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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.
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"MB Intelligent Tweaker" — maximum voltage and frequencies
displayed.
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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.
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Notable Available BIOS Adjustments
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Setting
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Options
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| 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.
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"PC Health" menu.
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