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Contents Notices...vi Safety information vii About this guide viii M5A78L-M LX 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 1-3 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...
Contents Notices...vi Safety information vii About this guide viii M5A78L-M LX 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 1-3 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...
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... the power cable from the electric outlet before the signal cables are using an adapter or extension cord. DO NOT throw the motherboard in municipal waste. These devices could interrupt the grounding circuit. • Ensure that your power supply is broken, do not try...add a device. • Before connecting or removing signal cables from the motherboard, ensure that the product (electrical and electronic equipment) should not be placed in our products at ASUS REACH website at http://csr.asus.com/english/REACH.htm. Contact a qualified service technician or your area. If...
... the power cable from the electric outlet before the signal cables are using an adapter or extension cord. DO NOT throw the motherboard in municipal waste. These devices could interrupt the grounding circuit. • Ensure that your power supply is broken, do not try...add a device. • Before connecting or removing signal cables from the motherboard, ensure that the product (electrical and electronic equipment) should not be placed in our products at ASUS REACH website at http://csr.asus.com/english/REACH.htm. Contact a qualified service technician or your area. If...
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... documentation Your product package may have been added by your dealer. Where to help you need when installing and configuring the motherboard. Keys enclosed in this guide To ensure that may include optional documentation, such as warranty flyers, that you perform certain ... ++ Indicates a menu or an item to complete a task. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Detailed descriptions of the BIOS parameters are not part of the motherboard and the new technology it supports. • Chapter 2: BIOS ...
... documentation Your product package may have been added by your dealer. Where to help you need when installing and configuring the motherboard. Keys enclosed in this guide To ensure that may include optional documentation, such as warranty flyers, that you perform certain ... ++ Indicates a menu or an item to complete a task. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Detailed descriptions of the BIOS parameters are not part of the motherboard and the new technology it supports. • Chapter 2: BIOS ...
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M5A78L-M LX Series specifications summary CPU Chipset Front side bus Memory Graphics ... 1333 / 1066MHz memory modules * AMD® FX™ Series CPU on this motherboard can support up to support 8-channel audio output. With ASUS design, this motherboard supports up to DDR3 1866MHz as its standard memory frequency. ** Due to CPU specification...DDR3 1333MHz. *** When overclocking, some AMD CPU models may not support DDR3 1600 MHz or higher frequency DIMMs. ****Refer to www.asus.com for the discrete GPUs that support Hybrid CrossFireX™. 1 x PCIe 2.0 x16 slot 2 x PCIe 2.0 x1 slots 1 x...
M5A78L-M LX Series specifications summary CPU Chipset Front side bus Memory Graphics ... 1333 / 1066MHz memory modules * AMD® FX™ Series CPU on this motherboard can support up to support 8-channel audio output. With ASUS design, this motherboard supports up to DDR3 1866MHz as its standard memory frequency. ** Due to CPU specification...DDR3 1333MHz. *** When overclocking, some AMD CPU models may not support DDR3 1600 MHz or higher frequency DIMMs. ****Refer to www.asus.com for the discrete GPUs that support Hybrid CrossFireX™. 1 x PCIe 2.0 x16 slot 2 x PCIe 2.0 x1 slots 1 x...
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... long line of the items is damaged or missing, contact your motherboard package for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS M5A78L-M LX Series motherboard 2 x Serial ATA 3.0Gb/s cables 1 x I/O shield ASUS motherboard Support DVD User Manual • M5A78L-M LX Series motherboards include M5A78L-M LX PLUS and M5A78L-M LX V2 two models. The motherboard delivers a host of new features and latest technologies, making it , check...
... long line of the items is damaged or missing, contact your motherboard package for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS M5A78L-M LX Series motherboard 2 x Serial ATA 3.0Gb/s cables 1 x I/O shield ASUS motherboard Support DVD User Manual • M5A78L-M LX Series motherboards include M5A78L-M LX PLUS and M5A78L-M LX V2 two models. The motherboard delivers a host of new features and latest technologies, making it , check...
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... faster computing environment. It also supports RAID 0, RAID 1, and RAID 0+1 configurations for Serial ATA hard drives. 100% All High-quality Conductive Polymer Capacitors (M5A78L-M LX PLUS only) This motherboard uses all high-quality conductive polymer capacitors for the discrete GPUs that features data transfer rates of 1866 (O.C.)/1600 (O.C.)/1333/1066 MHz to provide...
... faster computing environment. It also supports RAID 0, RAID 1, and RAID 0+1 configurations for Serial ATA hard drives. 100% All High-quality Conductive Polymer Capacitors (M5A78L-M LX PLUS only) This motherboard uses all high-quality conductive polymer capacitors for the discrete GPUs that features data transfer rates of 1866 (O.C.)/1600 (O.C.)/1333/1066 MHz to provide...
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... CPU default settings when the system hangs due to their default settings. ASUS M5A78L-M LX Series 1-3 After the easy setup, Turbo Key boosts performances without performing complicated BIOS changes. ASUS Q-Fan ASUS Q-Fan technology intelligently adjusts the CPU fan speed according to system loading to... in real time. eliminates the need to ensure a quiet, cool, and efficient operation. ASUS Anti-Surge Protection This special design prevents expensive devices and the motherboard from damage caused by simply unlocking the extra cores, without interrupting ongoing work or games,...
... CPU default settings when the system hangs due to their default settings. ASUS M5A78L-M LX Series 1-3 After the easy setup, Turbo Key boosts performances without performing complicated BIOS changes. ASUS Q-Fan ASUS Q-Fan technology intelligently adjusts the CPU fan speed according to system loading to... in real time. eliminates the need to ensure a quiet, cool, and efficient operation. ASUS Anti-Surge Protection This special design prevents expensive devices and the motherboard from damage caused by simply unlocking the extra cores, without interrupting ongoing work or games,...
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ErP ready The motherboard is in regards to reduce carbon footprint of creating environment-friendly and energy-efficient products through product design and innovation to energy consumptions. This is European Union´s Energy-related Products (ErP) ready, and ErP requires products to meet certain energy efficiency requirements in line with ASUS vision of the product and thus mitigate environmental impacts. 1-4 Chapter 1: Product introduction
ErP ready The motherboard is in regards to reduce carbon footprint of creating environment-friendly and energy-efficient products through product design and innovation to energy consumptions. This is European Union´s Energy-related Products (ErP) ready, and ErP requires products to meet certain energy efficiency requirements in line with ASUS vision of the product and thus mitigate environmental impacts. 1-4 Chapter 1: Product introduction
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Onboard LED The motherboard comes with the component. • Before you install or remove any component, switch off mode. SB_PWR M5A78L-M LX PLUS ON OFF Standby Power Powered Off M5A78L-M LX PLUS Onboard LED ASUS M5A78L-M LX Series 1-5 1.4 Before you proceed Take note of the onboard LED. This is... touching the ICs on them. • Whenever you uninstall any motherboard component. 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 ...
Onboard LED The motherboard comes with the component. • Before you install or remove any component, switch off mode. SB_PWR M5A78L-M LX PLUS ON OFF Standby Power Powered Off M5A78L-M LX PLUS Onboard LED ASUS M5A78L-M LX Series 1-5 1.4 Before you proceed Take note of the onboard LED. This is... touching the ICs on them. • Whenever you uninstall any motherboard component. 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 ...
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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. Place this side towards the rear of the chassis as indicated in the image below. 1.5.2 Screw holes Place six screws into the chassis in the correct orientation. The edge with external ports goes to the chassis. Doing so can damage the motherboard. M5A78L-M LX PLUS 1-6 Chapter 1: Product introduction DO NOT overtighten the screws!
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. Place this side towards the rear of the chassis as indicated in the image below. 1.5.2 Screw holes Place six screws into the chassis in the correct orientation. The edge with external ports goes to the chassis. Doing so can damage the motherboard. M5A78L-M LX PLUS 1-6 Chapter 1: Product introduction DO NOT overtighten the screws!
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... and 3-pin CHA_FAN) 1-26 11. Onboard LED (SB_PWR) 1-5 6. Clear RTC RAM (CLRTC) 1-18 ASUS M5A78L-M LX Series 1-7 ATX power connectors (24-pin EATXPWR, 4-pin 1-22 10. USB connectors (10-1 pin USB56, USB78, 1-25 ATX12V) USB910) 4. Keyboard power (3-pin KBPWR) 1-19 8. 1.5.3 Motherboard layout 123 4 5 6 20.3cm(8.0in) KBMS KBPWR EPU ATX12V COM1 DDR3 DIMM_A1 (64bit...
... and 3-pin CHA_FAN) 1-26 11. Onboard LED (SB_PWR) 1-5 6. Clear RTC RAM (CLRTC) 1-18 ASUS M5A78L-M LX Series 1-7 ATX power connectors (24-pin EATXPWR, 4-pin 1-22 10. USB connectors (10-1 pin USB56, USB78, 1-25 ATX12V) USB910) 4. Keyboard power (3-pin KBPWR) 1-19 8. 1.5.3 Motherboard layout 123 4 5 6 20.3cm(8.0in) KBMS KBPWR EPU ATX12V COM1 DDR3 DIMM_A1 (64bit...
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... a small triangle. 4. DO NOT force the CPU into the socket to a 90°-100° angle; Locate the CPU socket on the motherboard. Socket lever Ensure that the socket lever is lifted up to prevent bending the pins and damaging the CPU! Small triangle Gold triangle 1-8 Chapter 1:... correct orientation. Ensure that the CPU corner with the gold triangle matches the socket corner with an AM3+ socket designed for the AM3+ socket. M5A78L-M LX PLUS M5A78L-M LX PLUS CPU AM3+ 2. Carefully insert the CPU into the socket to a 90°-100° angle. The CPU fits only in only one...
... a small triangle. 4. DO NOT force the CPU into the socket to a 90°-100° angle; Locate the CPU socket on the motherboard. Socket lever Ensure that the socket lever is lifted up to prevent bending the pins and damaging the CPU! Small triangle Gold triangle 1-8 Chapter 1:... correct orientation. Ensure that the CPU corner with the gold triangle matches the socket corner with an AM3+ socket designed for the AM3+ socket. M5A78L-M LX PLUS M5A78L-M LX PLUS CPU AM3+ 2. Carefully insert the CPU into the socket to a 90°-100° angle. The CPU fits only in only one...
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... package. The lever clicks on the motherboard. You can occur if you fail to secure the CPU. Install a CPU heatsink and fan following the instructions that it is in place, push down the socket lever to plug this connector. ASUS M5A78L-M LX Series 1-9 When the CPU is locked.... 6. Hardware monitoring errors can also refer to connect the CPU fan connector! M5A78L-M LX PLUS CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM M5A78L-M LX PLUS CPU fan connector DO NOT forget ...
... package. The lever clicks on the motherboard. You can occur if you fail to secure the CPU. Install a CPU heatsink and fan following the instructions that it is in place, push down the socket lever to plug this connector. ASUS M5A78L-M LX Series 1-9 When the CPU is locked.... 6. Hardware monitoring errors can also refer to connect the CPU fan connector! M5A78L-M LX PLUS CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM M5A78L-M LX PLUS CPU fan connector DO NOT forget ...
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... mechanism. Place the heatsink on top of the retention bracket 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 heatsink and fan: 1. 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. Attach one end of the installed CPU, ensuring that...
... mechanism. Place the heatsink on top of the retention bracket 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 heatsink and fan: 1. 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. Attach one end of the installed CPU, ensuring that...
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...module base. 5. 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 two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A clicking sound denotes that the ...Push down the retention bracket lock on the motherboard labeled CPU_FAN. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 M5A78L-M LX PLUS Channel Channel A Channel B M5A78L-M LX PLUS 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M5A78L-M LX Series 1-11 Hardware monitoring errors can occur...
...module base. 5. 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 two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A clicking sound denotes that the ...Push down the retention bracket lock on the motherboard labeled CPU_FAN. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 M5A78L-M LX PLUS Channel Channel A Channel B M5A78L-M LX PLUS 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M5A78L-M LX Series 1-11 Hardware monitoring errors can occur...
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...24 • DS N/A Heat-Sink Package 8-8-8-24 •• DS N/A Heat-Sink Package 8-8-8-24 •• continued on the motherboard. • This motherboard does not support DIMMs made up of 512 megabits (Mb) chips or less. For effective use of memory, we recommend that you obtain...that you do any of the lower-sized channel for single-channel operation. • Always install DIMMs with the same CAS latency. M5A78L-M LX Series Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.) MHz capability Vendor Part No. Apacer 78.0AGCD.CDZ(XMP) 2048MB(Kit of 3) SS/...
...24 • DS N/A Heat-Sink Package 8-8-8-24 •• DS N/A Heat-Sink Package 8-8-8-24 •• continued on the motherboard. • This motherboard does not support DIMMs made up of 512 megabits (Mb) chips or less. For effective use of memory, we recommend that you obtain...that you do any of the lower-sized channel for single-channel operation. • Always install DIMMs with the same CAS latency. M5A78L-M LX Series Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.) MHz capability Vendor Part No. Apacer 78.0AGCD.CDZ(XMP) 2048MB(Kit of 3) SS/...
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DDR3-1066 MHz capability Vendor Part No. With ASUS design, this motherboard can support up to DDR3 1333MHz. • When overclocking, some AMD CPU models may not support DDR3 1600 MHz or higher frequency DIMMs. SS: Single-...; AMD® FX™ Series CPU on this motherboard supports up to DDR3 1866MHz as its standard memory frequency. • Due to CPU spec., AMD® 100 and 200 series CPUs support up to DDR3 1066MHz. ASUS M5A78L-M LX Series 1-15 Visit the ASUS website at www.asus.com for the latest QVL. Crucial CT12864BA1067.8FF...
DDR3-1066 MHz capability Vendor Part No. With ASUS design, this motherboard can support up to DDR3 1333MHz. • When overclocking, some AMD CPU models may not support DDR3 1600 MHz or higher frequency DIMMs. SS: Single-...; AMD® FX™ Series CPU on this motherboard supports up to DDR3 1866MHz as its standard memory frequency. • Due to CPU spec., AMD® 100 and 200 series CPUs support up to DDR3 1066MHz. ASUS M5A78L-M LX Series 1-15 Visit the ASUS website at www.asus.com for the latest QVL. Crucial CT12864BA1067.8FF...
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... in the wrong direction to unlock the DIMM. 2 Support the DIMM lightly with extra force. 1 DIMM notch 2. Press the retaining clips outward to both the motherboard and the components. 1. Align a DIMM on the socket such that it flips out with your fingers when pressing the retaining 1 clips. The DIMM might get...
... in the wrong direction to unlock the DIMM. 2 Support the DIMM lightly with extra force. 1 DIMM notch 2. Press the retaining clips outward to both the motherboard and the components. 1. Align a DIMM on the socket such that it flips out with your fingers when pressing the retaining 1 clips. The DIMM might get...
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...the necessary hardware settings for later use . Align the card connector with the screw you physical injury and damage motherboard components. 1.8.1 Installing an expansion card To install an expansion card: 1. Install the software drivers for information on... use . 4. Remove the bracket opposite the slot that they support. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. Assign an IRQ to the ... need to install expansion cards. Secure the card to the card. 3. ASUS M5A78L-M LX Series 1-17
...the necessary hardware settings for later use . Align the card connector with the screw you physical injury and damage motherboard components. 1.8.1 Installing an expansion card To install an expansion card: 1. Install the software drivers for information on... use . 4. Remove the bracket opposite the slot that they support. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. Assign an IRQ to the ... need to install expansion cards. Secure the card to the card. 3. ASUS M5A78L-M LX Series 1-17