User Guide
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Contents Notices...vi Safety information vii About this guide viii M3A78-EM specifications summary x Chapter 1: Product introduction 1.1 Welcome 1-2 1.2 Package contents 1-2 1.3 Special features 1-2 1.3.1 Product highlights 1-2 1.3.2 ASUS unique features 1-6 1.3.3 ASUS stylish features 1-8 1.3.4 ASUS intelligent overclocking features 1-8 1.4 Before you proceed 1-9 1.5 Motherboard overview 1-10 1.5.1 Motherboard layout 1-10 1.5.2 Placement direction 1-11 1.5.3 Screw holes 1-11 1.6 Central Processing Unit (CPU 1-12 1.6.1 Installing the CPU 1-12 1.6.2 Installing...
Contents Notices...vi Safety information vii About this guide viii M3A78-EM specifications summary x Chapter 1: Product introduction 1.1 Welcome 1-2 1.2 Package contents 1-2 1.3 Special features 1-2 1.3.1 Product highlights 1-2 1.3.2 ASUS unique features 1-6 1.3.3 ASUS stylish features 1-8 1.3.4 ASUS intelligent overclocking features 1-8 1.4 Before you proceed 1-9 1.5 Motherboard overview 1-10 1.5.1 Motherboard layout 1-10 1.5.2 Placement direction 1-11 1.5.3 Screw holes 1-11 1.6 Central Processing Unit (CPU 1-12 1.6.1 Installing the CPU 1-12 1.6.2 Installing...
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M3A78-EM specifications summary USB Storage / RAID Audio LAN ASUS overclocking features ASUS special features Back panel I/O ports BIOS Supports up to 12 USB 2.0/1.1 ports (6 ports at mid-board, 6 ports at back panel) ATI SB700 chipset ... panel Gigabit LAN SFS (Stepless Frequency Selection) from 200MHz to 300MHz at 1MHz increment Adjustable CPU Voltage at 0.05V increment ASUS C.P.R. (CPU Parameter Recall) Express Gate ASUS Q-Fan ASUS CrashFree BIOS3 ASUS EZ Flash2 ASUS MyLogo2 ASUS Noise Filter AI NAP 1 x PS/2 Keyboard/Mouse Combo port 1 x optical S/PDIF Out port 1 x HDMI port 1 x DVI port ...
M3A78-EM specifications summary USB Storage / RAID Audio LAN ASUS overclocking features ASUS special features Back panel I/O ports BIOS Supports up to 12 USB 2.0/1.1 ports (6 ports at mid-board, 6 ports at back panel) ATI SB700 chipset ... panel Gigabit LAN SFS (Stepless Frequency Selection) from 200MHz to 300MHz at 1MHz increment Adjustable CPU Voltage at 0.05V increment ASUS C.P.R. (CPU Parameter Recall) Express Gate ASUS Q-Fan ASUS CrashFree BIOS3 ASUS EZ Flash2 ASUS MyLogo2 ASUS Noise Filter AI NAP 1 x PS/2 Keyboard/Mouse Combo port 1 x optical S/PDIF Out port 1 x HDMI port 1 x DVI port ...
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... Technology that significantly optimizes your 3D performance. See page 2-23 for details. ASUS M3A78-EM 1- AMD Socket AM2 Athlon 64 X2 / . Athlon 64 FX / Athlon 64 / Sempron CPU support The motherboard supports AMD socket AM2 single-core Athlon 64/ Sempron and dual-core Athlon 64...chipset designed for details. Phenom / Athlon™ / Sempron™ CPU support This motherboard supports AMD® Socket AM2+ multi-core processors with unique L3 cache and delivers better overclocking capabilities with hardware acceleration of H.264, VC1 and Mpeg2 used in HD DVD and BluRay...
... Technology that significantly optimizes your 3D performance. See page 2-23 for details. ASUS M3A78-EM 1- AMD Socket AM2 Athlon 64 X2 / . Athlon 64 FX / Athlon 64 / Sempron CPU support The motherboard supports AMD socket AM2 single-core Athlon 64/ Sempron and dual-core Athlon 64...chipset designed for details. Phenom / Athlon™ / Sempron™ CPU support This motherboard supports AMD® Socket AM2+ multi-core processors with unique L3 cache and delivers better overclocking capabilities with hardware acceleration of H.264, VC1 and Mpeg2 used in HD DVD and BluRay...
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... stability for future BIOS and Express Gate software updates. Visit www.asus.com for the CPU under heavy loading or overclocking modes. 1- Chapter 1: Product introduction See page 2-33 for details. 4+1 Phase Power Design ASUS 4+1 Phase Power Design unleashes ultimate memory performances with friends, or ... The ASUS Q-Fan technology smartly adjusts the CPU fan speeds according to the system loading to [SATA] before leaving your pictures without entering Windows at anytime! • The actual boot time is the one-stop gateway to keep in OS. It's a unique motherboard built-...
... stability for future BIOS and Express Gate software updates. Visit www.asus.com for the CPU under heavy loading or overclocking modes. 1- Chapter 1: Product introduction See page 2-33 for details. 4+1 Phase Power Design ASUS 4+1 Phase Power Design unleashes ultimate memory performances with friends, or ... The ASUS Q-Fan technology smartly adjusts the CPU fan speeds according to the system loading to [SATA] before leaving your pictures without entering Windows at anytime! • The actual boot time is the one-stop gateway to keep in OS. It's a unique motherboard built-...
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... noises (non-voice signals) like Skype, online game, video conference and recording. ASUS Crystal Sound This feature can be stored in case the system hangs due to convert your screen. 1.3.4 ASUS intelligent overclocking features C.P.R. (CPU Parameter Recall) The C.P.R. feature of the motherboard BIOS allows automatic re-setting to the BIOS default settings in the...
... noises (non-voice signals) like Skype, online game, video conference and recording. ASUS Crystal Sound This feature can be stored in case the system hangs due to convert your screen. 1.3.4 ASUS intelligent overclocking features C.P.R. (CPU Parameter Recall) The C.P.R. feature of the motherboard BIOS allows automatic re-setting to the BIOS default settings in the...
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...® XP Professional x64 Edition Windows® Vista x64 Edition ASUS M3A78-EM 1-17 install identical DIMM pair in DIMM_A1 and DIMM_B1 (yellow sockets) and another identical DIMM pair in all four sockets OR - The motherboard can not use identical DDR2 DIMM pairs for better overclocking capability. • For dual-channel configuration (2), you may install...
...® XP Professional x64 Edition Windows® Vista x64 Edition ASUS M3A78-EM 1-17 install identical DIMM pair in DIMM_A1 and DIMM_B1 (yellow sockets) and another identical DIMM pair in all four sockets OR - The motherboard can not use identical DDR2 DIMM pairs for better overclocking capability. • For dual-channel configuration (2), you may install...
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Reinstall the battery. 5. ASUS M3A78-EM 1-25 Turn OFF the computer and unplug the power cord. 2. 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. R M3A78-EM M3A78-EM Clear RTC RAM CLRTC 12 23 Normal ...ON the computer. 6. Keep the cap on CLRTC jumper default position. Shut down the key during the boot process and enter BIOS setup to overclocking. Clear RTC RAM (CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS, which include system setup ...
Reinstall the battery. 5. ASUS M3A78-EM 1-25 Turn OFF the computer and unplug the power cord. 2. 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. R M3A78-EM M3A78-EM Clear RTC RAM CLRTC 12 23 Normal ...ON the computer. 6. Keep the cap on CLRTC jumper default position. Shut down the key during the boot process and enter BIOS setup to overclocking. Clear RTC RAM (CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS, which include system setup ...
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... becomes unstable, return to malfunction. ASUS M3A78-EM 2-21 Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit v02.61 (C)Copyright 1985-2008, American Megatrends, Inc. 2.4.1 JumperFree Configuration Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit Configure System Frequency/Voltage CPU Overclocking GPU Overclocking PCIE Overclocking [Auto] [Auto] [Auto] CPU...
... becomes unstable, return to malfunction. ASUS M3A78-EM 2-21 Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit v02.61 (C)Copyright 1985-2008, American Megatrends, Inc. 2.4.1 JumperFree Configuration Main Advanced Power BIOS SETUP UTILITY Boot Tools Exit Configure System Frequency/Voltage CPU Overclocking GPU Overclocking PCIE Overclocking [Auto] [Auto] [Auto] CPU...
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...Hyper Transport Speed [Auto] Allows you to to set the processor-NB voltage. Configuration options: [Auto] [Manual] PCIE Overclocking [Auto] Allows you to configure overclocking of GPU. Configuration options: [Auto] [Manual] Processor Frequency Multiplier [Auto] Allows you to set the DRAM timing ... Mode [Auto] Allows you to set the processor frequency multiplier. Configuration options: [Auto] [Manual] [Overclock Profile] [Test Mode] GPU Overclocking [Auto] Allows you to configure overclocking of PCIE. Configuration options: [Auto] [4 Bit] [8 Bit] [16 Bit] Memory Clock Mode [...
...Hyper Transport Speed [Auto] Allows you to to set the processor-NB voltage. Configuration options: [Auto] [Manual] PCIE Overclocking [Auto] Allows you to configure overclocking of GPU. Configuration options: [Auto] [Manual] Processor Frequency Multiplier [Auto] Allows you to set the DRAM timing ... Mode [Auto] Allows you to set the processor frequency multiplier. Configuration options: [Auto] [Manual] [Overclock Profile] [Test Mode] GPU Overclocking [Auto] Allows you to configure overclocking of PCIE. Configuration options: [Auto] [4 Bit] [8 Bit] [16 Bit] Memory Clock Mode [...