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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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...30 1.11.2 Support DVD information 1-30 Chapter 2: BIOS information 2.1 Managing and updating your BIOS 2-1 2.1.1 ASUS Update utility 2-1 2.1.2 ASUS EZ Flash 2 utility 2-2 2.1.3 ASUS CrashFree BIOS 3 utility 2-3 2.2 BIOS setup program 2-4 2.2.1 BIOS menu screen 2-5 2.2.2 Menu bar 2-5 ... Configuration 2-9 2.4.2 CPU Configuration 2-12 2.4.3 Chipset 2-13 2.4.4 Onboard Devices Configuration 2-14 2.4.5 PCI PnP 2-15 2.4.6 USB Configuration 2-15 2.5 Power menu 2-16 2.5.1 Suspend Mode 2-16 2.5.2 ACPI 2.0 Support 2-16 2.5.3 ACPI APIC Support 2-16 iv E4711_M4A785D-M PRO.indb 4 7/6/09...
...30 1.11.2 Support DVD information 1-30 Chapter 2: BIOS information 2.1 Managing and updating your BIOS 2-1 2.1.1 ASUS Update utility 2-1 2.1.2 ASUS EZ Flash 2 utility 2-2 2.1.3 ASUS CrashFree BIOS 3 utility 2-3 2.2 BIOS setup program 2-4 2.2.1 BIOS menu screen 2-5 2.2.2 Menu bar 2-5 ... Configuration 2-9 2.4.2 CPU Configuration 2-12 2.4.3 Chipset 2-13 2.4.4 Onboard Devices Configuration 2-14 2.4.5 PCI PnP 2-15 2.4.6 USB Configuration 2-15 2.5 Power menu 2-16 2.5.1 Suspend Mode 2-16 2.5.2 ACPI 2.0 Support 2-16 2.5.3 ACPI APIC Support 2-16 iv E4711_M4A785D-M PRO.indb 4 7/6/09...
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... Windows OS when having 4GB or more memory on the motherboard, the actual usable memory for the OS can be about 3GB or less. M4A785D-M PRO specifications summary CPU Chipset System bus Memory Graphics Expansion slots Storage / RAID AMD Phenom™II / Athlon™ II / Phenom™/ Athlon ™ /... the blue slots for better performance. ** DDR2 1200 (O.C.)/1066 is supported by AM3/AM2+ CPU only. ** Due to AM3/AM2+ CPU limitation, only one DDR2 1200 (O.C.) /1066 is supported per channel. ** Refer to www.asus.com for H.264, VC-1, and MPEG-2 Dual VGA output supports: - DVI-D with HDCP ...
... Windows OS when having 4GB or more memory on the motherboard, the actual usable memory for the OS can be about 3GB or less. M4A785D-M PRO specifications summary CPU Chipset System bus Memory Graphics Expansion slots Storage / RAID AMD Phenom™II / Athlon™ II / Phenom™/ Athlon ™ /... the blue slots for better performance. ** DDR2 1200 (O.C.)/1066 is supported by AM3/AM2+ CPU only. ** Due to AM3/AM2+ CPU limitation, only one DDR2 1200 (O.C.) /1066 is supported per channel. ** Refer to www.asus.com for H.264, VC-1, and MPEG-2 Dual VGA output supports: - DVI-D with HDCP ...
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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 both HDMI/DVI and RGB. With such diversity of display outputs, you are able to 5200MT/s...supported by Windows Vista OS only. • Visit www.amd.com 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 DDR2 1200 O.C. HDMI support HDMI (High-Definition Multimedia Interface) is the first and only industrysupported, uncompressed, ...
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 both HDMI/DVI and RGB. With such diversity of display outputs, you are able to 5200MT/s...supported by Windows Vista OS only. • Visit www.amd.com 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 DDR2 1200 O.C. HDMI support HDMI (High-Definition Multimedia Interface) is the first and only industrysupported, uncompressed, ...
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...to 100 meters at 1 meter accuracy. feature automatically restores the CPU default settings when the system hangs due to personalize your favorite photos into 256-color boot logos to overclocking failure. ASUS MyLogo2™ Turn your system. This is an auto-recovery tool... detects cable connection the second you turn on the use of Hazardous Substances (RoHS). CPU Parameter Recall (C.P.R) The BIOS 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 Failure to do so ...
...to 100 meters at 1 meter accuracy. feature automatically restores the CPU default settings when the system hangs due to personalize your favorite photos into 256-color boot logos to overclocking failure. ASUS MyLogo2™ Turn your system. This is an auto-recovery tool... detects cable connection the second you turn on the use of Hazardous Substances (RoHS). CPU Parameter Recall (C.P.R) The BIOS 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 Failure to do so ...
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... an AM2+ / AM2 socket designed for Phenom™ II / Athlon™ II / Phenom™ / Athlon™/ Sempron™ family processors (AM3 / AM2+ / AM2). otherwise, the CPU will not fit in completely. 3. 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
... an AM2+ / AM2 socket designed for Phenom™ II / Athlon™ II / Phenom™ / Athlon™/ Sempron™ family processors (AM3 / AM2+ / AM2). otherwise, the CPU will not fit in completely. 3. 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
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Hardware monitoring errors can occur if you fail to connect the CPU fan connector! 5. Install a CPU heatsink and fan following the instructions that it is in place, push down the socket lever to the CPU_FAN connector on the side tab to indicate that came with the heatsink package. 7. Do not forget 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 secure the CPU. When the CPU is locked. 6. The lever clicks on the motherboard.
Hardware monitoring errors can occur if you fail to connect the CPU fan connector! 5. Install a CPU heatsink and fan following the instructions that it is in place, push down the socket lever to the CPU_FAN connector on the side tab to indicate that came with the heatsink package. 7. Do not forget 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 secure the CPU. When the CPU is locked. 6. The lever clicks on the motherboard.
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... 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 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 1.6.2 Installing the heatsink and fan Ensure...
... 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 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 1.6.2 Installing the heatsink and fan Ensure...
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... Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. Ensure that the retention bracket is in place, connect the CPU fan cable to connect the CPU fan connector! The figure illustrates the location of the retention bracket to the 184-pin DDR DIMM. 3. 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 ...
... Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. Ensure that the retention bracket is in place, connect the CPU fan cable to connect the CPU fan connector! The figure illustrates the location of the retention bracket to the 184-pin DDR DIMM. 3. 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 ...
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...CMOS, reinstall the battery. • You do not help, remove the onboard battery and move the cap back to default values. 1-20 E4711_M4A785D-M PRO.indb 20 Chapter 1: Product introduction 7/6/09 9:10:03 AM Removing the cap will cause system boot failure! • If the steps above do... button cell battery powers the RAM data in CMOS. Shut down the key during the boot process and enter BIOS setup to overclocking, use the CPU Parameter Recall (C.P.R) feature. Keep the cap on CLRTC jumper default position. Clear RTC RAM (CLRTC) This jumper allows you to pins 2-3. 1.9 Jumpers...
...CMOS, reinstall the battery. • You do not help, remove the onboard battery and move the cap back to default values. 1-20 E4711_M4A785D-M PRO.indb 20 Chapter 1: Product introduction 7/6/09 9:10:03 AM Removing the cap will cause system boot failure! • If the steps above do... button cell battery powers the RAM data in CMOS. Shut down the key during the boot process and enter BIOS setup to overclocking, use the CPU Parameter Recall (C.P.R) feature. Keep the cap on CLRTC jumper default position. Clear RTC RAM (CLRTC) This jumper allows you to pins 2-3. 1.9 Jumpers...
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ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 23 1-23 7/6/09 9:10:07 AM These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. CPU DIMM BIOS setup Suggested list AMD® Athlon 4400+ DDR2 800 (1GB or higher) Frame Buffer Size--256MB or higher File format Non-protected clips ...
ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 23 1-23 7/6/09 9:10:07 AM These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. CPU DIMM BIOS setup Suggested list AMD® Athlon 4400+ DDR2 800 (1GB or higher) Frame Buffer Size--256MB or higher File format Non-protected clips ...
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...CPU fan connector supports the ASUS Q-FAN feature. 10. Connect the fan cables to the fan connectors. Do not place jumper caps on the motherboard, ensuring that the black wire of each cable matches the ground pin of the system chassis. Serial port connectors (10-1 pin COM1) The connector is purchased separately. ASUS M4A785D-M PRO... E4711_M4A785D-M PRO.indb 29 1-29 7/6/09 9:10:16 AM These are not jumpers! 9. Do not forget to connect the fan cables...
...CPU fan connector supports the ASUS Q-FAN feature. 10. Connect the fan cables to the fan connectors. Do not place jumper caps on the motherboard, ensuring that the black wire of each cable matches the ground pin of the system chassis. Serial port connectors (10-1 pin COM1) The connector is purchased separately. ASUS M4A785D-M PRO... E4711_M4A785D-M PRO.indb 29 1-29 7/6/09 9:10:16 AM These are not jumpers! 9. Do not forget to connect the fan cables...
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... and Exit ESC Exit v02.61 (C)Copyright 1985-2008, American Megatrends, Inc. 2.4.1 JumperFree Configuration CPU Overclocking [Auto] Allows selection of the general system specifications. ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 9 2-9 7/6/09 9:10:27 AM Loads the optimal settings for the CPU and other system devices. BIOS Information Displays the auto-detected BIOS information Processor Displays the...
... and Exit ESC Exit v02.61 (C)Copyright 1985-2008, American Megatrends, Inc. 2.4.1 JumperFree Configuration CPU Overclocking [Auto] Allows selection of the general system specifications. ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 9 2-9 7/6/09 9:10:27 AM Loads the optimal settings for the CPU and other system devices. BIOS Information Displays the auto-detected BIOS information Processor Displays the...
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...you to set the PCIE frequency. PCIE Clock [100] Allows you to set the overclock options. CPU Ratio and Voltage: Processor Frequency Multiplier [Auto] Allows you to set the GPU frequency. to adjust... the value The following item appears only when the CPU Overclocking item is set to [Manual]. Configuration options: [Auto] [Manual] The following item appears ... between 100 and 150. Press / keys to adjust the value. 2-10 E4711_M4A785D-M PRO.indb 10 Chapter 2: BIOS information 7/6/09 9:10:28 AM The valid value is from 200 MHz to...
...you to set the PCIE frequency. PCIE Clock [100] Allows you to set the overclock options. CPU Ratio and Voltage: Processor Frequency Multiplier [Auto] Allows you to set the GPU frequency. to adjust... the value The following item appears only when the CPU Overclocking item is set to [Manual]. Configuration options: [Auto] [Manual] The following item appears ... between 100 and 150. Press / keys to adjust the value. 2-10 E4711_M4A785D-M PRO.indb 10 Chapter 2: BIOS information 7/6/09 9:10:28 AM The valid value is from 200 MHz to...
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... manually set the chipset voltage or set the memory over voltage. Configuration options: [Disabled] [Enabled] CPU Prefetching [Enabled] Allows you to enable or disable the CPU Prefetching. Configuration options: [Disabled] [Enabled] Microcode Updation [Enabled] Allows you to enable or disable... the microcode updation. Configuration options: [Disabled] [Auto] [All Cores] [Per Core] 2-12 E4711_M4A785D-M PRO.indb 12 Chapter 2: BIOS ...
... manually set the chipset voltage or set the memory over voltage. Configuration options: [Disabled] [Enabled] CPU Prefetching [Enabled] Allows you to enable or disable the CPU Prefetching. Configuration options: [Disabled] [Enabled] Microcode Updation [Enabled] Allows you to enable or disable... the microcode updation. Configuration options: [Disabled] [Auto] [All Cores] [Per Core] 2-12 E4711_M4A785D-M PRO.indb 12 Chapter 2: BIOS ...
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... monitor automatically detects and displays the motherboard and CPU temperatures. VCORE Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage The onboard hardware monitor automatically detects the voltage output through a PCI/PCIE card. Select an item then press to the motherboard, the fields show N/A. ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 17 2-17 7/6/09 9:10:32 AM Configuration...
... monitor automatically detects and displays the motherboard and CPU temperatures. VCORE Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage The onboard hardware monitor automatically detects the voltage output through a PCI/PCIE card. Select an item then press to the motherboard, the fields show N/A. ASUS M4A785D-M PRO E4711_M4A785D-M PRO.indb 17 2-17 7/6/09 9:10:32 AM Configuration...