Articles: Mainboards

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You can fine tune the frequency settings in the Advanced Clock Control section:

CPU Clock Drive allows changing the frequency amplitude of the bus between the chipset North Bridge and the CPU, and PCI Express Clock Drive – of the bus between the chipset North Bridge and PCI-E. CPU Clock Skew and MCH Clock Skew parameters set the time shift between the processor and chipset North Bridge clocks. These are the parameter descriptions we took from the mainboard user’s manual. Now we have to figure out their practical value.

DRAM Performance Control group contains memory related settings:

Despite the name, Performance Enhance parameter hardly affects the actual performance. By default it is set to Turbo. You may set it to Extreme, but you will be able to hit the highest frequencies during overclocking if it is set to Standard. If the system is equipped with memory modules supporting Extreme Memory Profile (X.M.P.), i.e. featuring enhanced settings profiles in their SPD, they can be enabled with the help of a special parameter.

(G)MCH Frequency Latch parameter sets the bus frequency: 200, 266, 333 or 400MHz, that will determine the available memory dividers. If it is set to Auto, then System Memory Multiplier (SPD) parameter displays all existing dividers.

The letter after the multiplier indicates the bus frequency it is associated with:

  • xx.xA – FSB 266 MHz;
  • xx.xB – FSB 333 MHz;
  • xx.xC – FSB 200 MHz;
  • xx.xD – FSB 400 MHz.

You will not need to multiply the bus frequency and the multiplier yourselves. The special Memory Frequency info field will display the resulting frequency for you.

The mainboard allows changing major timing settings. it is very convenient that the resulting values are immediately displayed for your reference:


Supported range

CAS Latency Time

3 – 7


1 – 15


1 – 15


1 – 63

All additional timings are available on a separate page called Advanced Timing Control.

As you see, not all of them are here. The screenshot above shows only Channel A timings, below there are Channel B timings. Frankly speaking, functionality like that is not common for entry-level mainboards.

Finally we get to the last group within MB Intelligent Tweaker (M.I.T) section called Mother Board Voltage Control. The parameters there allow adjusting different voltage settings. All these parameters are split into groups referring to the processor, chipset and memory.

It is really cool that they have standard parameter values in a separate column, but it is a pity that the board doesn’t display the actual set voltages. The thing is that now Gigabyte mainboards also have “smart” BIOS like ASUS boards. In other words, if the CPU, chipset and memory voltages are set to Auto, the mainboard will increase them on its own during overclocking: the more you overclock, the higher will they be. However, Gigabyte’s mainboard seems to have this feature implemented more conveniently than ASUS. I was very upset that way too smart BIOS cannot be disabled on any ASUS boards, because Intel’s power-saving technologies do not work any more once the processor Vcore increases. Gigabyte did it in a much simpler way: you can set each and every parameter to a specific value or Auto, but also to Normal. In this case, the voltage will remain default, no matter how far you are trying to overclock and hence the power-saving technologies will keep working just fine. Excellent solution!

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