User Manual
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...Notices...vi Safety information vii About this guide viii M4A785-M specifications summary x 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 1-5 1.5 Motherboard overview 1-6 1.5.1 Placement direction 1-6 1.5.2 Screw holes 1-6 1.5.3 Motherboard layout 1-7 1.5.4 Layout contents 1-7 1.6 Central Processing Unit (CPU 1-8 1.6.1 Installing the CPU 1-8 1.6.2 Installing the heatsink and fan 1-10 1.7 System memory 1-11 1.7.1 Overview 1-11 1.7.2 Memory...
...Notices...vi Safety information vii About this guide viii M4A785-M specifications summary x 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 1-5 1.5 Motherboard overview 1-6 1.5.1 Placement direction 1-6 1.5.2 Screw holes 1-6 1.5.3 Motherboard layout 1-7 1.5.4 Layout contents 1-7 1.6 Central Processing Unit (CPU 1-8 1.6.1 Installing the CPU 1-8 1.6.2 Installing the heatsink and fan 1-10 1.7 System memory 1-11 1.7.1 Overview 1-11 1.7.2 Memory...
User Manual
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... CrossFireX™ mode. PCIe frequency tuning from 200MHz up to 550MHz at 1MHz increment Overclocking Protection: ASUS C.P.R. (CPU Parameter Recall) 1 x PS/2 Keyboard/Mouse Combo port 1 x Optical S/PDIF Out port 1 ...M4A785-M specifications summary Storage Audio USB LAN ASUS unique features ASUS overclocking features Back panel I /O - Optical S/PDIF out port at the back panel) Realtek® 8112L PCIe Gigabit LAN controller ASUS 4+1 Phase Power Design ASUS EPU-4 Engine ASUS Express Gate ASUS Turbo Key ASUS Anti-Surge ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS Q-Fan ASUS MyLogo 2 ASUS...
... CrossFireX™ mode. PCIe frequency tuning from 200MHz up to 550MHz at 1MHz increment Overclocking Protection: ASUS C.P.R. (CPU Parameter Recall) 1 x PS/2 Keyboard/Mouse Combo port 1 x Optical S/PDIF Out port 1 ...M4A785-M specifications summary Storage Audio USB LAN ASUS unique features ASUS overclocking features Back panel I /O - Optical S/PDIF out port at the back panel) Realtek® 8112L PCIe Gigabit LAN controller ASUS 4+1 Phase Power Design ASUS EPU-4 Engine ASUS Express Gate ASUS Turbo Key ASUS Anti-Surge ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS Q-Fan ASUS MyLogo 2 ASUS...
User Manual
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... connector 1 x S/PDIF Out connector 1 x CPU fan connector 1 x Chassis fan connector 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power connector 8Mb Flash ROM, AMI BIOS, PnP, DMI v2.0, WfM2.0, SM BIOS v2.5, ACPI v2.0a, 1 x Ultra DMA 133/100/66 cable 2 x Serial ATA cables 1 x I/O shield 1 x User Manual Drivers ASUS Update ASUS PC Probe II Anti-Virus...
... connector 1 x S/PDIF Out connector 1 x CPU fan connector 1 x Chassis fan connector 1 x 24-pin EATX power connector 1 x 4-pin ATX 12V power connector 8Mb Flash ROM, AMI BIOS, PnP, DMI v2.0, WfM2.0, SM BIOS v2.5, ACPI v2.0a, 1 x Ultra DMA 133/100/66 cable 2 x Serial ATA cables 1 x I/O shield 1 x User Manual Drivers ASUS Update ASUS PC Probe II Anti-Virus...
User Manual
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... the button. GPU NOS is not supported in real time. ASUS Q-Fan ASUS Q-Fan technology intelligently adjusts CPU fan speeds according to system loading to 100 meters at 1 meter accuracy. 1-4 Chapter 1: Product introduction ASUS AI NET 2 ASUS AI NET 2 remotely detects the cable connection immediately after you ... boot logos to personalize your system. ASUS Anti-Surge Protection This special design prevents expensive devices and the motherboard from damage caused by power surges from a USB flash disk before entering the OS. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is an auto-recovery...
... the button. GPU NOS is not supported in real time. ASUS Q-Fan ASUS Q-Fan technology intelligently adjusts CPU fan speeds according to system loading to 100 meters at 1 meter accuracy. 1-4 Chapter 1: Product introduction ASUS AI NET 2 ASUS AI NET 2 remotely detects the cable connection immediately after you ... boot logos to personalize your system. ASUS Anti-Surge Protection This special design prevents expensive devices and the motherboard from damage caused by power surges from a USB flash disk before entering the OS. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is an auto-recovery...
User Manual
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...ASUS M4A785-M 1-7 System panel connector (20-8 pin PANEL) 1-26 1-11 11. Digital audio connector (4-1 pin SPDIF_OUT) 1-28 1-24 14. LPT connector (26-1 pin LPT) 7. IDE connector (40-1 pin PRI_IDE) Page Connectors/Jumpers/Slots/LED 1-29 8. Onboard power LED (SB_PWR) 1-27 12. 1.5.3 Motherboard... layout 1.5.4 Layout contents Connectors/Jumpers/Slots/LED 1. Serial port connector (10-1 pin COM1) 6. SATA connectors (7-pin SATA1-6) 1-25 1-8 10. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 3. CPU ...
...ASUS M4A785-M 1-7 System panel connector (20-8 pin PANEL) 1-26 1-11 11. Digital audio connector (4-1 pin SPDIF_OUT) 1-28 1-24 14. LPT connector (26-1 pin LPT) 7. IDE connector (40-1 pin PRI_IDE) Page Connectors/Jumpers/Slots/LED 1-29 8. Onboard power LED (SB_PWR) 1-27 12. 1.5.3 Motherboard... layout 1.5.4 Layout contents Connectors/Jumpers/Slots/LED 1. Serial port connector (10-1 pin COM1) 6. SATA connectors (7-pin SATA1-6) 1-25 1-8 10. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 3. CPU ...
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Install a CPU heatsink and fan following the instructions that it is in place, push down the socket lever to indicate that comes with the heatsink package. Hardware monitoring errors can also refer to the CPU_FAN connector on the side tab to secure the CPU. DO NOT forget to plug this connector. You can occur if you fail to connect the CPU fan connector! 5. ASUS M4A785-M 1-9 The lever clicks on the motherboard. Connect the CPU fan cable to section 1.6.2 Installing heatsink and fan for instructions. 7. 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 indicate that comes with the heatsink package. Hardware monitoring errors can also refer to the CPU_FAN connector on the side tab to secure the CPU. DO NOT forget to plug this connector. You can occur if you fail to connect the CPU fan connector! 5. ASUS M4A785-M 1-9 The lever clicks on the motherboard. Connect the CPU fan cable to section 1.6.2 Installing heatsink and fan for instructions. 7. When the CPU is locked. 6.
User Manual
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... retention module base. 1 2 3 4 5 1-10 Chapter 1: Product introduction 1.6.2 Installing the heatsink and fan Ensure that a Thermal Interface Material is already installed on the motherboard upon purchase. • You do not match the CPU documentation, follow the latter. 2. To install the CPU heatsink and fan: 1. Place the heatsink on top of the retention bracket to remove the...
... retention module base. 1 2 3 4 5 1-10 Chapter 1: Product introduction 1.6.2 Installing the heatsink and fan Ensure that a Thermal Interface Material is already installed on the motherboard upon purchase. • You do not match the CPU documentation, follow the latter. 2. To install the CPU heatsink and fan: 1. Place the heatsink on top of the retention bracket to remove the...
User Manual
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... Channel A Channel B Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 ASUS M4A785-M 1-11 Ensure that the retention bracket is in place, connect the CPU fan cable to the connector on the retention mechanism to secure the heatsink and fan to plug this connector. 1.7 System memory 1.7.1 Overview The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline...
... Channel A Channel B Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 ASUS M4A785-M 1-11 Ensure that the retention bracket is in place, connect the CPU fan cable to the connector on the retention mechanism to secure the heatsink and fan to plug this connector. 1.7 System memory 1.7.1 Overview The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline...
User Manual
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.... 9. LPT is standardized as a printer. Connect the fan cables to the fan connectors. Only the 4-pin CPU fan supports the ASUS Q-Fan feature. 10. ASUS M4A785-M 1-29 These are not jumpers! DO NOT forget to connect the fan cables to the fan connectors on the fan connectors. DO NOT place jumper caps on the motherboard, ensuring that the black wire of each...
.... 9. LPT is standardized as a printer. Connect the fan cables to the fan connectors. Only the 4-pin CPU fan supports the ASUS Q-Fan feature. 10. ASUS M4A785-M 1-29 These are not jumpers! DO NOT forget to connect the fan cables to the fan connectors on the fan connectors. DO NOT place jumper caps on the motherboard, ensuring that the black wire of each...
User Manual
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...ASUS M4A785-M 2-17 VCORE Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage [xx.xxxV] or [Ignored] The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators. Smart Q-FAN Function [Disabled] Enables or disables the ASUS Q-Fan feature that smartly adjusts the CPU fan...and displays the motherboard and CPU temperatures. CPU/Chassis Fan Speed [xxxxRPM] or [Ignored] The onboard hardware monitor automatically detects and displays the CPU / Chassis fan speeds in rotations per minute (RPM). Sets this item to [Enabled] to the motherboard, the field ...
...ASUS M4A785-M 2-17 VCORE Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage [xx.xxxV] or [Ignored] The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators. Smart Q-FAN Function [Disabled] Enables or disables the ASUS Q-Fan feature that smartly adjusts the CPU fan...and displays the motherboard and CPU temperatures. CPU/Chassis Fan Speed [xxxxRPM] or [Ignored] The onboard hardware monitor automatically detects and displays the CPU / Chassis fan speeds in rotations per minute (RPM). Sets this item to [Enabled] to the motherboard, the field ...