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Contents Notices...vi Safety information vii About this guide vii M4A78LT-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 fan 1-10 1.7 System memory...
Contents Notices...vi Safety information vii About this guide vii M4A78LT-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 fan 1-10 1.7 System memory...
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... If this equipment. The use of shielded cables for connection of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://csr.asus.com/english/REACH.htm. REACH Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of the monitor to the graphics card is... in a particular installation. Operation is no guarantee that the battery should not be placed in municipal waste. This symbol of Communications. DO NOT throw the motherboard in municipal waste.
... If this equipment. The use of shielded cables for connection of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://csr.asus.com/english/REACH.htm. REACH Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of the monitor to the graphics card is... in a particular installation. Operation is no guarantee that the battery should not be placed in municipal waste. This symbol of Communications. DO NOT throw the motherboard in municipal waste.
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... the voltage of the BIOS parameters are connected. Contact a qualified service technician or your area. Operation safety • Before installing the motherboard and adding devices on a stable surface. • If you are unplugged. • Seek professional assistance before using , contact your ...dealer immediately. • To avoid short circuits, keep paper clips, screws, and staples away from the motherboard, ensure that your power supply is set to change system settings through the BIOS Setup menus. vii Detailed descriptions of the electrical...
... the voltage of the BIOS parameters are connected. Contact a qualified service technician or your area. Operation safety • Before installing the motherboard and adding devices on a stable surface. • If you are unplugged. • Seek professional assistance before using , contact your ...dealer immediately. • To avoid short circuits, keep paper clips, screws, and staples away from the motherboard, ensure that your power supply is set to change system settings through the BIOS Setup menus. vii Detailed descriptions of the electrical...
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...pin DIMM slots support maximum 8GB unbuffered ECC and non-ECC DDR3 1866(O.C.) / 1600 (O.C.) / 1333 / 1066MHz memory modules * 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 ...8-channel* High Definition Audio Supports Single SPDIF Out and Anti-pop function * Use the chassis with max. M4A78LT-M LX specifications summary CPU Chipset Front side bus Memory Graphics Expansion slots Storage / RAID LAN Audio USB AMD® ... (6 ports at mid-board, 4 ports at the back panel) (continued on the motherboard.
...pin DIMM slots support maximum 8GB unbuffered ECC and non-ECC DDR3 1866(O.C.) / 1600 (O.C.) / 1333 / 1066MHz memory modules * 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 ...8-channel* High Definition Audio Supports Single SPDIF Out and Anti-pop function * Use the chassis with max. M4A78LT-M LX specifications summary CPU Chipset Front side bus Memory Graphics Expansion slots Storage / RAID LAN Audio USB AMD® ... (6 ports at mid-board, 4 ports at the back panel) (continued on the motherboard.
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... list below. 1.2 Package contents Check your motherboard package for buying an ASUS® M4A78LT-M LX motherboard! ASUS M4A78LT-M LX 1-1 Thank you start installing the motherboard, and hardware devices on it another standout in the new 45nm manufacturing process. Before you for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS M4A78LT-M LX motherboard 2 x Serial ATA cables 1 x I/O shield ASUS motherboard Support DVD User Manual If any...
... list below. 1.2 Package contents Check your motherboard package for buying an ASUS® M4A78LT-M LX motherboard! ASUS M4A78LT-M LX 1-1 Thank you start installing the motherboard, and hardware devices on it another standout in the new 45nm manufacturing process. Before you for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS M4A78LT-M LX motherboard 2 x Serial ATA cables 1 x I/O shield ASUS motherboard Support DVD User Manual If any...
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...a discrete GPU. • Hybrid CrossFireX™ is a highly integrated Gb LAN controller. AMD® Cool 'n' Quiet Technology This motherboard supports the AMD® Cool 'n' Quiet technology which monitors system operation and automatically adjusts CPU voltage and frequency for a smoother and faster...(O.C.)/1333/1066 MHz to provide efficient power management for advanced operating systems. Serial ATA 3Gb/s technology and RAID support This motherboard supports hard drives based on the Serial ATA (SATA) 3Gb/s storage specification, delivering enhanced scalability and doubling the bus ...
...a discrete GPU. • Hybrid CrossFireX™ is a highly integrated Gb LAN controller. AMD® Cool 'n' Quiet Technology This motherboard supports the AMD® Cool 'n' Quiet technology which monitors system operation and automatically adjusts CPU voltage and frequency for a smoother and faster...(O.C.)/1333/1066 MHz to provide efficient power management for advanced operating systems. Serial ATA 3Gb/s technology and RAID support This motherboard supports hard drives based on the Serial ATA (SATA) 3Gb/s storage specification, delivering enhanced scalability and doubling the bus ...
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... Unlocker simplifies the activation of a latent AMD® CPUwith just pressing a key. ASUS EZ Flash 2 ASUS EZ Flash 2 allows you to update the BIOS from switching power supply (PSU). ASUS M4A78LT-M LX 1-3 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...
... Unlocker simplifies the activation of a latent AMD® CPUwith just pressing a key. ASUS EZ Flash 2 ASUS EZ Flash 2 allows you to update the BIOS from switching power supply (PSU). ASUS M4A78LT-M LX 1-3 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...
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... 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 creating environment-friendly and energy-efficient products through product design and innovation to reduce carbon footprint of the product and thus mitigate .... 1-4 Chapter 1: Product introduction C.P.R. feature automatically restores the CPU default settings when the system hangs due to energy consumptions. ErP ready The motherboard is in regards to overclocking failure. C.P.R. (CPU Parameter Recall) The BIOS C.P.R.
... 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 creating environment-friendly and energy-efficient products through product design and innovation to reduce carbon footprint of the product and thus mitigate .... 1-4 Chapter 1: Product introduction C.P.R. feature automatically restores the CPU default settings when the system hangs due to energy consumptions. ErP ready The motherboard is in regards to overclocking failure. C.P.R. (CPU Parameter Recall) The BIOS C.P.R.
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...supply case, to avoid damaging them due to static electricity. • Hold components by the edges to the motherboard, peripherals, or components. Onboard LED The motherboard comes with a standby power LED that lights up to indicate that the system is a reminder that came ...mode. The illustration below shows the location of the following precautions before you install or remove any motherboard component. SB_PWR M4A78LT-M LX ON OFF Standby Power Powered Off M4A78LT-M LX Onboard LED ASUS M4A78LT-M LX 1-5 1.4 Before you proceed Take note of the onboard LED. This is ON, in sleep...
...supply case, to avoid damaging them due to static electricity. • Hold components by the edges to the motherboard, peripherals, or components. Onboard LED The motherboard comes with a standby power LED that lights up to indicate that the system is a reminder that came ...mode. The illustration below shows the location of the following precautions before you install or remove any motherboard component. SB_PWR M4A78LT-M LX ON OFF Standby Power Powered Off M4A78LT-M LX Onboard LED ASUS M4A78LT-M LX 1-5 1.4 Before you proceed Take note of the onboard LED. This is ON, in sleep...
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The edge with external ports goes to the chassis. Doing so can damage the motherboard. Place this side towards the rear of the chassis as indicated in the correct orientation. M4A78LT-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!
The edge with external ports goes to the chassis. Doing so can damage the motherboard. Place this side towards the rear of the chassis as indicated in the correct orientation. M4A78LT-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!
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...Motherboard layout 123 4 5 6 20.3cm(8.0in) KBMS KBPWR EPU ATX12V COM1 DDR3 DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_B1 (64bit, 240-pin module) EATXPWR USBPW1-4 LPT SOCKET AM3 VGA USB34 3 24.4cm(9.6in) LAN1_USB12 CPU_FAN SATA3G_5 SATA3G_6 ICS 9LPRS483 AUDIO CHA_FAN RTL 8111E PCIEX1_1 AMD® RS780L Super I/O PCIEX16 M4A78LT-M LX... 1.5.4 Layout contents Connectors/Jumpers/Slots Page Connectors/Jumpers/Slots Page 1. Clear RTC RAM (CLRTC) 1-18 ASUS M4A78LT-M LX 1-7 Keyboard power (3-pin KBPWR) 1-19 8. Front panel audio connector (10-1 pin AAFP) 1-21 ...
...Motherboard layout 123 4 5 6 20.3cm(8.0in) KBMS KBPWR EPU ATX12V COM1 DDR3 DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_B1 (64bit, 240-pin module) EATXPWR USBPW1-4 LPT SOCKET AM3 VGA USB34 3 24.4cm(9.6in) LAN1_USB12 CPU_FAN SATA3G_5 SATA3G_6 ICS 9LPRS483 AUDIO CHA_FAN RTL 8111E PCIEX1_1 AMD® RS780L Super I/O PCIEX16 M4A78LT-M LX... 1.5.4 Layout contents Connectors/Jumpers/Slots Page Connectors/Jumpers/Slots Page 1. Clear RTC RAM (CLRTC) 1-18 ASUS M4A78LT-M LX 1-7 Keyboard power (3-pin KBPWR) 1-19 8. Front panel audio connector (10-1 pin AAFP) 1-21 ...
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... lever is designed for the AMD Opteron™ processor. 1.6 Central Processing Unit (CPU) This motherboard supports AMD® Phenom™ II / Athlon™ II / Sempron™ 100 series processors. M4A78LT-M LX M4A78LT-M LX CPU AM3 2. Locate the CPU socket on the motherboard. Small triangle Gold triangle 1-8 Chapter 1: Product introduction Carefully insert the CPU into the socket...
... lever is designed for the AMD Opteron™ processor. 1.6 Central Processing Unit (CPU) This motherboard supports AMD® Phenom™ II / Athlon™ II / Sempron™ 100 series processors. M4A78LT-M LX M4A78LT-M LX CPU AM3 2. Locate the CPU socket on the motherboard. Small triangle Gold triangle 1-8 Chapter 1: Product introduction Carefully insert the CPU into the socket...
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... PWR CPU FAN IN CPU FAN PWM M4A78LT-M LX CPU fan connector DO NOT forget to the CPU_FAN connector on the side tab to plug this connector. You can occur if you fail to indicate that comes with the heatsink package. The lever clicks on the motherboard. When the CPU is locked. 6. 5. Hardware... place, push down the socket lever to section 1.6.2 Installing heatsink and fan for instructions. 7. Connect the CPU fan cable to connect the CPU fan connector! ASUS M4A78LT-M LX 1-9
... PWR CPU FAN IN CPU FAN PWM M4A78LT-M LX CPU fan connector DO NOT forget to the CPU_FAN connector on the side tab to plug this connector. You can occur if you fail to indicate that comes with the heatsink package. The lever clicks on the motherboard. When the CPU is locked. 6. 5. Hardware... place, push down the socket lever to section 1.6.2 Installing heatsink and fan for instructions. 7. Connect the CPU fan cable to connect the CPU fan connector! ASUS M4A78LT-M LX 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. Place the ... retention module base. 1 2 3 4 5 1-10 Chapter 1: Product introduction 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. Place the ... retention module base. 1 2 3 4 5 1-10 Chapter 1: Product introduction 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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.... 1.7 System memory 1.7.1 Overview The motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. 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 Channel Channel A Channel B M4A78LT-M LX M4A78LT-M LX 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M4A78LT-M LX 1-11
.... 1.7 System memory 1.7.1 Overview The motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. 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 Channel Channel A Channel B M4A78LT-M LX M4A78LT-M LX 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS M4A78LT-M LX 1-11
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...excess memory from the same vendor. • Due to install 4GB or more memory on the motherboard. • This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less. M4A78LT-M LX Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.) MHz capability Vendor Part No. Timing DIMM (BIOS)...Crucial Crucial Crucial Crucial Crucial Part No. For effective use of memory, we recommend that you install 4GB or more memory on the motherboard, the actual usable memory for the OS can be about 3GB or less. Use a 64-bit �W�i�nd�...
...excess memory from the same vendor. • Due to install 4GB or more memory on the motherboard. • This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less. M4A78LT-M LX Motherboard Qualified Vendors Lists (QVL) DDR3-1866(O.C.) MHz capability Vendor Part No. Timing DIMM (BIOS)...Crucial Crucial Crucial Crucial Crucial Part No. For effective use of memory, we recommend that you install 4GB or more memory on the motherboard, the actual usable memory for the OS can be about 3GB or less. Use a 64-bit �W�i�nd�...
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Size SS/ DS Brand Chip NO. ASUS M4A78LT-M LX 1-15 Visit the ASUS website at www.asus.com for the latest QVL. Crucial CT12864BA1067.8FF 1024MB SS Crucial CT12872BA1067.9FF 1024MB SS Crucial CT25664BA1067.16FF 2048MB DS Crucial CT25672BA1067.18FF ... DS Micron MT18JSF25672AZ-1G1F1 2048MB DS OCZ OCZ3SOE10662GK 2048MB(Kit of dual-channel memory configuration. 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...
Size SS/ DS Brand Chip NO. ASUS M4A78LT-M LX 1-15 Visit the ASUS website at www.asus.com for the latest QVL. Crucial CT12864BA1067.8FF 1024MB SS Crucial CT12872BA1067.9FF 1024MB SS Crucial CT25664BA1067.16FF 2048MB DS Crucial CT25672BA1067.18FF ... DS Micron MT18JSF25672AZ-1G1F1 2048MB DS OCZ OCZ3SOE10662GK 2048MB(Kit of dual-channel memory configuration. 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...
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... retaining 1 clips. 1.7.3 Installing a DIMM Unplug the power supply before adding or removing DIMMs or other system components. Press the retaining clips outward to both the motherboard and the components. 1. Locked Retaining Clip 1.7.4 Removing a DIMM To remove a DIMM: 1. Simultaneously press the retaining clips outward to avoid damaging the DIMM. 3. Failure to do...
... retaining 1 clips. 1.7.3 Installing a DIMM Unplug the power supply before adding or removing DIMMs or other system components. Press the retaining clips outward to both the motherboard and the components. 1. Locked Retaining Clip 1.7.4 Removing a DIMM To remove a DIMM: 1. Simultaneously press the retaining clips outward to avoid damaging the DIMM. 3. Failure to do...
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...ASUS M4A78LT-M LX 1-17 Unplug the power cord before adding or removing expansion cards. Remove the bracket opposite the slot that they support. The following sub‑sections describe the slots and the expansion cards that you intend to use . 4. Remove the system unit cover (if your motherboard ... slots, ensure that the drivers support "Share IRQ" or that comply with the PCI Express specifications. 1.8.5 PCI Express x16 slot This motherboard supports a PCI Express x16 graphics card that the cards do so may need IRQ assignments. Replace the system cover. 1.8.2 Configuring an ...
...ASUS M4A78LT-M LX 1-17 Unplug the power cord before adding or removing expansion cards. Remove the bracket opposite the slot that they support. The following sub‑sections describe the slots and the expansion cards that you intend to use . 4. Remove the system unit cover (if your motherboard ... slots, ensure that the drivers support "Share IRQ" or that comply with the PCI Express specifications. 1.8.5 PCI Express x16 slot This motherboard supports a PCI Express x16 graphics card that the cards do so may need IRQ assignments. Replace the system cover. 1.8.2 Configuring an ...