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MSI P7N2 Diamond 790i Motherboard - BIOS and Overclocking

It seems like the 790i chipset is finally getting around. Today we have MSI's non-reference home grown version.

| Socket AM3/AM3+ in Motherboards | Posted: Jun 28, 2008 4:00 am
TweakTown Rating: 92%Manufacturer: MSI

BIOS

 

 

Moving into the BIOS; MSI uses American Megatrends BIOS which they have used on just about all of their boards for the last five years. AMI's BIOS has picked up so far that it's no different in setup to Awards ver6 BIOS. As usual, MSI has its overclocking settings under the Cell Menu.

 

 

Buses

 

FSB Clock: 400 - 2500 in 1MHz Increments

 

DRAM Clock: 400 - 1400 in 1MHz Increments

 

Adjust PCI-E Clock: 100Mhz to 200MHz in 1MHz increments

 

MCP PCI-E Clock: 100Mhz to 200MHz in 1Mhz increments

 

Voltages

 

CPU Voltage: +0.01250v to +0.3875v in 0.01250v increments

 

DRAM Voltage: 1.5v to 2.5v in 0.05v Increments

 

SB Voltage: 1.5v to 2.0v in 0.05v Increments

 

NB Voltage: 1.2v to 1.6v in 0.05v Increments

 

PCI Expander PLL Voltage: -63 to 80 in Various Increments

 

DIMM reference Voltage: -63 to 80 in Various Increments

 

Memory Terminator Voltage: -63 to 80 in Various Increments

 

CPU GTL Reference Voltage: -63 to 80 in Various Increments

 

NB GTL Reference Voltage: -63 to 80 in Various Increments

 

FSB Termination Voltage: -80 to 63 in Various Increments

 

SB Sleep Mode: -63 to 80 in Various Increments

 

Overclocking

 

With all the overclocking options in the BIOS, we managed to hit a healthy 561MHz FSB, which is slightly faster than the ZOTAC board, but we again had to tweak all the voltages since the 790i SLI is a very power hungry unit and generates quite a bit of heat.

 

Important Editor Note: Our maximum overclocking result is the best result we managed in our limited time of testing the motherboard. Due to time constraints we weren't able to tweak the motherboard to the absolute maximum and find the highest possible FSB, as this could take days to find properly. We do however spend at least a few hours overclocking every motherboard to try and find the highest possible overclock in that time frame. You may or may not be able to overclock higher if you spend more time tweaking, or as new BIOS updates are released. "Burn-in" time might also come into play if you believe in that.

 

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