1 35 Internet Radio channel setting Long press the channel number and the station information on the currently playing station will be saved to that channel
62. enna 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 Consult the dealer or an experienced radio TV technician for help The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications This class B digital apparatus complies with Canadian ICES 003 REACH Complying with the REACH Registration Evaluation Authorisation and Restriction of Chemicals regulatory framework we published the chemical substances in our products at ASUS REACH website at http green asus com english REACH htm DO NOT throw the motherboard in municipal waste This product has been designed to enable proper reuse of parts and recycling This symbol of the crossed out wheeled bin indicates that the product electrical and electronic equipment should not be placed in municipal waste Check local regulations for disposal of electronic products DO NOT throw the mercury
63. ff 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 Power On Power Off Last State Power On By PME Disabled Allows you to enable or disable the PCI PCIE onboard LAN devices 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 Days and RTC Alarm Time HH MM SS appear with set values Configuration options Disabled Enabled Power On By USB Port 1 2 Disabled Allows you to enable or disable the power on function controlled by the USB devices connected to the USB 2 0 port 1 or 2 Configuration options Disabled Enabled Chapter 2 BIOS setup 2 17 2 6 7 Hardware Monitor CPU MB Temperature xxx C xxx F The onboard hardware monitor 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 Chassis Fan 2 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 hard
64. gement 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 ASUS M4A785G HTPC Series 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 ee Visit the ASUS website at www asus com to download the latest BIOS information 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 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 it
65. gnal 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 a E E a PRI_IDE E Pin1 a NOTE IDE ribbon cable H s is marked with a red E m El white or black strip Eb on one side match En a this to PIN 1 BH EE T uH uH Z A B M4A785G HTPC EN O ASUS ont oo IH M4A785G HTPC IDE connector Drive jumper setting Mode of device s Cable connector Single device Cable Select or Master Black Master Black Cable Select Slave Gray Two devices Master Master Black or gray Slave Slave Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA cable connector This prevents incorrect insertion when you connect the IDE cable Use the 80 conductor IDE cable for Ultra DMA 133 100 66 IDE devices If any device jumper is set as Cable Select ensure that all other device jumpers have the same setting 9
66. hange any motherboard settings AN Unplug the power cord from the wall socket before touching any component Before handling components use a grounded wrist strap or touch a safely grounded object or a metal object such as the power supply case to avoid damaging them due to static 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 L d 1 ag oq a O da E m L 00000 gma M4A785G HTPC
67. how to change system settings through the BIOS Setup menus Detailed descriptions of the BIOS parameters are also provided Conventions used in this guide To ensure that you perform certain tasks properly take note of the following symbols used throughout this manual DANGER WARNING Information to prevent injury to yourself when trying to complete a task A CAUTION Information to prevent damage to the components 1 when trying to complete a task AN IMPORTANT Instructions that you MUST follow to complete a task LA NOTE Tips and additional information to help you complete a task Where to find more information Refer to the following sources for additional information and for product and software updates 1 ASUS websites The ASUS website provides updated information on ASUS hardware and software products Refer to the ASUS contact information 2 Optional documentation Your product package may include optional documentation such as warranty flyers that may have been added by your dealer These documents are not part of the standard package Typography Bold text Indicates a menu or an item to select Italics Used to emphasize a word or a phrase Key Keys enclosed in the less than and greater than sign means that you must press the enclosed key Example Enter means that you must press the Enter or Return key lt Key1 gt lt Key2 gt lt Key3 gt If you must press two or more keys simultaneously the key
68. inued DIMM socket Vendor Part No i i i binm Bios Voltage Support Optional G SKILL F2 6400CL4D 4GBPK 4096MB Kit of 2 4 2 0 2 1 s 4096MB Kit of 2 DS N A Heat Sink Package 5 1849 G SKILL F2 6400CL6D 4GBMQ 4096MB Kit of 2 DS N A Heat SinkPackage 6 11849 G SKILL F2 64000L6D 8GBMQ 8192MB Kitof2 DS N A Heat Sink Package 666 8 118 EIL 048MB Kitof 2 DS GEIL GL2L64MO88BA30EB 4 4 4 12 20 EIL 048MB Kitof 2 DS GEIL GL2L64MO88BA0EB 5 5 5 15 118 EIL 48MB Kit of 2 DS N A Heat Sink Package 44 442 120 s EIL 48MB Kit of 2 DS N A Heat Sink Package 15 55 1518 EIL 48MB Kit of 2 DS N A Heat Sink Package 55 515 18 EIL N A Heat Sink Package 44 442 fea e EIL N A Heat Sink Package EIL S N A Heat Sink Package 55545 EIL S GEIL GL2L128M88BA25AB 4 4 4 12 20 EIL S GEIL GL2L128M88BA25AB 5 5 5 15 118 EIL GB24GB6400C5QC 4096MB Kitof2 DS GEIL GL2L64MOBBBA30EB 5 55 15 18 EIL GE24GB800C4DC 4096MB Kitof2 DS N A Heat Sink Package 44 412 120 EIL DS N A Heat Sink Package 15 56 1518 N A Heat Sink Package 55545 118 GEIL GL2L64MOBBBA30EB 44 442 120 N A Heat Sink Package 44 442 20 EIL 096MB Kitof4 DS N A Heat Sink
69. leration 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 1 x PCI 2 2 slot continued on the next page M4A785G HTPC Series specifications summary Storage LAN High Definition Audio IEEE 1394a USB Al HTPC Unique Features Other Features SB710 Chipset 1x Ultra DMA 133 100 66 for up to 2 PATA devices 5x SATA 3 0 Gb s ports with RAID 0 1 and 10 support 1xExternal SATA 3 0 Gb s port Due to Window XP Vista limitation the RAID array with the total capacity over 2TB cannot be set as a boot disk A RAID array over 2TB can only be set as a data disk only Realtek 8112L Gigabit LAN controller featuring Al NET 2 Absolute Pitch Hi Fi featuring ENVY HD 9 1 channel High Definition Audio DTS Surround Sensation UltraPC supports Windows Vista and Windows 7 only Lossless 192khz 24 bit BD audio Supports Jack Detection and Multi Streaming 2 channel gold plated RCA output at back I O Optical S PDIF Out port at back I O JMicron JMB381 controller supports 2 x IEEE 1394a ports 10 x USB 2 0 1 1 ports 6 ports at midboard 4 ports at back panel ASUS HTPC Features ASUS Absolute Pitch Hi Fi ASUS Home Theater Gate ASUS Tranquil Mode AM3 AM2 CPUs only DTS Surround Sensation UltraPC supports Windows Vista and Window 7 only ASUS Express Gate ASUS Quiet Thermal Solution ASUS Fanless Design Soundwave Heat sink A
70. mbining the onboard GPU and the discrete graphics card together to enhance 3D graphics performance fF Visit www amd com for the Hybrid CrossfireX selected GPUs 1 3 2 Innovative ASUS features ASUS HTPC Features Absolute Pitch Hi Fi You can easily experience home theater enjoyment on your computer with the revolutionary ASUS Absolute Pitch Hi Fi technology which features ENVY HD Absolute Pitch BD192 24 and DTS Surround Sensation UltraPC ENVY HD feaures prodigious 9 1 high definition audio and fine textured graphic user interface that simply brings the professional surround acoustic level to your computer Absolute Pitch BD192 24 delivers 192khz 24bit Hi Fi BD lossless extreme fidelity sound to bring true BD audio technology to your home theater PC DTS Surround Sensation UltraPC provides proprietary DTS algorithms to deliver virtual 5 1 surround through just 2 speakers ASUS M4A785G HTPC Series Independent Audio Power Connector Power is the key determinant in audio quality thus professional AV Audio Visual equipment usually separate power supply for different channels or analog digital signals to ensure high sound quality The ASUS HTPC series is the first motherboard series to be equipped with the revolutionary ASUS Absolute Pitch Hi Fi technology which utilizes audio components with an independent power connector This effectively reduces electronic noise to ensure purer sound quality Gold plated RCA Connector Th
71. ms vary depending on the DIMMs you install on the motherboard ASUS M4A785G HTPC Series DRAM Command Rate Auto Allows selection of the DRAM command rate Configuration options Auto 1T 2T DRAM Timing Mode Auto Allows selection of the DRAM Timing Mode Configuration options Auto Manual LA The following sub items appear only when you set the DRAM Timing Mode item to Manual DCTO 1st Information 5 5 5 3 5 15 20 5 3 TCL Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK 7 CLK DH Only TRCD Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK TRP Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK TRTP Auto Configuration options Auto 2 4 CLK 8 5 CLK TRAS Auto Configuration options Auto 5 CLK 6 CLK 17 CLK 18 CLK TRC Auto Configuration options Auto 11 CLK 12 CLK 25 CLK 26 CLK TWR Auto Configuration options Auto 3 CLK 4 CLK 5 CLK 6 CLK TRRD Auto Configuration options Auto 2 CLK 8 CLK 4 CLK 5 CLK DCTO 2nd Information 7 105 75 TRWTTO Auto Configuration options Auto 3 CLK 4 CLK 16 CLK 17 CLK TWRRD Auto Configuration options Auto 1 CLK 2 CLK 3 CLK 4 CLK TWTR Auto Specifies the write to read delay when accessing the same DIMM Configuration options Auto 1 CLK 2 CLK 8 CLK TWRWR Auto Configuration options Auto 1 CLK 2 CLK 3 CLK 4 C
72. n only one DDR2 1200 0 C 1066 DIMM is supported per channel When four DDR2 1200 O C 1066 DIMMs are installed all DIMMs run at 800Mhz frequency by default for system stability The default 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 M4A785G HTPC Series M4A785G HTPC Series Motherboard Qualified Vendors Lists QVL DDR2 1066MHz capability with AM3 CPU DIMM socket Timing Dimm Bios Voltage Support Optional BoxP N CH 02GAF COKK2 2048MB Kit of 2 78 0AG9S 9KF 4096MB Kitof2 DS N A HeatSinkPackage 55 545 t rp Apacer BoxP N CH 04GAF FOKK2 4096MB Kit of 2 DS N A Heat Sink Package 5 5 5 15 78 AAGAL 9KF Kit of 2 DS N A Heat Sink Package 5 5 5 15 CM2X2048 8500C5D EPP RUCIAL 024MB Heat Sink Package 5 5 5 15 NM rucial 48MB ICRON 9DE12D9JKH 1066 7 7 7 24 E SKILL 024MB Heat Sink Package 5 5 5 15 024 SKILL 048MB 021 EIL 048MB GEIL 224 GEIL 048MB Kit of 2 N A Heat Sink Package 224 096MB Kitof4 N A ET 4096MB Kit of 2 DS GEIL 224 4096MB Kit of 2 DS N A 224 DS N A Heat Sink Package 224 4096MB Kitof4 DS GEIL 224 Hynix HYMP564U64FP8 G7 512MB___ SS HYNIX E Hy
73. n the suggested list below N Suggested list CPU AMD Athlon 4400 DIMM DDR2 800 1GB or higher BIOS setup Frame Buffer Size 256MB or higher Playback software CyberLink PowerDVD 7 3 Best resolution Windows XP Windows Vista File format 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 Chapter 1 Product introduction 1 23 1 24 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 the onboard HDMI out port and the HDMI cable you can resize the desktop appearing on your HDTV screen To resize your HDTV desktop 1 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 AT Catalyst Control Center amp Welcome O DTV H DM L Information Center Displays Manager Graphics Adapter 2 ATI Radeon HD 3200 Graphics ASUS MK221 bza isplay Options Monitor Pronertie Scaling Options Scaling Options Underscan Overscan
74. ng options to achieve desired CPU internal frequency Configuration options Manual Auto fF The following two 2 items appear only when you set the Ai Overclock Tuner item to Manual CPU Bus Frequency XXX Displays the frequency sent by the clock generator to the system bus and PCI bus Use the lt gt and lt gt keys to adjust the FSB frequency You can also type the desired 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 CPU Ratio Auto Allows you to adjust the ratio between CPU Core Clock and FSB Frequency Use the lt gt and keys to adjust the value The valid value ranges vary according to your CPU model 2 4 3 DRAM Frequency Auto Allows you to set the DDR2 operating frequency The configuration options vary with the CPU Bus Frequency item settings N Selecting a very high DRAM frequency may cause the system to become unstable If this happens revert to the default setting Chapter 2 BIOS setup 2 9 2 10 2 4 4 CPU NB Frequency Auto Allows you to select the CPU NB frequency The configuration options vary with the CPU Bus Frequency item settings 2 4 5 HT Link Frequency Auto Allows you to set the HyperTransport link frequency The configuration options vary with the CPU
75. nix HYMP512UG4FP8 G7 1024MB DS HYNIX 7 7 12 le SS KINGMAX E DS KINGMAX gt DS KINGMAX DNI S N A Heat Sink Package 800 5 5518 22 8 NN NN Bl P mm NI mE mm mm CEN mm eo eo NEN DI un 2 DI UJ o x U je Z Z Nm gt lt T e Oo O co OT o e O OT U TI 2 1 e DD 5 co o UJ pe o a Kit of 2 Kit of 2 DD RIR p S ep OO0OD0OoO Q O A i nm ili S 00 5 5 5 18 KINGSTON KHX8500D2K2 2GN EPP 2048MB Kitof 2 SS N A Heat Sink Package 800 5 5 5 18 INGSTON KVR1066D2N7 4G 1024MB ELPIDA 066 5 5 5 15 14 INGSTON N A MICRON MICRON MICRON 048MB N C C 048MB Kit of 2 Heat Sink Package C AMSUNG 024MB AMSUNG ranscend S ELPIDA ranscend D 024MB Heat Sink Package 5 5 15 800 5 1 5 5 15 UFFALO FSX1066D2C KAG 2048MB 5 5 15 ixi MICRON 7YDP 11 N A HeatSinkPackage 5 5 4 12 N A 0 2 N A Heat Sink Package D po Mh MP DN N NNNNRNNNNNDND D Nm NON o P oo o Nin h n2 ye i n2 mlz zlzlmiolzlz z zlzlzlz gt gt gt gt 5 gt gt 55 gt DI o Nm o BEN NE Z Z Z BM f gt m 1 UD ogg Ja N O O U OOUOO000 0 0 DRA OOO W NNN WM min NNNMNNN nm min min in o lixir ingbox Mushkin Mushkin 8 MAX D41002GP0 73BNJ1 4096MB Kit of 2 DS Cc Aamo JARKE 7 gt
76. number media Piirymr Marry al SOMOS tad AV piss Supported type Resolution Normal display under 1024 x 600 1920 x 1080 Music mp3 midi wav wma and cda Video avi mp4 mpeg rmvb wmv rm mov asf mpg vob and dat Photo bmp dib gif jpg jpeg png tif tiff DTS Windows Vista and Window 7 operating systems HDMI and analog out onl Windows Media Player PowerDVD 8 Cyberlink WinDVD 9 Corel Video player InterVideo KMPlayer Media Player Classic RealPlayer and Arcsoft TotalMedia Theatre 3 Music player Windows Media Player Winamp KMPlayer RealPlayer iTunes Visit the ASUS website at http support asus com download download aspx SLanguage en us for the latest supported type Due to Window XP limitation you have to install the UDF Reader to recognize the Blu ray disc 1 36 ASUS M4A785G HTPC Series Using the remote controller RC Edition only Use the remote controller to launch the ASUS Home Theater Gate and start media applications AN Connect the IR receiver to the USB 2 0 port 1 or 2 before using the remote controller Power on off Mute Play Pause Fast rewind Fast forward Stop Previous track Next track WIOGOB Volume up Volume down OK Scroll up Scroll left Scroll right Scroll down GE SO gt Main window Previous page Switch windows Full screen Tranquil mode DTS on off Launch Home Theater Gate Minimize Home Theater Gate window Internet Radio DOO
77. o 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 OK to confirm your choice 2 8 2 Express Gate Auto 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 Auto 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 8 seconds 5 seconds 10 seconds 15 seconds 20 seconds 30 seconds Reset User Data No Allows you to clear Express Gate s user data Configuration options No Reset When setting this item to Reset make sure to save the setting to the BIOS so that the user data will be cleared the next time you enter the Express Gate User data includes the Express Gate s settings as well as any personal information stored by the web browser bookmarks cookies browsing history etc This is useful in the rare case where corrupt settings prevent the Express Gate environment from launching properly The first time wizard will run again when you enter the Express Gate environment after clearing its settings
78. on 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 aN Ensure that the fan and heatsink assembly perfectly fits the retention mechanism module base otherwise you cannot snap the retention bracket in place 4 Push down the retention bracket lock on the retention mechanism to secure the heatsink and fan to the module base 5 When the fan and heatsink assembly is in place connect the CPU fan cable to the connector on the motherboard labeled CPU FAN D 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 four Double Data Rate 2 DDR2 Dual Inline Memory Modules DIMM sockets A DDR2 module has the same physical dimensions as a DDR DIMM but has a 240 pin footprint compared to the 184 pin DDR DIMM DDR2 DIMMs are notched differently to prevent installation on a DDR DIMM socket The figure illustrates the location of the DDR2 DIMM sockets a BH 7 Ol DIMM_B1 DIMM_B2 Lj DIMM A1 DIMM A2
79. p 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 ns clips The DIMM might get damaged when it flips out with extra force 2 Remove the DIMM from the socket 1 18 ASUS M4A785G HTPC Series 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 2 Remove the system unit cover if your motherboard is already installed in a chassis 3 Remove the bracket opposite the slot that you intend to use Keep the screw for later use 4 Align the card connector with the slot and press firmly until the card is completely seated on the slot 5 Secure the card to the chassis with the screw you removed earlier 6 Replace the system cover 1 8 2 Configuring an expansion card After installing the expansion card configure it by adjusting the software settings
80. plug the power cord before rebooting the system 1 20 ASUS M4A785G HTPC Series 1 10 Connectors 1 10 1 Rear panel connectors 10 OOOOO0000 o00000p00 E o00000 000 6 00 Optical S PDIF Out port This port connects an external audio output device via an optical S PDIF cable Video Graphics Adapter VGA port This 15 pin port is for a VGA monitor or other VGA compatible devices USB 2 0 ports 3 and 4 These two 4 pin Universal Serial Bus USB ports are available for connecting USB 2 0 devices LAN RJ 45 port This port allows Gigabit connection to a Local Area Network LAN through a network hub LAN port LED indications Activity Link LED Speed LED ACT LINK SPEED LED LED OFF No link OFF 10 Mbps connection ORANGE 100 Mbps connection pene acidi GREEN 1 Gbps connection LAN port RCA Out port right channel This port connects a receiver or an amplifier via an RCA cable Center Subwoofer port orange This port connects the center subwoofer speakers Rear Speaker Out port black This port connects the rear speakers in a 4 channel 6 channel 8 channel or 10 channel audio configuration Line In port Side Speaker Out port light blue This port connects the tape CD DVD player or other audio sources in an 8 channel audio configuration In an 10 channel audio configuration this port connects the additional side speakers Line Out port lime This port connects a headphone or a speaker In 4 channel
81. ration options Disabled Enabled 2 5 5 PCIPnP The PCI PnP menu items allow you to change the advanced settings for PCI PnP devices Plug And Play O S No When set to No BIOS configures all the devices in the system When set to Yes and if you install a Plug and Play operating system the operating system configures the Plug and Play devices not required for boot Configuration options No Yes 2 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 Management APM Select an item then press Enter to display the configuration options BIOS SETUP UTILITY Ai Tweaker Advanced P Boot Tools Exit Suspend Mode Auto Select the ACPI state ACPI 2 0 Support Disabled used for System ACPI APIC support Enabled Suspend Chassis LED On EuP Ready Disabled gt APM Configuration Hardware Monitor Select Screen Select Item Change Option General Help Save and Exit Exit v02 61 C Copyright 1985 2009 American Megatrends Inc ASUS M4A785G HTPC Series 2 6 1 Suspend Mode Auto Allows you to select the Advanced Configuration and Power Interface ACPI state to be used for system suspend 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 Enable
82. s 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 ACPI 2 0 Support Disabled Allows you to add more tables for Advanced Configuration and Power Interface ACPI 2 0 specifications Configuration options Disabled Enabled 2 6 3 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 4 Chassis LED On Allows you to turn on or off the chassis LED Configuration options On Off 2 6 5 EuP Ready Disabled Enabling this item will allow BIOS to switch off some power at S5 state to minimize the stand by and off mode losses to have the system ready for Eup Energy Using Product requirement When set to Enabled power for WOL Wake on USB audio and LEDs on the motherboard will be switched off You may encounter no network capability incomplete wake on USB function and popping noise at this mode Configuration options Disabled Enabled 2 6 6 APM Configuration Restore on AC Power Loss Power Off When set to Power O
83. ta 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 Chapter 1 Product introduction 1 1 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 1200 0 C 1066 memory support data transfer rate up to 5200MT s via HyperTransport 3 0 based system bus and AMD Cool n Quiet Technology AMD 785G chipset The AMD 785G 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 Radeon HD 4200 GPU and fully Directx 10 1 compliant Dual channel DDR2 1200 0 C 1066 support This motherboard supports DDR2 1200 0 C 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 fF Due to AM3 AM2 CPU limitation only one DDR2 1200 O C 1066 is supported per channel When four DDR2 1200 0 C 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 technology co
84. the system chassis These USB connectors comply with USB 2 0 specification that supports up to 480 Mbps connection speed M4A785G HTPC ye XQ aacpao GOCGQQ0000000P B cy sss M4A785G HTPC USB2 0 connectors AN co a aa ozo 20z USB 5V USB P8 v z i USB P7 GND USB 5V USB P7 USB 5V USB P10 USB P10 GND NC v z EE USB P9 GND USB 5V USB P9 Never connect a 1394 cable to the USB connectors Doing so will damage the motherboard The USB 2 0 module is purchased separately 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 c a da men 7 r1 M4A785G HTPC om
85. tor Doing so will damage the motherboard fF The IEEE 1394a module cable is purchased separately 1 32 ASUS M4A785G HTPC Series 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 know the detailed pin definitions then match them to the respective front panel cable labels The labels of the front panel cables may differ from chassis made by mm different manufacturers Reset 1 Ground 2 Install the ASUS Q Connector to the system panel connector making sure the orientation matches the labels on the motherboard 3 The front panel functions are now enabled The figure shows the Q Connector properly installed on the motherboard Chapter 1 Product introduction 1 11 Software support 1 11 1 Installing an operating system This motherboard supports Windows XP 64 bit 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 2 or later versions
86. ts GND GND PIN 1 5 Volts GND i eS GND GND oo 5 Volts PSON GND GND M4A785G HTPG E 3 Volts 12 Volts 3 3 Volts 3 Volts C aus 3_ PIN 1 Om ma ess la M4A785G HTPC 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 A on 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 If you are uncertain about the minimum power supply requirement for your system refer to the Recommended Power Supply Wattage Calculator at http support asus com PowerSupplyCalculator PSCalculator aspx SLanguage en us for details 1 26 ASUS M4A785G HTPC Series 3 IDE connector 40 1 pin PRI IDE The onboard IDE connector is for Ultra DMA 133 100 66 si
87. u want to save your changes before exiting Press lt Enter gt to save the changes while exiting Exit 8 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 8 Save Changes or make other changes before saving the values to the non volatile RAM ASUS M4A785G HTPC Series
88. uires 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 Restart using the OS standard shut down procedure Press lt Ctrl gt lt Alt gt lt Del gt simultaneously Press the reset button on the system chassis Press the power button to turn the system off then back on Chapter 2 BIOS setup 2 3 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 various submenus and make your selections from the available options using the navigation keys LN 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
89. 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 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 Chapter 2 BIOS setup 2 1 2 2 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 2 1 2 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 o Before you start using this utility download the latest BIOS from the ASUS website at www asus com To update the BIOS using EZ Flash 2 1 Insert the USB flash disk that contains the latest BIOS file to the USB port and then launch EZ Flash 2 in any of these two ways N FLASH TYPE MRCS Press lt Alt gt lt F2 gt during POST to display the following Enter the
90. upervisor password The Supervisor Password item on top of the screen shows the default Not Installed After you set a password this item shows Installed To set a Supervisor Password 1 Select the Change Supervisor Password item and press Enter 2 From the password box type a password composed of at least six letters and or numbers then press Enter 3 Confirm the password when prompted The message Password Installed appears after you successfully set your password To change the supervisor password follow the same steps as in setting a supervisor password To clear the supervisor password select the Change Supervisor Password then press Enter The message Password Uninstalled appears LN If you forget your BIOS password you can clear it by erasing the CMOS Real Time Clock RTC RAM See section 1 9 Jumpers for information on how to erase the RTC RAM After you have set a supervisor password the other items appear to allow you to change other security settings User Access Level Full Access This item allows you to select the access restriction to the Setup items Configuration options No Access View Only Limited Full Access No Access prevents user access to the Setup utility View Only allows access but does not allow change to any field Limited allows changes only to selected fields such as Date and Time Full Access allows viewing and changing all the fields in the Setup utility Change User
91. ure system Time SATA1 Not Detected SATA2 Not Detected SATA3 Not Detected SATA4 Not Detected SATA5 Not Detected ESATA Not Detected Select Screen Storage Configuration Select Item Change Field System Information Select Field General Help Save and Exit Exit a gt gt gt gt gt gt gt 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 Language English Allows you to select the display language for the BIOS setup screen Configuration options EX amp S FR X 8 30 A Aza Francais Deutsch English 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 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
92. uto 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 Auto Enabled Disabled ASUS M4A785G HTPC Series FB Location Above 4G Allows you to select the FB Location Configuration options Below 4G Above 4G AMD 785G HD Audio Enabled Allows you to disable or enable the AMD 785G HD Audio Configuration options Disabled Enabled Primary Display Adapter PCI E Allows you to select the graphics controller to use as the primary boot device Configuration options PCI E PCI Onboard 2 5 3 Onboard Devices Configuration Onboard HD Audio 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 Audio PWR Reminder Enabled When the system detects that no power cable is plugged in the audio power connector a reminder will appear during POST This item allows you to enable or disable this function Configuration options Enabled Disabled 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 disa
93. ware 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 EN f you install a PWM 4 pin fan but set this item to DC Fan the fan you installed may not work f you install a DC 3 pin fan but set this item to PWM Fan the CPU Q Fan function will not work and the fan you install will always run at full speed CPU Q Fan Mode Silent Allows you to set the appropriate performance level of the CPU Q Fan When set to Optimal the CPU fan automatically adjusts depending on the CPU 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 Chassis Q Fan Mode Silent

ASUS M4A785G_HTPCRC Owner's Manual

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