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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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...This device complies with Part 15 of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://green.asus.com/english/REACH.htm. If this equipment. Changes or modifications to this unit not expressly approved by one or...receiver is subject to enable proper reuse of Communications. This class B digital apparatus complies with Canadian ICES-003. DO NOT throw the motherboard in municipal waste. This equipment generates, uses and can be placed in municipal waste. However, there is required to radio communications. The...
...This device complies with Part 15 of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://green.asus.com/english/REACH.htm. If this equipment. Changes or modifications to this unit not expressly approved by one or...receiver is subject to enable proper reuse of Communications. This class B digital apparatus complies with Canadian ICES-003. DO NOT throw the motherboard in municipal waste. This equipment generates, uses and can be placed in municipal waste. However, there is required to radio communications. The...
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... circuitry. • Avoid dust, humidity, and temperature extremes. Contact a qualified service technician or your area. Operation safety • Before installing the motherboard and adding devices on it may become wet. • Place the product on a stable surface. • If you detect any area where it...in any damage, contact your dealer immediately. • To avoid short circuits, keep paper clips, screws, and staples away from the motherboard, ensure that came with the product, contact a qualified service technician or your local power company. • If the power supply is...
... circuitry. • Avoid dust, humidity, and temperature extremes. Contact a qualified service technician or your area. Operation safety • Before installing the motherboard and adding devices on it may become wet. • Place the product on a stable surface. • If you detect any area where it...in any damage, contact your dealer immediately. • To avoid short circuits, keep paper clips, screws, and staples away from the motherboard, ensure that came with the product, contact a qualified service technician or your local power company. • If the power supply is...
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... DDR2 1066 memory support and accelerates data transfer rate up to 5200MT/s via HyperTransport™ 3.0based system bus. Before you for the following items. Motherboard Cables 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! Chapter 1 Product introduction 1.1 Welcome!
... DDR2 1066 memory support and accelerates data transfer rate up to 5200MT/s via HyperTransport™ 3.0based system bus. Before you for the following items. Motherboard Cables 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! Chapter 1 Product introduction 1.1 Welcome!
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... is supported by default for system stability. • We recommend that you install the DDR2 1200 memory modules on the ASUS official Memory Qualified Vendors Lists (QVL). AMD Cool 'n' Quiet Technology This motherboard supports the AMD Cool 'n' Quiet technology which support Hybrid CrossFireX™. 1-2 Chapter 1: Product introduction It also supports AMD®...
... is supported by default for system stability. • We recommend that you install the DDR2 1200 memory modules on the ASUS official Memory Qualified Vendors Lists (QVL). AMD Cool 'n' Quiet Technology This motherboard supports the AMD Cool 'n' Quiet technology which support Hybrid CrossFireX™. 1-2 Chapter 1: Product introduction It also supports AMD®...
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... support 64-bit computing, the next generation technology that gives you quick access to the Internet. ASUS MyLogo2™ Turn your system. Innovative ASUS features ASUS Express Gate ASUS Express Gate is an auto-recovery tool that allows you can instantly surf the Internet without entering ...out, and Mic jacks. ASUS M4A78-EM 1-3 Gigabit LAN solution The onboard LAN controller is enhanced with an ACPI management function to provide efficient power management for advanced operating systems. Serial ATA 3Gb/s technology and SATA-On-The-Go This motherboard supports hard drives based on...
... support 64-bit computing, the next generation technology that gives you quick access to the Internet. ASUS MyLogo2™ Turn your system. Innovative ASUS features ASUS Express Gate ASUS Express Gate is an auto-recovery tool that allows you can instantly surf the Internet without entering ...out, and Mic jacks. ASUS M4A78-EM 1-3 Gigabit LAN solution The onboard LAN controller is enhanced with an ACPI management function to provide efficient power management for advanced operating systems. Serial ATA 3Gb/s technology and SATA-On-The-Go This motherboard supports hard drives based on...
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.... eliminates the need to their default settings. 1-4 Chapter 1: Product introduction C.P.R. Green ASUS This motherboard and its packaging comply with the ASUS vision of Hazardous Substances (RoHS). ASUS AI NET2 ASUS AI NET2 remotely detects the cable connection immediately after you turn on the environment. ASUS EPU ASUS EPU is in real time. C.P.R. (CPU Parameter Recall) The BIOS...
.... eliminates the need to their default settings. 1-4 Chapter 1: Product introduction C.P.R. Green ASUS This motherboard and its packaging comply with the ASUS vision of Hazardous Substances (RoHS). ASUS AI NET2 ASUS AI NET2 remotely detects the cable connection immediately after you turn on the environment. ASUS EPU ASUS EPU is in real time. C.P.R. (CPU Parameter Recall) The BIOS...
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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. ASUS M4A78-EM 1-5 Failure to do so may cause severe damage to avoid touching the ICs on them due to... the power supply case, to avoid damaging them . • Whenever you uninstall any component, place it on a grounded antistatic pad or in soft-off the ATX power supply and detach its power cord.
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. ASUS M4A78-EM 1-5 Failure to do so may cause severe damage to avoid touching the ICs on them due to... the power supply case, to avoid damaging them . • Whenever you uninstall any component, place it on a grounded antistatic pad or in soft-off the ATX power supply and detach its power cord.
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Place this side towards the rear of the chassis as indicated in the correct orientation. Doing so can damage the motherboard. DO NOT overtighten the screws! 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 chassis in the image below. 1.5.2 Screw holes Place eight screws into the holes indicated by circles to secure the motherboard to the rear part of the chassis. 1-6 Chapter 1: Product introduction
Place this side towards the rear of the chassis as indicated in the correct orientation. Doing so can damage the motherboard. DO NOT overtighten the screws! 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 chassis in the image below. 1.5.2 Screw holes Place eight screws into the holes indicated by circles to secure the motherboard to the rear part of the chassis. 1-6 Chapter 1: Product introduction
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.... ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 3. LPT connector (26-1 pin LPT) 6. SATA connectors (7-pin SATA1, SATA2, SATA3, SATA5, SATA6) 1-11 12. 1.5.3 Motherboard layout 1.5.4 Layout contents Connectors/Jumpers/Slots/LED 1. Clear RTC RAM (3-pin CLRTC) 1-22 10. 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...
.... ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 3. LPT connector (26-1 pin LPT) 6. SATA connectors (7-pin SATA1, SATA2, SATA3, SATA5, SATA6) 1-11 12. 1.5.3 Motherboard layout 1.5.4 Layout contents Connectors/Jumpers/Slots/LED 1. Clear RTC RAM (3-pin CLRTC) 1-22 10. 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...
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...; x4 / Athlon™ x3 / Athlon™ x2 processors. Ensure that is lifted up to a 90°-100° angle; Locate the CPU socket on the motherboard. 2. Small triangle Gold triangle 1-8 Chapter 1: Product introduction The AM2+ / AM2 socket has a different pinout from the 940-pin socket designed for the AM2+ / AM2 socket... lever is designed for the AMD Opteron™ processor. otherwise, the CPU will not fit in one correct orientation. Right 1.6 Central Processing Unit (CPU) This motherboard comes with a small triangle. 4.
...; x4 / Athlon™ x3 / Athlon™ x2 processors. Ensure that is lifted up to a 90°-100° angle; Locate the CPU socket on the motherboard. 2. Small triangle Gold triangle 1-8 Chapter 1: Product introduction The AM2+ / AM2 socket has a different pinout from the 940-pin socket designed for the AM2+ / AM2 socket... lever is designed for the AMD Opteron™ processor. otherwise, the CPU will not fit in one correct orientation. Right 1.6 Central Processing Unit (CPU) This motherboard comes with a small triangle. 4.
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5. You can occur if you fail to indicate that comes with the heatsink package. 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! Connect the CPU fan cable to section 1.6.2 Installing heatsink and fan for instructions. 7. ASUS M4A78-EM 1-9 Hardware monitoring errors can also refer to the CPU_FAN connector on the side tab to plug this connector. The lever clicks on the motherboard. When the CPU is locked. 6. DO NOT forget to secure the CPU.
5. You can occur if you fail to indicate that comes with the heatsink package. 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! Connect the CPU fan cable to section 1.6.2 Installing heatsink and fan for instructions. 7. ASUS M4A78-EM 1-9 Hardware monitoring errors can also refer to the CPU_FAN connector on the side tab to plug this connector. The lever clicks on the motherboard. When the CPU is locked. 6. DO NOT forget to secure the CPU.
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...Product introduction 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.... Place the heatsink on the motherboard upon purchase. • You do not match the CPU documentation, follow the latter. 2. CPU Fan CPU Heatsink Retention bracket Retention Module...
...Product introduction 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.... Place the heatsink on the motherboard upon purchase. • You do not match the CPU documentation, follow the latter. 2. CPU Fan CPU Heatsink Retention bracket Retention Module...
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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 ASUS M4A78-EM 1-11 When the fan and heatsink assembly is in place. A DDR2 module has the same physical dimensions as a DDR DIMM but has ...are notched differently to prevent installation 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 Memory Modules (DIMM) sockets. A clicking sound denotes that the fan and heatsink assembly...
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 ASUS M4A78-EM 1-11 When the fan and heatsink assembly is in place. A DDR2 module has the same physical dimensions as a DDR DIMM but has ...are notched differently to prevent installation 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 Memory Modules (DIMM) sockets. A clicking sound denotes that the fan and heatsink assembly...
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... you obtain memory modules from the higher-sized channel is then mapped for the OS can be about 3GB or less. M4A78-EM Motherboard Qualified Vendors Lists (QVL) DDR2-1200(O.C.)MHz capability Size Vendor Part No. DS 5-5-5-15 Heat-Sink Package DS 5-5-5-15... ··· N/A · · Micron · N/A · N/A ··· N/A ··· N/A · (continued on the motherboard, the actual usable memory for single-channel operation. • Always install DIMMs with the same CAS latency. For optimum compatibility, we recommend that you install...
... you obtain memory modules from the higher-sized channel is then mapped for the OS can be about 3GB or less. M4A78-EM Motherboard Qualified Vendors Lists (QVL) DDR2-1200(O.C.)MHz capability Size Vendor Part No. DS 5-5-5-15 Heat-Sink Package DS 5-5-5-15... ··· N/A · · Micron · N/A · N/A ··· N/A ··· N/A · (continued on the motherboard, the actual usable memory for single-channel operation. • Always install DIMMs with the same CAS latency. For optimum compatibility, we recommend that you install...
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... a DIMM on the socket such that it flips out with your fingers when pressing the retaining 1 clips. Press the retaining clips outward to both the motherboard and the components. 1. Firmly insert the DIMM into a socket to unlock the DIMM. 2 Support the DIMM lightly with extra force. 1 DDR2 DIMM notch...
... a DIMM on the socket such that it flips out with your fingers when pressing the retaining 1 clips. Press the retaining clips outward to both the motherboard and the components. 1. Firmly insert the DIMM into a socket to unlock the DIMM. 2 Support the DIMM lightly with extra force. 1 DDR2 DIMM notch...
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...following sub‑sections describe the slots and the expansion cards that you removed earlier. 6. Remove the system unit cover (if your motherboard is completely seated on shared slots, ensure that the drivers support "Share IRQ" or that complies with it by adjusting the software ...necessary BIOS settings, if any. Unplug the power cord before adding or removing expansion cards. Keep the screw for the card. 2. ASUS M4A78-EM 1-17 Align the card connector with the screw you intend to install expansion cards. Replace the system cover. 1.8.2 Configuring an expansion...
...following sub‑sections describe the slots and the expansion cards that you removed earlier. 6. Remove the system unit cover (if your motherboard is completely seated on shared slots, ensure that the drivers support "Share IRQ" or that complies with it by adjusting the software ...necessary BIOS settings, if any. Unplug the power cord before adding or removing expansion cards. Keep the screw for the card. 2. ASUS M4A78-EM 1-17 Align the card connector with the screw you intend to install expansion cards. Replace the system cover. 1.8.2 Configuring an expansion...
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... DVI-D compatible device and is HDCP compliant allowing playback of sound playback 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 configure the...
... DVI-D compatible device and is HDCP compliant allowing playback of sound playback 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 configure the...