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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 ...
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 ...
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...to DDR3 1066MHz. Supports up to install 4GB or more memory on the motherboard. Integrated ATI Radeon™ HD 3000 GPU Supports max. M5A78L-M LX Series specifications summary CPU Chipset Front side bus Memory Graphics Expansion slots Storage / RAID LAN Audio USB AMD® Socket AM3+ for AMD... can support up to 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 PCI slot 6 x Serial ATA 3Gb/s...
...to DDR3 1066MHz. Supports up to install 4GB or more memory on the motherboard. Integrated ATI Radeon™ HD 3000 GPU Supports max. M5A78L-M LX Series specifications summary CPU Chipset Front side bus Memory Graphics Expansion slots Storage / RAID LAN Audio USB AMD® Socket AM3+ for AMD... can support up to 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 PCI slot 6 x Serial ATA 3Gb/s...
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M5A78L-M LX Series specifications summary Back panel I/O ports Internal I/O connectors BIOS ASUS unique features Accessories Support DVD Form factor 1 x PS/2 Keyboard port 1 x PS/2 Mouse port 1 x COM port 1 x LPT port 1 x D-Sub ... High-quality Conductive Polymer Capacitors (M5A78L-M LX PLUS only) ASUS Core unlocker ASUS Turbo Key ASUS Q-Fan ASUS AI Charger ASUS EPU-4 Engine ASUS Anti Surge ASUS EZ Flash2 ASUS MyLogo2 ASUS C.P.R (CPU Parameter Recall) 2 x Serial ATA 3.0Gb/s cables 1 x I/O shield 1 x User Manual 1 x Support DVD Drivers ASUS Update ASUS utilities Anti-Virus software (OEM ...
M5A78L-M LX Series specifications summary Back panel I/O ports Internal I/O connectors BIOS ASUS unique features Accessories Support DVD Form factor 1 x PS/2 Keyboard port 1 x PS/2 Mouse port 1 x COM port 1 x LPT port 1 x D-Sub ... High-quality Conductive Polymer Capacitors (M5A78L-M LX PLUS only) ASUS Core unlocker ASUS Turbo Key ASUS Q-Fan ASUS AI Charger ASUS EPU-4 Engine ASUS Anti Surge ASUS EZ Flash2 ASUS MyLogo2 ASUS C.P.R (CPU Parameter Recall) 2 x Serial ATA 3.0Gb/s cables 1 x I/O shield 1 x User Manual 1 x Support DVD Drivers ASUS Update ASUS utilities Anti-Virus software (OEM ...
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... features and latest technologies, making it , check the items in this user guide are for M5A78L-M LX PLUS only. • If any of ASUS quality motherboards! The layout illustrations in your package with the list below. 1.2 Package contents Check...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. Thank you start installing the motherboard...
... features and latest technologies, making it , check the items in this user guide are for M5A78L-M LX PLUS only. • If any of ASUS quality motherboards! The layout illustrations in your package with the list below. 1.2 Package contents Check...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. Thank you start installing the motherboard...
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... a highly integrated Gb LAN controller. 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 a cool and quiet operating environment. Dual-Channel DDR3 1866 (O.C.) support This motherboard supports DDR3...
... a highly integrated Gb LAN controller. 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 a cool and quiet operating environment. Dual-Channel DDR3 1866 (O.C.) support This motherboard supports DDR3...
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.... C.P.R. ASUS M5A78L-M LX Series 1-3 1.3.2 12 Innovative ASUS features Core Unlocker ASUS Core Unlocker simplifies the activation of a latent AMD® CPUwith just pressing a key. After the easy setup, Turbo Key boosts performances without performing complicated BIOS changes. ASUS EPU ASUS EPU is...performance boost by power surges from switching power supply (PSU). C.P.R. (CPU Parameter Recall) The BIOS C.P.R. ASUS Q-Fan ASUS Q-Fan technology intelligently adjusts the CPU fan speed according to system loading to overclocking failure. feature automatically restores ...
.... C.P.R. ASUS M5A78L-M LX Series 1-3 1.3.2 12 Innovative ASUS features Core Unlocker ASUS Core Unlocker simplifies the activation of a latent AMD® CPUwith just pressing a key. After the easy setup, Turbo Key boosts performances without performing complicated BIOS changes. ASUS EPU ASUS EPU is...performance boost by power surges from switching power supply (PSU). C.P.R. (CPU Parameter Recall) The BIOS C.P.R. ASUS Q-Fan ASUS Q-Fan technology intelligently adjusts the CPU fan speed according to system loading to overclocking failure. feature automatically restores ...
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... indicate that the system is a reminder that came with the component. • Before you install or remove any motherboard component. 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 The illustration below shows the location of the following precautions before you install motherboard components or change any motherboard settings...
... indicate that the system is a reminder that came with the component. • Before you install or remove any motherboard component. 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 The illustration below shows the location of the following precautions before you install motherboard components or change any motherboard settings...
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Doing so can damage the motherboard. M5A78L-M LX PLUS 1-6 Chapter 1: Product introduction 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 six screws 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 correct orientation. The edge with external ports goes to the chassis. DO NOT overtighten the screws!
Doing so can damage the motherboard. M5A78L-M LX PLUS 1-6 Chapter 1: Product introduction 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 six screws 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 correct orientation. The edge with external ports goes to the chassis. DO NOT overtighten the screws!
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...6in) EATXPWR LAN1_USB12 CPU_FAN SATA3G_6 SATA3G_5 ICS 9LPRS483 AUDIO CHA_FAN RTL 8111E PCIEX1_1 AMD® 760G Super I/O PCIEX16 M5A78L-M LX PLUS PCIEX1_2 CLRTC Lithium Cell CMOS Power AMD® SB710 16Mb BIOS 7 ALC 887 SPDIF_OUT AAFP SB_PWR PCI1 USB910 USB78...1.5.4 Layout contents Connectors/Jumpers/Slots Page Connectors/Jumpers/Slots Page 1. Speaker connector (4- pin SPEAKER) 1-24 3. Clear RTC RAM (CLRTC) 1-18 ASUS M5A78L-M LX Series 1-7 Front panel audio connector (10-1 pin AAFP) 1-21 7. USB connectors (10-1 pin USB56, USB78, 1-25 ATX12V) USB910) 4. ...
...6in) EATXPWR LAN1_USB12 CPU_FAN SATA3G_6 SATA3G_5 ICS 9LPRS483 AUDIO CHA_FAN RTL 8111E PCIEX1_1 AMD® 760G Super I/O PCIEX16 M5A78L-M LX PLUS PCIEX1_2 CLRTC Lithium Cell CMOS Power AMD® SB710 16Mb BIOS 7 ALC 887 SPDIF_OUT AAFP SB_PWR PCI1 USB910 USB78...1.5.4 Layout contents Connectors/Jumpers/Slots Page Connectors/Jumpers/Slots Page 1. Speaker connector (4- pin SPEAKER) 1-24 3. Clear RTC RAM (CLRTC) 1-18 ASUS M5A78L-M LX Series 1-7 Front panel audio connector (10-1 pin AAFP) 1-21 7. USB connectors (10-1 pin USB56, USB78, 1-25 ATX12V) USB910) 4. ...
User Manual
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... CPU socket on the motherboard. The CPU fits only in completely. 3. DO NOT force the CPU into the socket to a 90°-100° angle. M5A78L-M LX PLUS M5A78L-M LX PLUS CPU AM3+ 2. otherwise, the CPU will not fit in one correct orientation. Carefully insert the CPU into the socket to a 90°-100° angle...
... CPU socket on the motherboard. The CPU fits only in completely. 3. DO NOT force the CPU into the socket to a 90°-100° angle. M5A78L-M LX PLUS M5A78L-M LX PLUS CPU AM3+ 2. otherwise, the CPU will not fit in one correct orientation. Carefully insert the CPU into the socket to a 90°-100° angle...
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... on the motherboard. 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 to section 1.6.2 Installing heatsink and fan for instructions. 7. You can occur if you fail to indicate that comes with the heatsink package. When the CPU is locked. 6. ASUS M5A78L-M LX Series 1-9 Connect the...
... on the motherboard. 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 to section 1.6.2 Installing heatsink and fan for instructions. 7. You can occur if you fail to indicate that comes with the heatsink package. When the CPU is locked. 6. ASUS M5A78L-M LX Series 1-9 Connect the...
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... motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. 3. 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
... motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. 3. 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
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... vendor. • Due to install 4GB or more memory on the motherboard, the actual usable memory for the OS can be about 3GB or less. M5A78L-M LX Series Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.) MHz capability Vendor Part No. Timing DIMM (BIOS) Voltage DIMM Support A* B* DS N/A Heat-Sink Package 7-7-7-20 1.75...
... vendor. • Due to install 4GB or more memory on the motherboard, the actual usable memory for the OS can be about 3GB or less. M5A78L-M LX Series Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.) MHz capability Vendor Part No. Timing DIMM (BIOS) Voltage DIMM Support A* B* DS N/A Heat-Sink Package 7-7-7-20 1.75...
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... and 200 series CPUs support up to DDR3 1066MHz. With ASUS design, this motherboard supports up to DDR3 1866MHz as one pair of dual-channel memory configuration. ASUS M5A78L-M LX Series 1-15 Size SS/ DS Brand Chip NO. Visit the ASUS website at www.asus.com for the latest QVL. DDR3-1066 MHz capability Vendor Part...
... and 200 series CPUs support up to DDR3 1066MHz. With ASUS design, this motherboard supports up to DDR3 1866MHz as one pair of dual-channel memory configuration. ASUS M5A78L-M LX Series 1-15 Size SS/ DS Brand Chip NO. Visit the ASUS website at www.asus.com for the latest QVL. DDR3-1066 MHz capability Vendor Part...
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... that comply with the PCI Express specifications. 1.8.5 PCI Express 2.0 x16 slot This motherboard supports a PCI Express 2.0 x16 graphics card that you intend to the card. 3. ASUS M5A78L-M LX Series 1-17 Turn on shared slots, ensure that the drivers support "Share IRQ" or that they support. Install the software drivers for the card. 2. Unplug...
... that comply with the PCI Express specifications. 1.8.5 PCI Express 2.0 x16 slot This motherboard supports a PCI Express 2.0 x16 graphics card that you intend to the card. 3. ASUS M5A78L-M LX Series 1-17 Turn on shared slots, ensure that the drivers support "Share IRQ" or that they support. Install the software drivers for the card. 2. Unplug...
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... overclocking. Shut down the key during the boot process and enter BIOS setup to default values. 1-18 Chapter 1: Product introduction CLRTC 12 23 M5A78L-M LX PLUS Normal (Default) Clear RTC M5A78L-M LX PLUS Clear RTC RAM To erase the RTC RAM: 1. Hold down and reboot the system so the BIOS can clear the CMOS memory of...
... overclocking. Shut down the key during the boot process and enter BIOS setup to default values. 1-18 Chapter 1: Product introduction CLRTC 12 23 M5A78L-M LX PLUS Normal (Default) Clear RTC M5A78L-M LX PLUS Clear RTC RAM To erase the RTC RAM: 1. Hold down and reboot the system so the BIOS can clear the CMOS memory of...
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... mode (CPU stopped, DRAM refreshed, system running in the BIOS. KBPWR 12 23 +5V +5VSB (Default) M5A78L-M LX PLUS M5A78L-M LX PLUS Keyboard power setting ASUS M5A78L-M LX Series 1-19 2. USBPW1-4 12 23 +5V +5VSB (Default) USBPW5-10 M5A78L-M LX PLUS 12 23 +5V +5VSB (Default) M5A78L-M LX PLUS USB device wake-up feature. Keyboard power (3-pin KBPWR) This jumper allows you can supply at...
... mode (CPU stopped, DRAM refreshed, system running in the BIOS. KBPWR 12 23 +5V +5VSB (Default) M5A78L-M LX PLUS M5A78L-M LX PLUS Keyboard power setting ASUS M5A78L-M LX Series 1-19 2. USBPW1-4 12 23 +5V +5VSB (Default) USBPW5-10 M5A78L-M LX PLUS 12 23 +5V +5VSB (Default) M5A78L-M LX PLUS USB device wake-up feature. Keyboard power (3-pin KBPWR) This jumper allows you can supply at...
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... devices. 10. Front panel audio connector (10-1 pin AAFP) This connector is for a VGA monitor or other serial devices. 11. ASUS M5A78L-M LX Series 1-21 This 9-pin COM1 port is purchased separately. This port is for details. • The front panel audio I/O module is...1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L M5A78L-M LX PLUS HD-audio-compliant Legacy AC'97 pin definition compliant definition M5A78L-M LX PLUS Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 audio standard...
... devices. 10. Front panel audio connector (10-1 pin AAFP) This connector is for a VGA monitor or other serial devices. 11. ASUS M5A78L-M LX Series 1-21 This 9-pin COM1 port is purchased separately. This port is for details. • The front panel audio I/O module is...1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L M5A78L-M LX PLUS HD-audio-compliant Legacy AC'97 pin definition compliant definition M5A78L-M LX PLUS Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 audio standard...
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... plugs, ensure that you use an ATX 12V Specification 2.0‑compliant power supply unit (PSU) with a minimum of 300W. ATX12V EATXPWR +12V DC +12V DC M5A78L-M LX PLUS GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK PIN 1 GND +5 Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 GND +5 Volts +5 ...The system may become unstable or may not boot up . • We recommend that the 20-pin power plug can provide at http://support.asus. Otherwise, the system will not boot up if the power is inadequate. • If you intend to connect the 4-pin ATX12V power plug...
... plugs, ensure that you use an ATX 12V Specification 2.0‑compliant power supply unit (PSU) with a minimum of 300W. ATX12V EATXPWR +12V DC +12V DC M5A78L-M LX PLUS GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK PIN 1 GND +5 Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 GND +5 Volts +5 ...The system may become unstable or may not boot up . • We recommend that the 20-pin power plug can provide at http://support.asus. Otherwise, the system will not boot up if the power is inadequate. • If you intend to connect the 4-pin ATX12V power plug...