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BIOS

The MA78GM's advanced BIOS tweaks are housed in the poorly named "MB Intelligent Tweaker" menu. It's a bit spartan, but that's how we like it. It offers everything one needs to get the most of out of their system without getting extravagant. A few boards we've looked at in the past had a maze of settings with strange terminology undecipherable by all but the most accomplished enthusiasts.


"MB Intelligent Tweaker" — maximum voltage and frequencies displayed.

CPU frequency and voltage are given free reign with their extremes values likely never to be used. The maximum memory voltage of +0.3V (2.1V) is very low when you consider that a good number of high speed DDR2 memory kits require 2.2V to run at their specified speeds/timings. Fortunately we later found that the memory is slightly overvolted.

Notable Available BIOS Adjustments
Setting
Options
CPU/HT/FSB Speed 200Mhz to 500Mhz in 1Mhz increments
Memory Speed DDR 400/533/667/800 (depends on the processor used)
Memory Timings Numerous, various
CPU Voltage 0.8000V to 1.5500V in 0.025 increments,
1.5500V to 1.9000V in 0.05 increments
Memory Voltage Normal (1.8V), +0.1V, +0.2V, +0.3V
Northbridge Voltage Normal (1.1V), +0.1V, +0.2V, +0.3V
Video Memory Size AUTO, 128MB, 256MB, 512MB

The "PC Health" menu is also fairly straight forward. CPU and System fan control can be enabled or disabled — no target temperatures or ramp up thresholds and can be designated here.


"PC Health" menu.




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