Be respectful, keep it civil and stay on topic. We delete comments that violate our policy , which we encourage you to read. Discussion threads can be closed at any time at our discretion. Post a comment. General Overclocking. This motherboard features a variety of detailed expert setup options that aid in overclocking and performance-tweaking.

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CPU page 25 page 26 - Installing the heatsink and fan page 27 page 28 - System. Quick Links. Download this manual. Table of Contents. Page 2 Product warranty or service will not be extended if: 1 the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or 2 the serial number of the product is defaced or missing. Page 3: Table Of Contents Special. Page 4 Managing. Page 5 Boot Device Priority Page 6: Notices Notices Federal.

Page 7: Safety. If possible, disconnect all power cables from the existing system before you add a device. Page 8: About. Refer to the ASUS contact information.

Page 9 Conventions. Product introduction Page Chapter 1: Product Introduction Green. Meanwhile it can also support the future mainstream Hybrid CrossFire Technology that significantly optimizes your 3D performance. This motherboard supports the latest PCIe 2. Page 17 DisplayPort.

This new design features a small and user-friendly connector. It delivers higher performances of resolution, refresh rate, and color depth and improves digital display connectivity. Due to chipset limitation, DisplayPort on this motherboard only supports video signals. Set the OnChip. Page 19 To wake the system and return to the OS environment, simply click the mouse or press a key.

Profile that allows users to conveniently store or load multiple BIOS settings. Page Before. This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the onboard LED. Page Motherboard. Page Placement Direction 1. Do not overtighten the screws! Doing so can damage the motherboard. Page Central. Hardware monitoring errors can occur if you fail to plug this connector.

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 heatsink fits properly on the retention module base.

Page 27 Push down the retention bracket lock on the retention mechanism to secure the heatsink and fan to the module base. Page System. Page 29 The motherboard can support 8 GB physical memory on the operating system listed below. Refer to www. Page Installing A Dimm 1. Failure to do so may cause severe damage to both the motherboard and the components. Unlock a DIMM socket by pressing the retaining clips outward.

Page Expansion. Assign an IRQ to the card. Refer to the tables on the next page. Install the software drivers for the expansion card. Page 34 Interrupt. Page Pci Slots 1. For system failure due to overclocking, use the C. CPU Parameter Recall feature. Shut down and reboot the system so the BIOS can automatically reset parameter settings to default values. Page 1. Go to Start. Playback to configure the setting.

Page 40 This port connects to an external Serial ATA hard disk drive. Page 42 IDE. Page 43 OnChip. See page for details.

Page 44 Power,. Connect the fan cables to the fan connectors on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector. Page 45 The USB 2. Page 46 Digital. Connect the HDMI module cable to this connector, then install the module to a slot opening at the back of the system chassis. Page Ieee A Port Connector Connect one end of the chassis intrusion sensor or switch cable to this connector.

The chassis intrusion sensor or switch sends a high-level signal to this connector when a chassis component is removed or replaced. The signal is then generated as a chassis intrusion event.

Page System Panel Connector Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode. You can refer to the marking on Q-Connector itself to know the detail pin definition. Page 52 Chapter 1: Product introduction Detailed descriptions of the BIOS parameters are also provided. BIOS setup Page Afudos Utility Make sure that the floppy disk is not write-protected and has at least 1.

The actual BIOS screen displays may not be same as shown. Save the BIOS file to a bootable floppy disk. Write the BIOS filename on a piece of paper. All rights reserved. Page Asus Crashfree Bios 3 Utility 2. Page 59 Restart the system after the utility completes the updating process. Visit the ASUS website at www. Page Asus Ez Flash 2 Utility 2. Page 62 Updating. Page Bios. Page Bios Menu Screen The BIOS setup screens shown in this chapter are for reference purposes only, and may not exactly match what you see on your screen.

Page Navigation Keys 2. Use the navigation keys to select items in the menu and change the settings. Some of the navigation keys differ from one screen to another. Page Main. Main Advanced Main Settings Configuration options: [Auto] [0] [1] [2] [3] [4] DMA. Configuration options: [Auto] [Disabled] [Enabled] 32Bit. Configuration options: [Disabled] [Enabled] 2. Page System Information OnChip. Page Advanced.


ASUS M3A78-EM User Manual



ASUS M3A78-EM - motherboard - micro ATX - Socket AM2+ - AMD 780G Series Specs


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