Asus M4A78T-E AM3 motherboard

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For enthusiasts, the options available within the BIOS can make a good board, a great one. The ability to manipulate frequencies, voltages, and fan control settings vary depending on the hardware and the amount of trust placed in the user's hands by the manufacturer.

"Ai Tweaker" menu with maximum values entered.

The Ai Tweaker menu is unintimidating with plenty of options. Ample CPU, chipset and DRAM voltage and frequency settings are available and with an unlocked CPU, the multiplier can be increased to an insane level.

"Hardware Monitor."

The Hardware Monitor section displays three fan speeds, and has three different settings for the CPU and Chassis fans: Silent, Optimal and Performance.

BIOS Summary
CPU Frequency
200 to 600MHz
CPU Voltage
0.8000V to 1.7000V in 0.0125V increments
Memory Frequency
800MHz, 1067MHz, 1333MHz, 1600MHz (may depend on CPU)
Memory Timing Control
Memory Voltage
1.50V to 2.50V in 0.02V increments
Northbridge Voltage
1.30V (default) to 1.60V in 0.02V increments
Southbridge Voltage
1.20V (default) to 1.35V in 0.15V increments
Integrated Graphics
VGA Core Clock
150Mhz to 1500Mhz (500MHz default)
Memory Options
UMA, SidePort, UMA+SidePort
UMA Frame Buffer
32MB, 64MB, 128MB, 256MB, 512MB
SidePort Clock Speed
1066MHz, 1333MHz, 1400MHz to 1700MHz in 30MHz increments
SidePort Voltage
1.50V, 1.60V
Fan Control
Performance, Optimal, Silent
Chassis Q-Fan
Performance, Optimal, Silent

Overall, there's plenty in the BIOS to satisfy almost everyone, including those who wish to tinker with the onboard graphics.

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