User Manual
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... vii About this guide viii M4A785G HTPC Series 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 1-2 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 1-8 1.7 System memory 1-10 1.7.1 Overview 1-10...
... vii About this guide viii M4A785G HTPC Series 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 1-2 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 1-8 1.7 System memory 1-10 1.7.1 Overview 1-10...
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...support 1-34 1.11.1 Installing an operating system 1-34 1.11.2 Support DVD information 1-34 1.11.3 ASUS Home Theater Gate 1-35 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 2-3 2.2.1 BIOS menu screen 2-4 2.2.2 Menu bar...2-9 2.4.2 CPU Ratio [Auto 2-9 2.4.3 DRAM Frequency [Auto 2-9 2.4.4 CPU/NB Frequency [Auto 2-10 2.4.5 HT Link Frequency [Auto 2-10 2.4.6 Memory Configuration 2-10 2.4.7 DRAM Timing Configuration 2-10 iv
...support 1-34 1.11.1 Installing an operating system 1-34 1.11.2 Support DVD information 1-34 1.11.3 ASUS Home Theater Gate 1-35 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 2-3 2.2.1 BIOS menu screen 2-4 2.2.2 Menu bar...2-9 2.4.2 CPU Ratio [Auto 2-9 2.4.3 DRAM Frequency [Auto 2-9 2.4.4 CPU/NB Frequency [Auto 2-10 2.4.5 HT Link Frequency [Auto 2-10 2.4.6 Memory Configuration 2-10 2.4.7 DRAM Timing Configuration 2-10 iv
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...DirectX 10.1, OpenGL 2.0, Pixel Shader 4.0 - resolution up to 2560 x 1440 @ 75Hz for the Memory QVL (Qualified Vendors Lists). ** Due to 5200 MT/s; M4A785G HTPC Series specifications summary CPU Chipset System bus Memory Graphics Expansion Slots AMD® AM3/AM2+/AM2 Phenom™ II / Athlon™ II / .../s for H.264, VC-1, and MPEG-2 - resolution up to 2560 x 1600 @ 60Hz - Refer to www.asus.com or this user manual for 16:9 format - Maximum shared memory of 4GB capacity or more, Windows 32-bit operation system may only recognize less than 3GB is recommended.
...DirectX 10.1, OpenGL 2.0, Pixel Shader 4.0 - resolution up to 2560 x 1440 @ 75Hz for the Memory QVL (Qualified Vendors Lists). ** Due to 5200 MT/s; M4A785G HTPC Series specifications summary CPU Chipset System bus Memory Graphics Expansion Slots AMD® AM3/AM2+/AM2 Phenom™ II / Athlon™ II / .../s for H.264, VC-1, and MPEG-2 - resolution up to 2560 x 1600 @ 60Hz - Refer to www.asus.com or this user manual for 16:9 format - Maximum shared memory of 4GB capacity or more, Windows 32-bit operation system may only recognize less than 3GB is recommended.
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... Cables Accessories Application DVD Documentations ASUS M4A785G HTPC Series motherboard 1 x Ultra DMA 133/100/66 cable 2 x Serial ATA signal cables 1 x I/O shield 1 x 2 in the new 45nm manufacturing process. This motherboard also supports AMD® CPUs in 1 Q-connector (USB and system panel; It features dual-channel DDR2 1200(O.C.)/1066 memory support and accelerates data transfer rate...
... Cables Accessories Application DVD Documentations ASUS M4A785G HTPC Series motherboard 1 x Ultra DMA 133/100/66 cable 2 x Serial ATA signal cables 1 x I/O shield 1 x 2 in the new 45nm manufacturing process. This motherboard also supports AMD® CPUs in 1 Q-connector (USB and system panel; It features dual-channel DDR2 1200(O.C.)/1066 memory support and accelerates data transfer rate...
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... speed and external graphics in 3D graphics and other memory demanding applications. AMD® 785G chipset The AMD® 785G Northbridge is a unique multi-GPU technology combining the onboard GPU and the discrete graphics card together to deliver virtual 5.1 surround through just 2 speakers. 1-2 ASUS M4A785G HTPC Series DTS Surround Sensation UltraPC provides proprietary DTS...
... speed and external graphics in 3D graphics and other memory demanding applications. AMD® 785G chipset The AMD® 785G Northbridge is a unique multi-GPU technology combining the onboard GPU and the discrete graphics card together to deliver virtual 5.1 surround through just 2 speakers. 1-2 ASUS M4A785G HTPC Series DTS Surround Sensation UltraPC provides proprietary DTS...
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...does not support DIMMs made up of the DDR2 DIMM sockets: Channel Channel A Channel B Sockets DIMM_A1 and DIMM_A2 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. • You may... for the dual-channel configuration. 1.7 System memory 1.7.1 Overview The motherboard comes with the same CAS latency. A DDR2 module has the same physical dimensions as a DDR DIMM but has a 240-pin footprint compared to support a full memory load (4 DIMMs) or overclocking condition. 1-10 ASUS M4A785G HTPC Series
...does not support DIMMs made up of the DDR2 DIMM sockets: Channel Channel A Channel B Sockets DIMM_A1 and DIMM_A2 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. • You may... for the dual-channel configuration. 1.7 System memory 1.7.1 Overview The motherboard comes with the same CAS latency. A DDR2 module has the same physical dimensions as a DDR DIMM but has a 240-pin footprint compared to support a full memory load (4 DIMMs) or overclocking condition. 1-10 ASUS M4A785G HTPC Series
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Visit the ASUS website for the latest QVL. SS APACER AM4B5708JQJS7E SS APACER AM4B5808CQJS7E DS APACER AM4B5808CQJS7E SS N/A 64M8CFEG DS N/A 64M8CFEG SS ELPIDA E5108AE-6E-E DS G.Skill D264M8GCF .... • 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 2) 1024MB 1024MB 512MB 1024MB 1024MB 2048MB ...
Visit the ASUS website for the latest QVL. SS APACER AM4B5708JQJS7E SS APACER AM4B5808CQJS7E DS APACER AM4B5808CQJS7E SS N/A 64M8CFEG DS N/A 64M8CFEG SS ELPIDA E5108AE-6E-E DS G.Skill D264M8GCF .... • 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 2) 1024MB 1024MB 512MB 1024MB 1024MB 2048MB ...
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...the system hangs due to overclocking. Keep the cap on the power supply or unplug and plug the power cord before rebooting the system. 1-20 ASUS M4A785G HTPC Series For system failure due to pins 2-3. function. Turn OFF the computer and unplug the power cord. 2. 1.9 Jumpers Clear RTC RAM (CLRTC...remove the onboard battery and move the cap back to enable C.P.R. Hold down and reboot the system so the BIOS can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. You can automatically reset parameter settings to default values. ...
...the system hangs due to overclocking. Keep the cap on the power supply or unplug and plug the power cord before rebooting the system. 1-20 ASUS M4A785G HTPC Series For system failure due to pins 2-3. function. Turn OFF the computer and unplug the power cord. 2. 1.9 Jumpers Clear RTC RAM (CLRTC...remove the onboard battery and move the cap back to enable C.P.R. Hold down and reboot the system so the BIOS can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. You can automatically reset parameter settings to default values. ...
User Manual
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...] Enables or disables the OnChip SATA Channel. The AHCI allows the onboard storage driver to select the SATA type for SATA port 1-4. System Memory Displays the auto-detected system memory. 2-8 ASUS M4A785G HTPC Series Configuration options: [Enabled] [Disabled] The following two (2) items appear only when you set this item to [RAID]. 2.3.7 System Information This menu...
...] Enables or disables the OnChip SATA Channel. The AHCI allows the onboard storage driver to select the SATA type for SATA port 1-4. System Memory Displays the auto-detected system memory. 2-8 ASUS M4A785G HTPC Series Configuration options: [Enabled] [Disabled] The following two (2) items appear only when you set this item to [RAID]. 2.3.7 System Information This menu...
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...System Frequency/Voltage Ai Overclock Tuner [Auto] CPU Ratio [Auto] DRAM Frequency [Auto] CPU/NB Frequency [Auto] HT Link Frequency [Auto] Memory Configuration DRAM Timing Configuration ******* Please key in numbers directly! ******* CPU Voltage [Auto] CPU/NB Voltage [Auto] DRAM Voltage [Auto] NB Voltage...to the system bus and PCI bus. Configuration options: [Manual] [Auto] The following items vary depending on the CPU and memory modules you to 600. The configuration options vary with the CPU Bus Frequency item settings. The values range from 200 to ...
...System Frequency/Voltage Ai Overclock Tuner [Auto] CPU Ratio [Auto] DRAM Frequency [Auto] CPU/NB Frequency [Auto] HT Link Frequency [Auto] Memory Configuration DRAM Timing Configuration ******* Please key in numbers directly! ******* CPU Voltage [Auto] CPU/NB Voltage [Auto] DRAM Voltage [Auto] NB Voltage...to the system bus and PCI bus. Configuration options: [Manual] [Auto] The following items vary depending on the CPU and memory modules you to 600. The configuration options vary with the CPU Bus Frequency item settings. The values range from 200 to ...
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...disable MemClk Tri-Stating during C3 and Alt VID. 2.4.4 CPU/NB Frequency [Auto] Allows you to DIMMs even the memory slots are no populated. Bank Interleaving [Auto] Allows you to set the channel interleaving mode. The configuration options for ...Down Enable [Disabled] Allows you to enable or disable the bank memory interleaving. Configuration options: [Disabled] [Enabled] DCT Unganged Mode [Always] Allows selection of the following items vary depending on the motherboard. 2-10 ASUS M4A785G HTPC Series Configuration options: [Channel] [Chip Select] 2.4.7 DRAM Timing ...
...disable MemClk Tri-Stating during C3 and Alt VID. 2.4.4 CPU/NB Frequency [Auto] Allows you to DIMMs even the memory slots are no populated. Bank Interleaving [Auto] Allows you to set the channel interleaving mode. The configuration options for ...Down Enable [Disabled] Allows you to enable or disable the bank memory interleaving. Configuration options: [Disabled] [Enabled] DCT Unganged Mode [Always] Allows selection of the following items vary depending on the motherboard. 2-10 ASUS M4A785G HTPC Series Configuration options: [Channel] [Chip Select] 2.4.7 DRAM Timing ...
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... [Disabled] [Enabled] DRAM SCRUB REDIRECT [Disabled] Enables or disables the DRAM SCRUB REDIRECT feature that allows the hardware to report and correct memory errors. Configuration options: [Disabled] [Enabled] 4-Bit ECC Mode [Disabled] Enables or disables the ECC chip kill feature. Configuration options: [... Allows you to correct the DRAM ECC errors immediately when they occur. Configuration options: [Auto] [Enabled] [Disabled] 2-14 ASUS M4A785G HTPC Series ECC Configuration ECC Mode [Disabled] Disables or sets the DRAM ECC mode that allows the system to change the advanced chipset...
... [Disabled] [Enabled] DRAM SCRUB REDIRECT [Disabled] Enables or disables the DRAM SCRUB REDIRECT feature that allows the hardware to report and correct memory errors. Configuration options: [Disabled] [Enabled] 4-Bit ECC Mode [Disabled] Enables or disables the ECC chip kill feature. Configuration options: [... Allows you to correct the DRAM ECC errors immediately when they occur. Configuration options: [Auto] [Enabled] [Disabled] 2-14 ASUS M4A785G HTPC Series ECC Configuration ECC Mode [Disabled] Disables or sets the DRAM ECC mode that allows the system to change the advanced chipset...