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BIOS
Though the M3A78-T is in many ways a premium motherboard, but
the presence of an IGP may limit the amount of frequency/voltage tweaking
that can be done.
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"Advanced" options with maximum values entered.
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Notable Available BIOS Adjustments
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Setting
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Options
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| CPU Frequency |
200Mhz to 600Mhz in 1Mhz increments |
| PCI-E Frequency |
100Mhz to 150Mhz in 1Mhz increments |
| Memory Frequency |
400/533/667/800Mhz (may depend on CPU) |
| Memory Timings |
Extensive options |
| CPU Voltage |
0.800V to 1.600V in 0.0125V increments |
| Memory Voltage |
1.80V to 2.50V in 0.02V increments |
| Northbridge Voltage |
HT: 1.2V to 1.4V in 0.02V
increments
Core/PCIe: 1.1V to 1.6V in 0.02V increments |
| Sorthbridge Voltage |
1.20V, 1.25V, 1.30V, 1.35V |
| VGA Core Clock |
150Mhz to 1500Mhz in 1Mhz increments |
| Video Memory Size |
32MB, 64MB, 128MB, 256MB, 512MB |
| Sideport Clock Speed |
533Mhz to 850Mhz in varying increments |
| Sideport Memory Voltage |
1.60V, 1.70V, 1.80V |
Somewhat surprisingly, the M3A78-T BIOS is one of the most liberal
we have seen for an AMD motherboard. Ample frequency and voltage options are
available including those precluding to the IGP and its Sideport memory.
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"Hardware Monitor."
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The "Hardware Monitor" menu supplies basic monitoring
of the system temperatures, fan speeds, and voltages. The board's Q-Fan fan
control system has three settings: Silent, Optimal, and Performance.
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