Asus M4A78LT-M Installation Manual
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Asus M4A78LT-M Installation Manual

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Summary of Contents for Asus M4A78LT-M

  • Page 1 Motherboard installation guide...
  • Page 2 INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.

  • Page 3: Safety Information

    Safety information Electrical safety • electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.

  • Page 5: Installing The Cpu

    PnP cap Pick and Place Cap (PnP Cap) unless you are installing a CPU. Ensure that the gold triangle is Position the CPU over the socket. on the bottom‑left corner of the socket. ASUS Motherboard installation guide...

  • Page 6: Intel Lga1366 Socket

    Fit the socket alignment key into the CPU notch. Close the load plate, then push the load lever until it snaps into the retention tab. orientation. DO NOT force the CPU into the socket to prevent bending the connectors on the socket and damaging the CPU! 1.1.2 Intel LGA1366 Socket...
  • Page 7 CPU notch Alignment key socket to prevent bending the connectors on the socket and damaging the CPU! Close the load plate (A), and then push the load lever (B) until it snaps into the retention tab. ASUS Motherboard installation guide...

  • Page 8: Intel Lga1156 Socket

    1.1.3 Intel LGA1156 Socket Locate the CPU socket on the motherboard. Press the load lever with your Load lever thumb (A), and then move it to the right (B) until it is released from the retention tab. To prevent damage to the socket pins, do not remove the PnP cap unless you are installing a CPU.
  • Page 9 Close the load plate (A), and then push down the load lever (B), ensuring that the front edge of the load plate slides under the retention lock (C). Insert the load lever under the retention tab. ASUS Motherboard installation guide...

  • Page 10: Amd Am2 Socket

    1.1.4 AMD AM2 Socket Locate the CPU socket on the Press the lever sideways to unlock motherboard. the socket, then lift it up to a 90º angle. Ensure that the socket lever is lifted up to 90º angle. Otherwise, the CPU will Position the CPU above the socket When the CPU is in place, push such that the CPU corner with the...

  • Page 11: Installing The Heatsink And Fan

    Installing the heatsink and fan To install the CPU heatsink and fan: motherboard. There are 3‑pin (left) and 4‑pin (right) fan connectors. Only CPU fans with 4‑pin connectors supports the ASUS Q‑Fan technology. Some heatsinks will come with pre‑applied thermal paste. If so, do not scrape it off and remove installation.
  • Page 12 Push down two fasteners at a time Connect the CPU fan cable to the corresponding connector on the the heatsink and fan assembly in motherboard. place. DO NOT forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector and we suggest you use an omni‑ directional heatsink to gain the maximum heat dissipation area.

  • Page 13: Installing A Dimm

    DIMM is properly seated. Locked Retaining Clip force a DIMM into a socket to avoid damaging the DIMM. • To install two or more DIMMs, refer to the user guide bundled in the motherboard package. ASUS Motherboard installation guide...

  • Page 14: Installing The Motherboard

    Installing the motherboard I/O ports differ with motherboards. Use and install the rear I/O shield that comes with the motherboard package only. Some sharp edges and points might cause physical injury. We recommend you put on cut or puncture resistant gloves before motherboard and I/O shield installation.

  • Page 15: Installing The Power Supply Unit

    AC input voltage in your area. Failure to adjust the power supply to the correct AC input voltage will seriously damage the system. supply units can damage your motherboard and other components. Refer to the ASUS Motherboard installation guide...

  • Page 16: Installing An Expansion Card

    Installing an expansion card To install an expansion card: Remove the metal slot cover opposite the expansion card slot where you wish to install an expansion card. Install the expansion card and ensure that it is properly seated on the slot. Screw to secure the card on the slot.

  • Page 17: Installing Disk Drives

    Pin1 on the optical drive. IDE cables are dummy‑proof. Never force the IDE cable into the connector. Connect the 4‑pin power cable to Attach the audio cable to the the optical drive. connector on the optical drive. ASUS Motherboard installation guide...

  • Page 18: Sata Optical Disk Drive

    1.7.2 SATA optical disk drive Remove the dummy cover and Align with the screw holes and slide the optical disk drive into the secure the disk drive with screws. bay. Orient and plug the SATA cable into the optical drive. SATA cables are dummy‑proof.

  • Page 19: Floppy Disk Drive

    Remove the dummy cover and Align with the screw holes and secure the disk drive with screws. bay. the connector at the back of the red stripe on the cable is the pin1 end and should match pin1 on the ASUS Motherboard installation guide...

  • Page 20: Pata Hard Disk Drive

    1.7.4 PATA hard disk drive Insert the PATA hard disk drive into Align with the screw holes and the bay. secure the disk drive with screws. Orient and connect the signal cable Connect the 4‑pin power cable to to the hard disk drive. The red stripe the connector at the back of the on the cable is the pin1 end.
  • Page 21 • When connecting two IDE devices, you have to set the jumpers to different position, one in master and one in slave. If you are using an 80‑wire cable, you can use the cable select style. ASUS Motherboard installation guide...

  • Page 22: Sata Hard Disk Drive

    The SATA power cable connector provides higher data transmission is different from the traditional speed, and better voltage tolerance. 4‑pin power connector. ASUS The narrow design of the SATA motherboard bundles power adapter cable also solves cabling issues cables for you in case your power supply unit does not include this chassis.

  • Page 23: Front Panel Cables

    IDE_LED and PLED cables do. Connect the cable PIN1 to the connector PIN1 on the motherboard. • The front panel connector varies with your motherboard model, refer to the user guide for more information. ASUS Motherboard installation guide...

  • Page 24: Connecting The Atx Power

    ASUS Q-Connector ASUS Q‑Connector’s one step installation saves your time from struggling with the messy front panel cables. Refer to the user guide for details. The Q‑connector is available in selected models. Refer to the user guide for details. Connecting the ATX power the connectors to the motherboard.

  • Page 25: Power Connectors

    If your power supply supports 0‑pin+4‑pin, you are able to combine these two connectors and install to the 4‑pin connectors on the motherboard. Power connectors 20+4 (24) pin ATX connector 4-pin ATX connector peripheral power connector (left) ASUS Motherboard installation guide...

  • Page 26: Peripheral Devices And Accessories

    1.10 Peripheral devices and accessories 8. PS/2 1. AC power plug mouse port 2. PS/2 keyboard 9. Parallel port port 3. S/PDIF out port 10. IEEE1394 port 4. Serial port 11. LAN (RJ45) port 5. USB port 12. Line in port 13.

  • Page 27: Troubleshooting

    Floppy Error (The indicator is always lit or a warning message pops on correctly. the screen.) Hard/optical disk drive error • Ensure the jumper setting is correct. (Master/Slave) drive. • Ensure the device drivers are installed. ASUS Motherboard installation guide...
  • Page 28 Chapter 1: Quick Start...

  • Page 29: Chapter 2: Manage/Update Bios

    Copy the AFUDOS utility (afudos.exe) from the motherboard support CD/ Boot the system in DOS mode, then at the prompt type: characters for the extension name. Extension name A:\> ASUS Motherboard installation guide...
  • Page 30 Copy the AFUDOS utility (afudos.exe) from the motherboard support DVD to Boot the system in DOS mode, then at the prompt type: disk. DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! The utility returns to the DOS prompt after the BIOS update process is completed.

  • Page 31: Award Bios Flash Utility

    Under the DOS mode, use <X:> (X stands for the name of the disk assignment) to switch to disk you saved the BIOS Utility. At the prompt, type <Enter>. The Award BIOS Flash Utility screen appears. ASUS Motherboard installation guide...
  • Page 32 the File Name to Program following screen appears. The utility displays a Flashing Complete message indicating that you have successfully Remove the disk then press <F1> to restart the system. Chapter : Manage/update BIOS...
  • Page 33 Follow steps 1 to  of the previous section. Press <Y> when the utility prompts you to save the following screen appears. then press <Enter>. The utility saves the disk, then returns to the ASUS Motherboard installation guide...

  • Page 34: Asus Update Utility

    ASUS Update utility The ASUS Update utility allows you to manage, save, and update the motherboard ® BIOS in Windows environment. The ASUS Update utility allows you to: • View the BIOS version information. This utility is available in the support CD/DVD that comes with the motherboard package.
  • Page 35 To update the BIOS through the Internet: ® To aunch the ASUS Update utility from the Windows desktop, click Start > Programs > ASUS > ASUSUpdate > ASUSUpdate. The ASUS Update main window appears. Select Update BIOS from the Select the ASUS FTP site nearest drop‑down menu list, then click...
  • Page 36 ® desktop, click Start To launch the ASUS Update utility from the Windows > Programs > ASUS > ASUSUpdate > ASUSUpdate. The ASUS Update main window appears. Select Update BIOS from the drop‑down menu list, then click Next.

  • Page 37: Troubleshooting For Motherboard Diy

    After assembling your own computer, you might encounter troubles in starting it up. entering the operating system. Read this chapter for basic troubleshooting. It saves time and hassles for you on contacting ASUS technical support team or returning the product for warranty service.
  • Page 38 Ensure there is no broken or bended pins on your connector pins or CPU pins. A broken and bended pin will cause the component malfunction. Contact your retailer for further support. Connector pins AMD CPU gold pins If the broken or bended pins are caused after the purchase, your retailer may ask for repair charge.

  • Page 39: Other Common Troubles

    3‑4 Stop 3‑ screen Running 3‑ display Running N//A 3‑ Failure to Running 3‑ enter OS Running 3‑ Running 3‑ again. If the problem persists, contact your retailer or ASUS technical support team for further help. ASUS Motherboard installation guide...
  • Page 40 If the problem persists, you may need to contact your retailer for a new power supply unit. If the power supply unit functions, contact your ASUS motherboard retailer for motherboard warranty service. Chapter 3: Troubleshooting...

  • Page 41: Failure To Enter The Operating System

    If the problem emerges after you change the BIOS settings, reboot and enter the BIOS to load the setup defaults. Refer the motherboard user guide for details. ASUS Motherboard installation guide...
  • Page 42 Enter the operating system in safe mode and do a full system virus scan using an anti‑virus application. Contact the operating system company for further support. reformat your hard disk drive and reinstall a new operating system. 3.2.4 FAQs Q1: The memory reported in POST is different from the memory installed. A1: The reported difference in memory may result from defective memory modules or incorrect DIMM installation.

  • Page 43: Chapter 4: Computer Care Tips

    • Uninstall the motherboad and hard/optical disk drives, then clean them with canned air or a soft brush. • Remove the dust and hair debris on the power supply unit with an anti‑ static vacuum. ASUS Motherboard installation guide...
  • Page 44 Tips If your computer will not be used for a long time, put some desiccant moisture absorbers in the chassis to prevent humidity damage. In some hot and humid climatic areas, you had better turn on your computer every other week. Doing so also helps prevent humidity damage. Chapter 4: Computer care tip...
  • Page 45 Tips Computer care tip...

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