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Contents Notices...vi Safety information vii About this guide vii M4A78-EM 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 1-5 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...
Contents Notices...vi Safety information vii About this guide vii M4A78-EM 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 1-5 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...
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...be determined by turning the equipment off and on a circuit different from digital apparatus set out in our products at ASUS REACH website at http://green.asus.com/english/REACH.htm. This symbol of the FCC Rules. This equipment generates, uses and can be placed in ... should not be placed in a particular installation. DO NOT throw the mercury-containing button cell battery in municipal waste. DO NOT throw the motherboard in municipal waste. This equipment has been tested and found to comply with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals)...
...be determined by turning the equipment off and on a circuit different from digital apparatus set out in our products at ASUS REACH website at http://green.asus.com/english/REACH.htm. This symbol of the FCC Rules. This equipment generates, uses and can be placed in ... should not be placed in a particular installation. DO NOT throw the mercury-containing button cell battery in municipal waste. DO NOT throw the motherboard in municipal waste. This equipment has been tested and found to comply with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals)...
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...8226; If the power supply is set to the correct voltage in any damage, contact your retailer. Operation safety • Before installing the motherboard and adding devices on it may become wet. • Place the product on a stable surface. • If you encounter technical problems ...cables are unplugged. • Seek professional assistance before you add a device. • Before connecting or removing signal cables from the motherboard, ensure that all cables are correctly connected and the power cables are also provided. How this guide This user guide contains the information...
...8226; If the power supply is set to the correct voltage in any damage, contact your retailer. Operation safety • Before installing the motherboard and adding devices on it may become wet. • Place the product on a stable surface. • If you encounter technical problems ...cables are unplugged. • Seek professional assistance before you add a device. • Before connecting or removing signal cables from the motherboard, ensure that all cables are correctly connected and the power cables are also provided. How this guide This user guide contains the information...
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... Accessories Application DVD Documentations ASUS M4A78-EM motherboard 1 x Serial ATA cable 1 x UltraDMA 133/100/66 cable 1 x I/O shield ASUS motherboard Support DVD User Manual If any of ASUS quality motherboards! This motherboard also supports AMD® CPUs in the long line of the above items is damaged or missing, contact your motherboard package for buying an ASUS® M4A78-EM motherboard! The motherboard delivers a host of...
... Accessories Application DVD Documentations ASUS M4A78-EM motherboard 1 x Serial ATA cable 1 x UltraDMA 133/100/66 cable 1 x I/O shield ASUS motherboard Support DVD User Manual If any of ASUS quality motherboards! This motherboard also supports AMD® CPUs in the long line of the above items is damaged or missing, contact your motherboard package for buying an ASUS® M4A78-EM motherboard! The motherboard delivers a host of...
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...radically improves system efficiency for both HT1.0 and HT 3.0 interface speed. DDR2 1200(O.C.) support To attain top performance, ASUS engineers have successfully unleashed DDR2 1200(O.C.) MHz to meet the higher bandwidth requirements of the latest operating system, 3D ...slots for a cool and quiet operating environment. It also supports AMD® Cool 'n' Quiet Technology. AMD Cool 'n' Quiet Technology This motherboard supports the AMD Cool 'n' Quiet technology which support Hybrid CrossFireX™. 1-2 Chapter 1: Product introduction HyperTransport™ 3.0 support 5200 MT...
...radically improves system efficiency for both HT1.0 and HT 3.0 interface speed. DDR2 1200(O.C.) support To attain top performance, ASUS engineers have successfully unleashed DDR2 1200(O.C.) MHz to meet the higher bandwidth requirements of the latest operating system, 3D ...slots for a cool and quiet operating environment. It also supports AMD® Cool 'n' Quiet Technology. AMD Cool 'n' Quiet Technology This motherboard supports the AMD Cool 'n' Quiet technology which support Hybrid CrossFireX™. 1-2 Chapter 1: Product introduction HyperTransport™ 3.0 support 5200 MT...
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... for advanced operating systems. Serial ATA 3Gb/s technology and SATA-On-The-Go This motherboard supports hard drives based on environment that contains the BIOS file. ASUS M4A78-EM 1-3 ASUS MyLogo2™ Turn your favorite photos into 256-color boot logos to external devices. ...SATA port provides smart setup and hot-plug functions for high-speed data retrieval and save. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is a highly integrated Gb LAN controller. This motherboard provides excellent compatibility and flexibility by supporting both 64-bit and 32-bit architecture.
... for advanced operating systems. Serial ATA 3Gb/s technology and SATA-On-The-Go This motherboard supports hard drives based on environment that contains the BIOS file. ASUS M4A78-EM 1-3 ASUS MyLogo2™ Turn your favorite photos into 256-color boot logos to external devices. ...SATA port provides smart setup and hot-plug functions for high-speed data retrieval and save. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is a highly integrated Gb LAN controller. This motherboard provides excellent compatibility and flexibility by supporting both 64-bit and 32-bit architecture.
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... is in real time. Green ASUS This motherboard and its packaging comply with the ASUS vision of creating environment-friendly and recyclable products/packaging to safeguard consumers' health while minimizing the impact on the use of Hazardous Substances (RoHS). ... in line with the European Union's Restriction on the environment. To wake the system and return to ensure a quiet, cool, and efficient operation. ASUS EZ Flash 2 ASUS EZ Flash 2 allows you are reported back up to 100 meters at minimum power and noise when you to overclocking failure. C.P.R. (CPU Parameter Recall...
... is in real time. Green ASUS This motherboard and its packaging comply with the ASUS vision of creating environment-friendly and recyclable products/packaging to safeguard consumers' health while minimizing the impact on the use of Hazardous Substances (RoHS). ... in line with the European Union's Restriction on the environment. To wake the system and return to ensure a quiet, cool, and efficient operation. ASUS EZ Flash 2 ASUS EZ Flash 2 allows you are reported back up to 100 meters at minimum power and noise when you to overclocking failure. C.P.R. (CPU Parameter Recall...
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... ASUS M4A78-EM 1-5 1.4 Before you proceed Take note of the onboard LED. The illustration below shows the location of the following precautions before you install motherboard components or change any motherboard settings.... • Unplug the power cord from the wall socket before removing or plugging in any motherboard component. Onboard LED The motherboard ...damaging them due to static electricity. • Hold components by the edges to the motherboard, peripherals, or components. This is ON, in sleep mode, or in the bag...
... ASUS M4A78-EM 1-5 1.4 Before you proceed Take note of the onboard LED. The illustration below shows the location of the following precautions before you install motherboard components or change any motherboard settings.... • Unplug the power cord from the wall socket before removing or plugging in any motherboard component. Onboard LED The motherboard ...damaging them due to static electricity. • Hold components by the edges to the motherboard, peripherals, or components. This is ON, in sleep mode, or in the bag...
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Place this side towards the rear of the chassis as indicated in the image below. 1.5.2 Screw holes Place eight screws into the chassis in the correct orientation. The edge with external ports goes to the chassis. 1.5 Motherboard overview 1.5.1 Placement direction When installing the motherboard, ensure that you place it into the holes indicated by circles to secure the motherboard to the rear part of the chassis. 1-6 Chapter 1: Product introduction DO NOT overtighten the screws! Doing so can damage the motherboard.
Place this side towards the rear of the chassis as indicated in the image below. 1.5.2 Screw holes Place eight screws into the chassis in the correct orientation. The edge with external ports goes to the chassis. 1.5 Motherboard overview 1.5.1 Placement direction When installing the motherboard, ensure that you place it into the holes indicated by circles to secure the motherboard to the rear part of the chassis. 1-6 Chapter 1: Product introduction DO NOT overtighten the screws! Doing so can damage the motherboard.
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... CPU_FAN, 3-pin PWR_FAN, and 3-pin CHA_FAN) 2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 3. Onboard LED (SB_PWR) 1-8 11. Optical drive audio connector (4-pin CD) 1-25 Page 1-18 1-5 1-24 1-26 1-27 1-27 1-26 ASUS M4A78-EM 1-7 SATA connectors (7-pin SATA1, SATA2, SATA3, SATA5... SPDIF_OUT) 1-24 14. CPU Socket AM2+ 4. LPT connector (26-1 pin LPT) 6. Serial port connector (10-1 pin COM1) 7. 1.5.3 Motherboard layout 1.5.4 Layout contents Connectors/Jumpers/Slots/LED 1. DDR2 DIMM slots 5. System panel connector (20-8 pin PANEL) Page Connectors/Jumpers/Slots/LED 1-...
... CPU_FAN, 3-pin PWR_FAN, and 3-pin CHA_FAN) 2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 3. Onboard LED (SB_PWR) 1-8 11. Optical drive audio connector (4-pin CD) 1-25 Page 1-18 1-5 1-24 1-26 1-27 1-27 1-26 ASUS M4A78-EM 1-7 SATA connectors (7-pin SATA1, SATA2, SATA3, SATA5... SPDIF_OUT) 1-24 14. CPU Socket AM2+ 4. LPT connector (26-1 pin LPT) 6. Serial port connector (10-1 pin COM1) 7. 1.5.3 Motherboard layout 1.5.4 Layout contents Connectors/Jumpers/Slots/LED 1. DDR2 DIMM slots 5. System panel connector (20-8 pin PANEL) Page Connectors/Jumpers/Slots/LED 1-...
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... Socket lever socket, then lift it fits in place. otherwise, the CPU will not fit in one correct orientation. Locate the CPU socket on the motherboard. 2. The AM2+ / AM2 socket has a different pinout from the 940-pin socket designed for the AM2+ / AM2 socket. 1.6.1 Installing the CPU To install a CPU: 1. Use...
... Socket lever socket, then lift it fits in place. otherwise, the CPU will not fit in one correct orientation. Locate the CPU socket on the motherboard. 2. The AM2+ / AM2 socket has a different pinout from the 940-pin socket designed for the AM2+ / AM2 socket. 1.6.1 Installing the CPU To install a CPU: 1. Use...
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5. When the CPU is locked. 6. You can occur if you fail to plug this connector. DO NOT forget to secure the CPU. Connect the CPU fan cable to the CPU_FAN connector on the side tab to section 1.6.2 Installing heatsink and fan for instructions. 7. Hardware monitoring errors can also refer to indicate that comes with the heatsink package. The lever clicks on the motherboard. Install a CPU heatsink and fan following the instructions that it is in place, push down the socket lever to connect the CPU fan connector! ASUS M4A78-EM 1-9
5. When the CPU is locked. 6. You can occur if you fail to plug this connector. DO NOT forget to secure the CPU. Connect the CPU fan cable to the CPU_FAN connector on the side tab to section 1.6.2 Installing heatsink and fan for instructions. 7. Hardware monitoring errors can also refer to indicate that comes with the heatsink package. The lever clicks on the motherboard. Install a CPU heatsink and fan following the instructions that it is in place, push down the socket lever to connect the CPU fan connector! ASUS M4A78-EM 1-9
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... the retention mechanism. If the instructions 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 heatsink and fan assembly. To install the CPU ... you use only AMD-certified heatsink and fan assembly. 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.
... the retention mechanism. If the instructions 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 heatsink and fan assembly. To install the CPU ... you use only AMD-certified heatsink and fan assembly. 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.
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...DIMMs are notched differently to prevent installation on the retention mechanism to secure the heatsink and fan to the connector on the motherboard labeled CPU_FAN. When the fan and heatsink assembly is in place. Hardware monitoring errors can occur if you cannot snap the ... A Channel B Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 ASUS M4A78-EM 1-11 DO NOT forget to the 184-pin DDR DIMM. 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 ...
...DIMMs are notched differently to prevent installation on the retention mechanism to secure the heatsink and fan to the connector on the motherboard labeled CPU_FAN. When the fan and heatsink assembly is in place. Hardware monitoring errors can occur if you cannot snap the ... A Channel B Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 ASUS M4A78-EM 1-11 DO NOT forget to the 184-pin DDR DIMM. 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 ...
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...) A* B* C* · · · · · We recommend that you install the DDR2 1200 memory modules on each slot. M4A78-EM Motherboard Qualified Vendors Lists (QVL) DDR2-1200(O.C.)MHz capability Size Vendor Part No. SS/DS CL Chip NO. 2048MB(Kit of 2) Kingston KHX96002K2/2G DS 2048MB...bit Windows® OS, when you install 4GB or more memory on the motherboard. • This motherboard does not support DIMMs made up to install 4GB or more memory on the motherboard, the actual usable memory for better performance. The system maps the total size ...
...) A* B* C* · · · · · We recommend that you install the DDR2 1200 memory modules on each slot. M4A78-EM Motherboard Qualified Vendors Lists (QVL) DDR2-1200(O.C.)MHz capability Size Vendor Part No. SS/DS CL Chip NO. 2048MB(Kit of 2) Kingston KHX96002K2/2G DS 2048MB...bit Windows® OS, when you install 4GB or more memory on the motherboard. • This motherboard does not support DIMMs made up to install 4GB or more memory on the motherboard, the actual usable memory for better performance. The system maps the total size ...
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... A DDR2 DIMM is properly seated. Simultaneously press the retaining clips outward to unlock a DDR2 DIMM socket. 2. Firmly insert the DIMM into a socket to both the motherboard and the components. 1. Remove the DIMM from the socket. 1-16 Chapter 1: Product introduction Locked Retaining Clip 1.7.4 Removing a DIMM To remove a DIMM: 1. Press the retaining clips...
... A DDR2 DIMM is properly seated. Simultaneously press the retaining clips outward to unlock a DDR2 DIMM socket. 2. Firmly insert the DIMM into a socket to both the motherboard and the components. 1. Remove the DIMM from the socket. 1-16 Chapter 1: Product introduction Locked Retaining Clip 1.7.4 Removing a DIMM To remove a DIMM: 1. Press the retaining clips...
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... ensure that the drivers support "Share IRQ" or that the cards do so may need IRQ assignments. See Chapter 2 for later use . ASUS M4A78-EM 1-17 Install the software drivers for the card. 2. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the...complies with the slot and press firmly until the card is already installed in a chassis). 3. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. Replace the system cover. 1.8.2 Configuring an expansion card ...
... ensure that the drivers support "Share IRQ" or that the cards do so may need IRQ assignments. See Chapter 2 for later use . ASUS M4A78-EM 1-17 Install the software drivers for the card. 2. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the...complies with the slot and press firmly until the card is already installed in a chassis). 3. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. Replace the system cover. 1.8.2 Configuring an expansion card ...
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... the following dual display outputs are for any DVI-D compatible device and is Realtek High Definition Audio (the name may be different based on your motherboard: Dual display outputs DVI + D-Sub DVI + HDMI HDMI + D-Sub Supported • • Not supported • • During POST, only the monitor connected to an external...
... the following dual display outputs are for any DVI-D compatible device and is Realtek High Definition Audio (the name may be different based on your motherboard: Dual display outputs DVI + D-Sub DVI + HDMI HDMI + D-Sub Supported • • Not supported • • During POST, only the monitor connected to an external...