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Motherboard M4A785D-M PRO E4711_M4A785D-M PRO.indb 1 7/6/09 9:09:17 AM
Motherboard M4A785D-M PRO E4711_M4A785D-M PRO.indb 1 7/6/09 9:09:17 AM
User Manual
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Contents Notices...vi Safety information vii About this guide viii M4A785D-M PRO specifications summary ix Chapter 1: Product introduction 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-1 1.3.1 Product highlights 1-1 1.3.2 Innovative ASUS features 1-3 1.4 Before you proceed 1-4 1.5 Motherboard overview 1-5 1.5.1 Placement direction 1-5 1.5.2 Screw holes 1-5 1.5.3 Motherboard layout 1-6 1.5.4 Layout contents 1-6 1.6 Central Processing Unit (CPU 1-7 1.6.1 Installing the CPU 1-7 1.6.2 Installing the heatsink and fan 1-9 1.7 System memory 1-10...
Contents Notices...vi Safety information vii About this guide viii M4A785D-M PRO specifications summary ix Chapter 1: Product introduction 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-1 1.3.1 Product highlights 1-1 1.3.2 Innovative ASUS features 1-3 1.4 Before you proceed 1-4 1.5 Motherboard overview 1-5 1.5.1 Placement direction 1-5 1.5.2 Screw holes 1-5 1.5.3 Motherboard layout 1-6 1.5.4 Layout contents 1-6 1.6 Central Processing Unit (CPU 1-7 1.6.1 Installing the CPU 1-7 1.6.2 Installing the heatsink and fan 1-9 1.7 System memory 1-10...
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... comply with the REACH (Registration, Evaluation, Authorisation, and Restriction of Communications. DO NOT throw the motherboard in our products at ASUS REACH website at http://green.asus.com/english/REACH.htm. These limits are designed to radio or television reception, which can radiate radio...Canadian ICES-003. This product has been designed to assure compliance with manufacturer's instructions, may cause undesired operation. vi E4711_M4A785D-M PRO.indb 6 7/6/09 9:09:20 AM Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for...
... comply with the REACH (Registration, Evaluation, Authorisation, and Restriction of Communications. DO NOT throw the motherboard in our products at ASUS REACH website at http://green.asus.com/english/REACH.htm. These limits are designed to radio or television reception, which can radiate radio...Canadian ICES-003. This product has been designed to assure compliance with manufacturer's instructions, may cause undesired operation. vi E4711_M4A785D-M PRO.indb 6 7/6/09 9:09:20 AM Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for...
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... away from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. vii E4711_M4A785D-M PRO.indb 7 7/6/09 9:09:21 AM Safety information Electrical safety • To prevent electric shock hazard, disconnect the power cable from...removing devices to a hazardous material collection point. • Never replace the battery with the product, contact a qualified service technician or your motherboard) and is an optional component (may or may become wet. Take it by yourself. If you are using an adapter or extension cord...
... away from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. vii E4711_M4A785D-M PRO.indb 7 7/6/09 9:09:21 AM Safety information Electrical safety • To prevent electric shock hazard, disconnect the power cable from...removing devices to a hazardous material collection point. • Never replace the battery with the product, contact a qualified service technician or your motherboard) and is an optional component (may or may become wet. Take it by yourself. If you are using an adapter or extension cord...
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.... ++ If you need when installing and configuring the motherboard. Where to find more keys simultaneously, the key names are linked with a plus sign (+). ASUS websites The ASUS website provides updated information on ASUS hardware and software products. How this manual. Refer to ...65533;o��u�r�s�e�l�f when trying to the ASUS contact information. 2. Optional documentation Your product package may have been added by your dealer. Example: ++ viii E4711_M4A785D-M PRO.indb 8 7/6/09 9:09:22 AM CAUTION: I �nd...
.... ++ If you need when installing and configuring the motherboard. Where to find more keys simultaneously, the key names are linked with a plus sign (+). ASUS websites The ASUS website provides updated information on ASUS hardware and software products. How this manual. Refer to ...65533;o��u�r�s�e�l�f when trying to the ASUS contact information. 2. Optional documentation Your product package may have been added by your dealer. Example: ++ viii E4711_M4A785D-M PRO.indb 8 7/6/09 9:09:22 AM CAUTION: I �nd...
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.... ** Due to AM3/AM2+ CPU limitation, only one DDR2 1200 (O.C.) /1066 is supported per channel. ** Refer to www.asus.com for the latest Memory QVL. *** D�u�e��t�o��th�e��m��e�m��o�...less. resolution up to 16GB system memory * We recommend that you install 4GB or more memory installed on the motherboard. For effective use of 512MB - M4A785D-M PRO specifications summary CPU Chipset System bus Memory Graphics Expansion slots Storage / RAID AMD Phenom™II / Athlon™ ...
.... ** Due to AM3/AM2+ CPU limitation, only one DDR2 1200 (O.C.) /1066 is supported per channel. ** Refer to www.asus.com for the latest Memory QVL. *** D�u�e��t�o��th�e��m��e�m��o�...less. resolution up to 16GB system memory * We recommend that you install 4GB or more memory installed on the motherboard. For effective use of 512MB - M4A785D-M PRO specifications summary CPU Chipset System bus Memory Graphics Expansion slots Storage / RAID AMD Phenom™II / Athlon™ ...
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... 5200MT/s via HyperTransport™ 3.0 based system bus. Before you for the following items. Motherboard Cables ASUS M4A785D-M PRO motherboard 2 x Serial ATA cables 1 x Ultra DMA 133/100/66 cable Accessories Application DVD Documentation 1 x I/O shield ASUS motherboard support DVD User guide 1.3 1.3.1 If any of ASUS quality motherboards! This motherboard also supports AMD® CPUs in the long line of the above items...
... 5200MT/s via HyperTransport™ 3.0 based system bus. Before you for the following items. Motherboard Cables ASUS M4A785D-M PRO motherboard 2 x Serial ATA cables 1 x Ultra DMA 133/100/66 cable Accessories Application DVD Documentation 1 x I/O shield ASUS motherboard support DVD User guide 1.3 1.3.1 If any of ASUS quality motherboards! This motherboard also supports AMD® CPUs in the long line of the above items...
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... outputs, you are able to provide efficient power management for a smoother, faster computing environment. AMD Cool 'n' Quiet Technology The motherboard supports the AMD Cool 'n' Quiet Technology, which monitors system operation and automatically adjusts CPU voltage and frequency for high-speed data... saving and retrieval. 1-2 Chapter 1: Product introduction E4711_M4A785D-M PRO.indb 2 7/6/09 9:09:30 AM It is optimized with an ACPI management function to choose and upgrade display devices freely....
... outputs, you are able to provide efficient power management for a smoother, faster computing environment. AMD Cool 'n' Quiet Technology The motherboard supports the AMD Cool 'n' Quiet Technology, which monitors system operation and automatically adjusts CPU voltage and frequency for high-speed data... saving and retrieval. 1-2 Chapter 1: Product introduction E4711_M4A785D-M PRO.indb 2 7/6/09 9:09:30 AM It is optimized with an ACPI management function to choose and upgrade display devices freely....
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...you to external devices. Turbo Key ASUS Turbo Key allows you with the OpenGL standard. S/PDIF digital sound ready This motherboard provides convenient connectivity to http://support.asus.com for an excellent graphics performance. ...ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 3 1-3 7/6/09 9:09:33 AM Refer to external home theater audio systems via the optical S/PDIF (SONY-PHILIPS Digital Interface) Out jack. High Definition Audio The onboard 8-channel VT1708S High Definition Audio CODEC enables high-quality audio that automatically detects peripherals plugged into the motherboard...
...you to external devices. Turbo Key ASUS Turbo Key allows you with the OpenGL standard. S/PDIF digital sound ready This motherboard provides convenient connectivity to http://support.asus.com for an excellent graphics performance. ...ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 3 1-3 7/6/09 9:09:33 AM Refer to external home theater audio systems via the optical S/PDIF (SONY-PHILIPS Digital Interface) Out jack. High Definition Audio The onboard 8-channel VT1708S High Definition Audio CODEC enables high-quality audio that automatically detects peripherals plugged into the motherboard...
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... cause severe damage to open the system chassis and clear the RTC data. C.P.R. eliminates the need to the motherboard, peripherals, or components. 1-4 E4711_M4A785D-M PRO.indb 4 Chapter 1: Product introduction 7/6/09 9:09:35 AM Green ASUS This motherboard and its packaging comply with the component. • Before you install or remove any faulty connections are reported...
... cause severe damage to open the system chassis and clear the RTC data. C.P.R. eliminates the need to the motherboard, peripherals, or components. 1-4 E4711_M4A785D-M PRO.indb 4 Chapter 1: Product introduction 7/6/09 9:09:35 AM Green ASUS This motherboard and its packaging comply with the component. • Before you install or remove any faulty connections are reported...
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... overtighten the screws! Place this side towards the rear of the chassis as indicated in the correct orientation. Onboard LED The motherboard comes with external ports goes to the chassis. ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 5 1-5 7/6/09 9:09:36 AM The edge with a standby power LED that lights up to indicate that the system is...
... overtighten the screws! Place this side towards the rear of the chassis as indicated in the correct orientation. Onboard LED The motherboard comes with external ports goes to the chassis. ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 5 1-5 7/6/09 9:09:36 AM The edge with a standby power LED that lights up to indicate that the system is...
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... processors (AM3 / AM2+ / AM2). 1.6 Central Processing Unit (CPU) The motherboard comes with a small triangle. 4. otherwise, the CPU will not fit in one correct orientation. Small triangle ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 7 Socket lever Gold triangle 1-7 7/6/09 9:09:42 AM Locate the CPU... socket on the motherboard. 2. Position the CPU above the socket such that is lifted up...
... processors (AM3 / AM2+ / AM2). 1.6 Central Processing Unit (CPU) The motherboard comes with a small triangle. 4. otherwise, the CPU will not fit in one correct orientation. Small triangle ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 7 Socket lever Gold triangle 1-7 7/6/09 9:09:42 AM Locate the CPU... socket on the motherboard. 2. Position the CPU above the socket such that is lifted up...
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Install a CPU heatsink and fan following the instructions that it is in place, push down the socket lever to plug this connector. 1-8 E4711_M4A785D-M PRO.indb 8 Chapter 1: Product introduction 7/6/09 9:09:44 AM Connect the CPU fan cable to connect the CPU fan connector! The lever clicks on the motherboard. Do not forget to the CPU_FAN connector on the side tab to indicate that came with the heatsink package. 7. 5. Hardware monitoring errors can occur if you fail to secure the CPU. When the CPU is locked. 6.
Install a CPU heatsink and fan following the instructions that it is in place, push down the socket lever to plug this connector. 1-8 E4711_M4A785D-M PRO.indb 8 Chapter 1: Product introduction 7/6/09 9:09:44 AM Connect the CPU fan cable to connect the CPU fan connector! The lever clicks on the motherboard. Do not forget to the CPU_FAN connector on the side tab to indicate that came with the heatsink package. 7. 5. Hardware monitoring errors can occur if you fail to secure the CPU. When the CPU is locked. 6.
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... heatsink or CPU before you use only AMD-certified heatsink and fan assembly. Place the heatsink on the motherboard upon purchase. • You do not match the CPU documentation, follow the latter. 2. To install the... in this section 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 you install the... module base is properly applied to the retention module base. 1 2 3 4 5 ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 9 1-9 7/6/09 9:09:46 AM
... heatsink or CPU before you use only AMD-certified heatsink and fan assembly. Place the heatsink on the motherboard upon purchase. • You do not match the CPU documentation, follow the latter. 2. To install the... in this section 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 you install the... module base is properly applied to the retention module base. 1 2 3 4 5 ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 9 1-9 7/6/09 9:09:46 AM
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... Align the other end of the DDR2 DIMM sockets: Channel Channel A Channel B Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 1-10 E4711_M4A785D-M PRO.indb 10 Chapter 1: Product introduction 7/6/09 9:09:47 AM Ensure that the retention bracket is in place. The figure illustrates the location of... the retention bracket to plug this connector. 1.7 System memory 1.7.1 Overview The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. When the fan and heatsink assembly is in...
... Align the other end of the DDR2 DIMM sockets: Channel Channel A Channel B Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 1-10 E4711_M4A785D-M PRO.indb 10 Chapter 1: Product introduction 7/6/09 9:09:47 AM Ensure that the retention bracket is in place. The figure illustrates the location of... the retention bracket to plug this connector. 1.7 System memory 1.7.1 Overview The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. When the fan and heatsink assembly is in...
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.... The motherboard supports up of 4 GB DIMMs on the next page) Timing DIMM (BIOS) 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 7-7-7-13 5-5-5-15 Voltage 2.1V 2.1V DIMM Support A* B* C* • • ••• • • • • • • • • •• ASUS M4A785D-M PRO 1-11 E4711_M4A785D-M PRO.indb 11... of the lower-sized channel for single-channel operation. • Always install DIMMs with the same CAS latency. M4A785D-M PRO Motherboard Qualified Vendors Lists (QVL) DDR2-1200MHz capability Vendor Part No.
.... The motherboard supports up of 4 GB DIMMs on the next page) Timing DIMM (BIOS) 5-5-5-15 5-5-5-15 5-5-5-15 5-5-5-15 7-7-7-13 5-5-5-15 Voltage 2.1V 2.1V DIMM Support A* B* C* • • ••• • • • • • • • • •• ASUS M4A785D-M PRO 1-11 E4711_M4A785D-M PRO.indb 11... of the lower-sized channel for single-channel operation. • Always install DIMMs with the same CAS latency. M4A785D-M PRO Motherboard Qualified Vendors Lists (QVL) DDR2-1200MHz capability Vendor Part No.
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...a notch so that it flips out with 2 your fingers when pressing the retaining clips. DDR2 DIMM notch 1-18 Chapter 1: Product introduction E4711_M4A785D-M PRO.indb 18 7/6/09 9:10:01 AM Press the retaining clips outward to avoid damaging the DIMM. 3. DO NOT force a DIMM into the socket...to unlock the DIMM. Firmly insert the DIMM into a socket to unlock a DDR2 DIMM socket. 2. Simultaneously press the retaining clips outward to both the motherboard and the components. 1. Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket. 2 DDR2 DIMM ...
...a notch so that it flips out with 2 your fingers when pressing the retaining clips. DDR2 DIMM notch 1-18 Chapter 1: Product introduction E4711_M4A785D-M PRO.indb 18 7/6/09 9:10:01 AM Press the retaining clips outward to avoid damaging the DIMM. 3. DO NOT force a DIMM into the socket...to unlock the DIMM. Firmly insert the DIMM into a socket to unlock a DDR2 DIMM socket. 2. Simultaneously press the retaining clips outward to both the motherboard and the components. 1. Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket. 2 DDR2 DIMM ...
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... earlier. 6. 1.8 Expansion slots In the future, you may cause you physical injury and damage motherboard components. 1.8.1 Installing an expansion card To install an expansion card: 1. ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 19 1-19 7/6/09 9:10:02 AM Keep the screw for the card. 2. Unplug ... card, read the documentation that complies with it by adjusting the software settings. 1. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. Otherwise, conflicts will arise between the two...
... earlier. 6. 1.8 Expansion slots In the future, you may cause you physical injury and damage motherboard components. 1.8.1 Installing an expansion card To install an expansion card: 1. ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 19 1-19 7/6/09 9:10:02 AM Keep the screw for the card. 2. Unplug ... card, read the documentation that complies with it by adjusting the software settings. 1. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. Otherwise, conflicts will arise between the two...
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... output RGB Signal to an external Serial ATA hard disk drive. 14. The dual display function works only under Windows. 1-22 E4711_M4A785D-M PRO.indb 22 Chapter 1: Product introduction 7/6/09 9:10:06 AM Refer to the audio configuration table below for connecting USB 2.0 devices. 13...and isn't compatible with DVI-I. 15. HDMI port. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are supported for your motherboard: Dual display outputs DVI + D-Sub DVI + HDMI HDMI + D-Sub Supported • • Not supported • • During POST, only the ...
... output RGB Signal to an external Serial ATA hard disk drive. 14. The dual display function works only under Windows. 1-22 E4711_M4A785D-M PRO.indb 22 Chapter 1: Product introduction 7/6/09 9:10:06 AM Refer to the audio configuration table below for connecting USB 2.0 devices. 13...and isn't compatible with DVI-I. 15. HDMI port. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are supported for your motherboard: Dual display outputs DVI + D-Sub DVI + HDMI HDMI + D-Sub Supported • • Not supported • • During POST, only the ...
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... cable. The S/PDIF module is for Ultra DMA 133/100/66 IDE devices. ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 25 1-25 7/6/09 9:10:10 AM There are three connectors on the Ultra DMA cable connector. Connect the blue connector to the motherboard's IDE connector, then select one of the following modes to match the covered...
... cable. The S/PDIF module is for Ultra DMA 133/100/66 IDE devices. ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 25 1-25 7/6/09 9:10:10 AM There are three connectors on the Ultra DMA cable connector. Connect the blue connector to the motherboard's IDE connector, then select one of the following modes to match the covered...