Motherboard • Read online or download PDF • Asus M3AEM User Manual. AMI. BIOS Features. ACPI a support, ASUS EZ Flash 2, ASUS MyLogo2, ASUS O.C. Profile, DMI support, SMBIOS support, WfM support. Manual. Get Asus M3AEM Motherboard User Guide. Get all Asus manuals!.

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No part of this manual, including the products and software described in it, may be reproduced,transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by anymeans, except documentation kept by the purchaser for backup purposes, without the express writtenpermission of ASUSTeK COMPUTER INC. Operation is subject to thefollowing two conditions: Ifpossible, disconnect all power cables from the existing system before you adda device.

About this guideThis user guide contains the information you need when installing and configuringthe motherboard. How this guide is organizedThis guide contains the following parts: Product introductionThis chapter describes the features of the motherboard and the newtechnology it supports.

This chapter also lists the hardware setup proceduresthat you have to perform when installing system components.

It includesdescription of the jumpers and connectors on the asu. Conventions used in this guideTo make sure that you manul certain tasks manul, take note of the followingsymbols used throughout this manual.

Asus Motherboard M3A78-EM User Manual

Information to prevent injury to yourselfwhen trying to complete a task. Information to prevent damage to the componentswhen trying to complete a task.

Instructions that you MUST follow to complete atask. Tips and additional information to help you complete atask. The motherboard delivers a host of new features and latest technologies, making itanother amnual in the long line m3a778-em ASUS quality motherboards!

Before you start installing the motherboard, and hardware devices on it, check theitems in your package with the list below. See page for details. See pages and for details.

Mannual isenhanced with an ACPI management function to provide efficient powermanagement for advanced operating systems. Messenger to keep in touch with friends, or quickly check on the weatherand e-mails just before leaving your house.

You can real-time change the mode under operating system to suityour needs. To wake the system and return to the OSenvironment, simply click the mouse or press a key. Profile that allows users toconveniently store or load multiple BIOS settings.

The edge with external ports goes to m3a7-8em rear part of thechassis as indicated in the image below. Do not overtighten the screws!

Doing so can damage the motherboard. Place this side towards. The CPU fits in only one correct orientation. Position the CPU above the socketsuch that the CPU corner with thegold triangle matches the socketcorner with a small triangle. Carefully insert the CPU into thesocket until it fits in place. The lever clicks on the sidetab to indicate that it is locked.


Ensure that you use only qualified heatsink and fan assembly. Follow these steps to install the CPU heatsink and fan. Place the heatsink on top of the installed CPU, making sure that the heatsinkfits properly on the retention module base. Attach one end of the retention bracket to the retention module base.

9 jumpers, Jumpers | Asus M3AEM User Manual | Page 37 /

Align the other end of the maanual bracket near the retention bracket lock to the retention module base. A clicking sound denotes that the retentionbracket is in place. Ensure that the fan and heatsinkassembly perfectly fits theretention mechanism modulebase; otherwise, you cannot snapthe retention bracket in place.

Foroptimum compatibility, we recommend that you obtain memory modulesfrom the same vendor. Failure to do so may cause severe damage to boththe motherboard and the components. Mnual sure to unplug the power cord before adding or removing expansioncards. Failure to do so may cause you physical injury and damage motherboardcomponents.

What’s missing? Tell us about it.

The photo showsa network card installed on the PCIExpress x1 slot. Turn OFF the computer and unplug the power cord. Remove the onboard battery. Move the jumper cap from pins default to pins This port connects the rear speakers in a4-channel, 6-channel, or 8-channel manuwl configuration. This port connects to an external Serial ATA hard diskdrive.

Insertone end of the cable to this connector, then connect the other end to thesignal connector at the back of the floppy disk drive. Pin 5 on the connector is removed to prevent incorrect cable connection whenusing an FDD cable with a covered Pin 5. Orient the red markings onthe floppy ribbon cable to PIN 1.

ASUS M3AEM – motherboard – micro ATX – Socket AM2+ – AMD G Overview – CNET

Connect the fan cables to the fanconnectors on the motherboard, making sure that the black wire of each cablematches the ground pin of the connector. Do not forget to connect the fan cables to the fan connectors. M3a78-rm airflow inside the system may damage the motherboard m378-em. Connect the USB module cableto any of these connectors, then install the module to a slot opening at theback of the system chassis. Connect the HDMI module cable to this connector, then install themodule to a slot opening at the back of the system chassis.

Connect one end of the chassis intrusion sensor mahual switch cable to thisconnector. The chassis intrusion sensor or switch sends a high-level signal tothis connector when a chassis component is removed or replaced.

Manial signalis then generated as a chassis intrusion event. Doing so will damagethe motherboard! You can refer to themarking on Q-Connector itself to know thedetail pin definition. Front panel functions are enabled. Detailed descriptionsof the BIOS parameters are alsoprovided. Insert a formatted, high density 1. Copy the original or the latest motherboard BIOS file to the bootable floppydisk.


Boot the system in DOS mode, then at the prompt type: The utility verifies the file and starts updating the BIOS.

Remove any floppy disk from the floppy disk drive, then turn on the system. Insert the Support DVD to the optical drive. The utility displays the following message and automatically checks m3a78-emm disk for the original or updated BIOS file. The device size should be smaller than8GB.

Doing socan cause m3a78em boot failure! Go to the Tools menu then select EZ Flash2and press. You can switch between drives by pressing before the correct fileis found.

Follow the screen instructions tocomplete the update process. Always update theutility to avail all its features. This section k3a78-em how to configureyour system using this utility. Use the navigation keys to select items in the menu and changethe settings.

Some of the navigation keys differ from one screen to another. For example, selecting Main shows the Main menu items. There is a separate sub-menu for each IDE device. Select a device item thenpress asuss display the IDE device information. Select the type of device connected to thesystem. Setting to [Auto] enables the LBA mode if thedevice supports this mode, and if the device was not previously formatted with LBAmode asjs.

When set to [Auto], the datatransfer from and to the device occurs multiple sectors at a time if the devicesupports multi-sector transfer feature. Take caution when changing the settings of the Advanced menu items. Incorrectfield values can cause the system to malfunction.

Select either one of the preset overclocking. Chipset Over Voltage [Auto]Allows you to set the chipset over voltage. Select anitem then press to display the configuration options.

Select an item then press to display the configuration options. A device enclosedin parenthesis hasbeen asuz inthe correspondingtype menu. Full Screen Logo [Enabled]This allows you to enable or disable the full screen logo display feature. Selectan item then press to display the configuration options. Not Installed to changepassword. After majual have set a supervisor password, the other items appear to asua you tochange other security settings. Selectan item then press to display the sub-menu.

Choose [PromptUser] to stay at the first screen of Express Gate for user action. F10 key can be usedfor this operation. Select ScreenSelect thePressing does not immediately exit this menu.