ASUS M3A78-EMH HDMI User Manual

ASUS M3A78-EMH HDMI Motherboard manual cover

Pages 100

Year 2008

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ASUS M3A78-EMH HDMI Motherboard Specification

The ASUS M3A78-EMH HDMI motherboard is designed to support AMD socket AM2+ multi-core processors with dual-channel DDR2 memory architecture, providing an efficient platform for high-performance computing. The motherboard is based on the AMD 780G chipset, which integrates ATI Radeon HD 3200 graphics with DirectX 10 support, offering robust onboard graphics capabilities suitable for multimedia applications.

It features a micro-ATX form factor, ensuring compatibility with a wide range of cases and providing flexibility for various build types. The motherboard supports up to 8GB of DDR2 memory across its four DIMM slots, catering to the needs of users requiring substantial memory capacity for multitasking and demanding applications. For expansion, the M3A78-EMH HDMI includes one PCI Express x16 slot, two PCI Express x1 slots, and one PCI slot, enabling users to enhance their systems with additional graphics cards, sound cards, or other peripherals.

Storage options are diverse, with support for up to five SATA 3Gb/s devices and a single ATA133 interface, facilitating the connection of multiple hard drives or optical drives. Networking is handled by an integrated Gigabit Ethernet controller, ensuring fast and reliable internet connectivity. The motherboard is equipped with an HDMI port, allowing for high-definition video and audio output, making it suitable for home theater setups. Additional connectivity options include DVI, VGA, and a suite of audio ports powered by the Realtek ALC883 audio codec, delivering high-quality 8-channel audio output.

The ASUS M3A78-EMH HDMI motherboard also includes ASUS proprietary features such as Q-Fan for quiet fan operation and AI NET2 for network diagnostics. These features enhance the overall user experience by providing efficient cooling management and network troubleshooting tools.

ASUS M3A78-EMH HDMI Motherboard F.A.Q.

How do I update the BIOS on the ASUS M3A78-EMH HDMI Motherboard?

To update the BIOS, download the latest BIOS file from the ASUS support website. Use the ASUS EZ Flash utility in the BIOS setup to update it. Ensure that you have a stable power source during the update process to avoid any interruptions.

What should I do if my ASUS M3A78-EMH HDMI Motherboard does not power on?

First, check the power connections to the motherboard. Ensure the 24-pin ATX power connector and the 4-pin CPU power connector are securely connected. Verify that the power supply is working and providing adequate power. If the issue persists, try resetting the CMOS by removing the battery for a few minutes.

How can I enable dual-channel memory mode on this motherboard?

To enable dual-channel memory mode, install two identical memory modules in the same-colored DIMM slots (either both in the blue slots or both in the black slots). This configuration will automatically enable dual-channel mode if the memory modules are compatible.

What are the supported CPU types for the ASUS M3A78-EMH HDMI Motherboard?

The ASUS M3A78-EMH HDMI Motherboard supports AMD AM2+/AM2 processors, including the AMD Phenom II, Phenom, Athlon 64, Athlon 64 X2, and Sempron processors. Ensure that the BIOS version supports your specific CPU model.

How do I connect the front panel audio to the ASUS M3A78-EMH HDMI Motherboard?

Locate the front panel audio header on the motherboard, usually labeled as AAFP. Connect the front panel audio cable from your case to this header, ensuring that the pin alignment matches the connector's layout.

Why is my system not displaying video output with the ASUS M3A78-EMH HDMI Motherboard?

Ensure that the monitor is connected to the correct video output (HDMI, VGA, or DVI). Check that the monitor is powered on and set to the correct input source. Verify that the graphics card (if installed) is properly seated and connected. If using onboard graphics, ensure that the BIOS settings are configured to use them.

How can I clear CMOS settings on the ASUS M3A78-EMH HDMI Motherboard?

To clear CMOS settings, turn off the computer and unplug the power cord. Remove the CMOS battery from the motherboard for about 5 minutes. Reinsert the battery and plug in the power cord, then power on the system. This will reset the BIOS to default settings.

What are the RAID configuration options available on this motherboard?

The ASUS M3A78-EMH HDMI Motherboard supports RAID 0, RAID 1, and RAID 10 configurations. To set up RAID, enter the BIOS and configure the SATA mode to RAID, then use the RAID configuration utility during boot to set up the desired RAID array.

How do I install additional case fans on the ASUS M3A78-EMH HDMI Motherboard?

Identify available fan headers on the motherboard, typically labeled as CHA_FAN. Connect the case fan's power connector to one of these headers. If additional headers are not available, consider using a fan hub or a Molex adapter to power the fans directly from the power supply.

What should I do if the USB ports on the ASUS M3A78-EMH HDMI Motherboard are not working?

First, ensure that the USB ports are enabled in the BIOS settings. Try updating the chipset drivers from the ASUS support website. If the issue persists, check for any physical damage to the ports. As a last resort, consider resetting the BIOS to default settings.