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Contents Notices...vi Safety information vii About this guide viii M5A78L-M LX 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 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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... or later version) * Refer to 10 USB 2.0/1.1 ports (6 ports at mid-board, 4 ports at the back panel) (continued on the motherboard. M5A78L-M LX specifications summary CPU Chipset Front side bus Memory Graphics Expansion slots Storage / RAID LAN Audio USB AMD® Socket AM3+ for AMD® FX™...) ix Supports 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 x1 slots 1 x PCI slot 6 x Serial ATA 3Gb...
... or later version) * Refer to 10 USB 2.0/1.1 ports (6 ports at mid-board, 4 ports at the back panel) (continued on the motherboard. M5A78L-M LX specifications summary CPU Chipset Front side bus Memory Graphics Expansion slots Storage / RAID LAN Audio USB AMD® Socket AM3+ for AMD® FX™...) ix Supports 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 x1 slots 1 x PCI slot 6 x Serial ATA 3Gb...
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... Recall) 2 x Serial ATA 3Gb/s cables 1 x I /O connectors BIOS ASUS unique features ASUS exclusive overclocking 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... SM BIOS 2.6 ASUS Core unlocker ASUS Q-Fan ASUS CrashFree BIOS3 ASUS EZ Flash2 ASUS AI Charger ASUS MyLogo2 ASUS EPU-4 Engine ASUS Anti Surge Intelligent overclocking tools: - Adjustable DRAM Voltage Overclocking Protection: - M5A78L-M LX specifications summary Back panel I/O ports Internal I /O shield 1 x User Manual Drivers ASUS Update ASUS utilities Anti-Virus ...
... Recall) 2 x Serial ATA 3Gb/s cables 1 x I /O connectors BIOS ASUS unique features ASUS exclusive overclocking 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... SM BIOS 2.6 ASUS Core unlocker ASUS Q-Fan ASUS CrashFree BIOS3 ASUS EZ Flash2 ASUS AI Charger ASUS MyLogo2 ASUS EPU-4 Engine ASUS Anti Surge Intelligent overclocking tools: - Adjustable DRAM Voltage Overclocking Protection: - M5A78L-M LX specifications summary Back panel I/O ports Internal I /O shield 1 x User Manual Drivers ASUS Update ASUS utilities Anti-Virus ...
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...; 3.0-based system bus. Before you for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS M5A78L-M LX motherboard 2 x Serial ATA cables 1 x I/O shield ASUS motherboard Support DVD User Manual If any of the above items is damaged or missing, contact your...latest technologies, making it , check the items in your motherboard package for buying an ASUS® M5A78L-M LX motherboard! ASUS M5A78L-M LX 1-1 The motherboard delivers a host of ASUS quality motherboards! Thank you start installing the motherboard, and hardware devices on it another ...
...; 3.0-based system bus. Before you for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS M5A78L-M LX motherboard 2 x Serial ATA cables 1 x I/O shield ASUS motherboard Support DVD User Manual If any of the above items is damaged or missing, contact your...latest technologies, making it , check the items in your motherboard package for buying an ASUS® M5A78L-M LX motherboard! ASUS M5A78L-M LX 1-1 The motherboard delivers a host of ASUS quality motherboards! Thank you start installing the motherboard, and hardware devices on it another ...
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... Protection This special design prevents expensive devices and the motherboard from a USB flash disk before entering the OS. ASUS M5A78L-M LX 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. ASUS EPU ASUS EPU is an auto-recovery tool that allows you to personalize your system...
... Protection This special design prevents expensive devices and the motherboard from a USB flash disk before entering the OS. ASUS M5A78L-M LX 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. ASUS EPU ASUS EPU is an auto-recovery tool that allows you to personalize your system...
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... any motherboard settings. • Unplug the power cord from the wall socket before removing or plugging in any motherboard component. SB_PWR M5A78L-M LX ON OFF Standby Power Powered Off M5A78L-M LX Onboard LED ASUS M5A78L-M LX 1-5 This is ON, in sleep mode, or in the bag that came with a standby power LED that lights up to the...
... any motherboard settings. • Unplug the power cord from the wall socket before removing or plugging in any motherboard component. SB_PWR M5A78L-M LX ON OFF Standby Power Powered Off M5A78L-M LX Onboard LED ASUS M5A78L-M LX 1-5 This is ON, in sleep mode, or in the bag that came with a standby power LED that lights up to the...
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DO NOT overtighten the screws! Place this side towards the rear of the chassis as indicated in the correct orientation. The edge with external ports goes to the chassis. Doing so can damage the motherboard. M5A78L-M LX 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.
DO NOT overtighten the screws! Place this side towards the rear of the chassis as indicated in the correct orientation. The edge with external ports goes to the chassis. Doing so can damage the motherboard. M5A78L-M LX 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.
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...and 3-pin CHA_FAN) 1-26 11. Onboard LED (SB_PWR) 1-5 6. Digital audio connector (4-1 pin SPDIF_OUT) 1-25 5. Clear RTC RAM (CLRTC) 1-18 ASUS M5A78L-M LX 1-7 USB device wake-up (3-pin USBPW1-4, USBPW5-10) 1-19 9. pin SPEAKER) 1-24 3. Serial ATA connectors (7-pin SATA1-6) 1-23 14. AMD...4cm(9.6in) EATXPWR LAN1_USB12 CPU_FAN SATA3G_5 SATA3G_6 ICS 9LPRS483 AUDIO CHA_FAN RTL 8111E PCIEX1_1 AMD® 760G Super I/O PCIEX16 M5A78L-M LX PCIEX1_2 CLRTC Lithium Cell CMOS Power AMD® SB710 16Mb BIOS 7 ALC 887 SPDIF_OUT AAFP SB_PWR PCI1 USB910 USB78 ...
...and 3-pin CHA_FAN) 1-26 11. Onboard LED (SB_PWR) 1-5 6. Digital audio connector (4-1 pin SPDIF_OUT) 1-25 5. Clear RTC RAM (CLRTC) 1-18 ASUS M5A78L-M LX 1-7 USB device wake-up (3-pin USBPW1-4, USBPW5-10) 1-19 9. pin SPEAKER) 1-24 3. Serial ATA connectors (7-pin SATA1-6) 1-23 14. AMD...4cm(9.6in) EATXPWR LAN1_USB12 CPU_FAN SATA3G_5 SATA3G_6 ICS 9LPRS483 AUDIO CHA_FAN RTL 8111E PCIEX1_1 AMD® 760G Super I/O PCIEX16 M5A78L-M LX PCIEX1_2 CLRTC Lithium Cell CMOS Power AMD® SB710 16Mb BIOS 7 ALC 887 SPDIF_OUT AAFP SB_PWR PCI1 USB910 USB78 ...
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... orientation. The CPU fits in place. Press the lever sideways to prevent bending the pins and damaging the CPU! 1.6.1 Installing the CPU To install a CPU: 1. M5A78L-M LX M5A78L-M LX CPU AM3+ 2. 1.6 Central Processing Unit (CPU) This motherboard comes with a small triangle. 4. Locate the CPU socket on the motherboard. Small triangle Gold triangle 1-8 Chapter 1: Product...
... orientation. The CPU fits in place. Press the lever sideways to prevent bending the pins and damaging the CPU! 1.6.1 Installing the CPU To install a CPU: 1. M5A78L-M LX M5A78L-M LX CPU AM3+ 2. 1.6 Central Processing Unit (CPU) This motherboard comes with a small triangle. 4. Locate the CPU socket on the motherboard. Small triangle Gold triangle 1-8 Chapter 1: Product...
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... 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 M5A78L-M LX 1-9 M5A78L-M LX CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM M5A78L-M LX CPU fan connector DO NOT forget to secure the CPU. The lever clicks on the motherboard. 5.
... 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 M5A78L-M LX 1-9 M5A78L-M LX CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM M5A78L-M LX CPU fan connector DO NOT forget to secure the CPU. The lever clicks on the motherboard. 5.
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Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 M5A78L-M LX Channel Channel A Channel B M5A78L-M LX 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M5A78L-M LX 1-11 Push down the retention bracket lock on the motherboard labeled CPU_FAN. Hardware monitoring errors can occur if you cannot snap the retention bracket in ...
Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 M5A78L-M LX Channel Channel A Channel B M5A78L-M LX 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M5A78L-M LX 1-11 Push down the retention bracket lock on the motherboard labeled CPU_FAN. Hardware monitoring errors can occur if you cannot snap the retention bracket in ...
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..., 2GB, and 4GB unbuffered ECC and non-ECC DDR3 DIMMs into the DIMM sockets. • You may install varying memory sizes in Channel A and Channel B. M5A78L-M LX Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.) MHz capability Vendor Part No. Install a maximum of 3GB system memory if you install 4GB or more memory...
..., 2GB, and 4GB unbuffered ECC and non-ECC DDR3 DIMMs into the DIMM sockets. • You may install varying memory sizes in Channel A and Channel B. M5A78L-M LX Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.) MHz capability Vendor Part No. Install a maximum of 3GB system memory if you install 4GB or more memory...
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Visit the ASUS website at www.asus.com for the latest QVL. ASUS M5A78L-M LX 1-15 With ASUS design, this motherboard supports up to DDR3 1866MHz as one pair of modules inserted into either the blue slots or the black slots as its ...
Visit the ASUS website at www.asus.com for the latest QVL. ASUS M5A78L-M LX 1-15 With ASUS design, this motherboard supports up to DDR3 1866MHz as one pair of modules inserted into either the blue slots or the black slots as its ...
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..., and other cards that comply with the PCI Express specifications. 1.8.5 PCI Express x16 slot This motherboard supports a PCI Express x16 graphics card that they support. ASUS M5A78L-M LX 1-17
..., and other cards that comply with the PCI Express specifications. 1.8.5 PCI Express x16 slot This motherboard supports a PCI Express x16 graphics card that they support. ASUS M5A78L-M LX 1-17
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... the RTC RAM, never remove the cap on pins 2-3 for about 5~10 seconds, then move the jumper again to overclocking. CLRTC 12 23 M5A78L-M LX Normal (Default) Clear RTC M5A78L-M LX Clear RTC RAM To erase the RTC RAM: 1. For system failure due to pins 2-3. Shut down the key during the boot process and...
... the RTC RAM, never remove the cap on pins 2-3 for about 5~10 seconds, then move the jumper again to overclocking. CLRTC 12 23 M5A78L-M LX Normal (Default) Clear RTC M5A78L-M LX Clear RTC RAM To erase the RTC RAM: 1. For system failure due to pins 2-3. Shut down the key during the boot process and...
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... wake up the compurer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in the BIOS. KBPWR 12 23 +5V +5VSB (Default) M5A78L-M LX M5A78L-M LX Keyboard power setting ASUS M5A78L-M LX 1-19 USB device wake-up (3-pin USBPW1-4, USBPW5-10) Set these jumpers to +5VSB to CPU, DRAM in slow refresh, power supply in reduced...
... wake up the compurer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in the BIOS. KBPWR 12 23 +5V +5VSB (Default) M5A78L-M LX M5A78L-M LX Keyboard power setting ASUS M5A78L-M LX 1-19 USB device wake-up (3-pin USBPW1-4, USBPW5-10) Set these jumpers to +5VSB to CPU, DRAM in slow refresh, power supply in reduced...
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...10. See section 2.4.4 Onboard Device Configuration for a chassis-mounted front panel audio I /O module is for a PS/2 keyboard. 1.10.2 Internal connectors 1. ASUS M5A78L-M LX 1-21 7. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0 devices. 8. This 15-pin ...PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L M5A78L-M LX HD-audio-compliant Legacy AC'97 pin definition compliant definition M5A78L-M LX Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 audio ...
...10. See section 2.4.4 Onboard Device Configuration for a chassis-mounted front panel audio I /O module is for a PS/2 keyboard. 1.10.2 Internal connectors 1. ASUS M5A78L-M LX 1-21 7. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0 devices. 8. This 15-pin ...PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L M5A78L-M LX HD-audio-compliant Legacy AC'97 pin definition compliant definition M5A78L-M LX Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 audio ...
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... and push down firmly until the connectors completely fit. ATX12V EATXPWR +12V DC +12V DC M5A78L-M LX 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 M5A78L-M LX ATX power connectors GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 ...2.0‑compliant power supply unit (PSU) with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at http://support.asus. This PSU type has 24-pin and 4-pin power plugs. • If you use a PSU with a minimum of 300W.
... and push down firmly until the connectors completely fit. ATX12V EATXPWR +12V DC +12V DC M5A78L-M LX 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 M5A78L-M LX ATX power connectors GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 ...2.0‑compliant power supply unit (PSU) with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at http://support.asus. This PSU type has 24-pin and 4-pin power plugs. • If you use a PSU with a minimum of 300W.
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... in the BIOS. See 2.3.4 SATA Configuration for Serial ATA 3Gb/s hard disk and optical disk drives. 3. ASUS M5A78L-M LX 1-23 SATA3G_5 GND RSATA_TXN5 RSATA_TXP5 GND RSATA_RXN5 RSATA_RXP5 GND SATA3G_6 GND RSATA_TXN6 RSATA_TXP6 GND RSATA_RXN6 RSATA_RXP6 GND SATA3G_2 SATA3G_4 ...RSATA_TXN4 RSATA_TXP4 GND RSATA_RXN4 RSATA_RXP4 GND GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXP1 RSATA_TXN1 GND GND RSATA_RXP3 RSATA_RXN3 GND RSATA_TXP3 RSATA_TXN3 GND M5A78L-M LX SATA3G_1 SATA3G_3 M5A78L-M LX SATA connectors • Install the Windows® XP Service Pack 3 or later versions before using Serial ATA....
... in the BIOS. See 2.3.4 SATA Configuration for Serial ATA 3Gb/s hard disk and optical disk drives. 3. ASUS M5A78L-M LX 1-23 SATA3G_5 GND RSATA_TXN5 RSATA_TXP5 GND RSATA_RXN5 RSATA_RXP5 GND SATA3G_6 GND RSATA_TXN6 RSATA_TXP6 GND RSATA_RXN6 RSATA_RXP6 GND SATA3G_2 SATA3G_4 ...RSATA_TXN4 RSATA_TXP4 GND RSATA_RXN4 RSATA_RXP4 GND GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXP1 RSATA_TXN1 GND GND RSATA_RXP3 RSATA_RXN3 GND RSATA_TXP3 RSATA_TXN3 GND M5A78L-M LX SATA3G_1 SATA3G_3 M5A78L-M LX SATA connectors • Install the Windows® XP Service Pack 3 or later versions before using Serial ATA....