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P6T BIOS, Software And Accessories

X58 Roundup: Seven $200-300 Core i7 Boards

The P6T BIOS has a wide enough range for each setting to achieve the ultimate clock speed of nearly any processor and RAM combination, in small enough increments to allow extreme overclockers to reach component limits without exceeding them.

BIOS Frequency and Voltage settings (for overclocking)

CPU Reference Clock

133 to 500 MHz (1 MHz)

Clock Multiplier Adjustment


DRAM Ratios

DDR3-800 to DDR3-2133 (266 MHz)

PCIe Clock

100 to 200 MHz (1 MHz)

CPU Vcore

0.85v to 2.10v (0.00625v),

QPI/DRAM (CPU Uncore) Voltage

1.20v to 1.90v (0.00625v)

IOH (Northbridge) Core

1.10v to 1.70v (0.020v)

ICH (Southbridge) Core

1.010v to 1.40v (0.10v)

DRAM Voltage

1.50v to 2.46v (0.02v)


tCAS: 3-11; tRCD: 3-10; tRP: 3-10; tRAS: 3-31

CPU core voltage “droop” can be fairly significant under full CPU load, but enabling “Load-Line Calibration” helps. Unfortunately, the setting also boosts base voltage well beyond the intended setting, forcing us to set 1.4375 volts to achieve an actual 1.45 to 1.46 volts.

The P6T has a variety of memory settings that would be unfamiliar to most overclockers, and allows individual timings to be left in automatic mode.

We enable power-saving features and Intel Turbo mode for our performance and power consumption tests, but disable them for our overclocking assessment.

Asus EZ Flash 2 supports BIOS flashing from its own command prompt, eliminating the need for bootable media.

Asus O.C. Profile allows up to two custom BIOS configurations to be saved onboard as profiles, and also supports transferring these profiles externally via USB flash drives.



Documentation & Software

Motherboard Manual


Asus case badge


Motherboard driver DVD


4 x Serial ATA Cable


1 x 80-conductor Ultra-ATA Cable


1 x Quick Connector Kit


1 x I/O Panel Shield


1 x NVIDIA SLI Bridge


1 x 3-way SLIBridge

It’s hard to believe that a motherboard priced well over $200 is now considered mid-range, but the “better value” P6T comes with an installation kit typical of the middle market. The only stand-out accessory is its 3-way SLI bridge, which has questionable value when one of the slots employs x4 lane width.

Check prices for Asus' P6T

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