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BIOS Functionality

In our Gigabyte G1.Sniper 3 mainboard review we pointed out a number of changes compared with the first version of Gigabyte 3D BIOS. The new revision of Gigabyte 3D BIOS not only looks different, but has undergone significant modifications in the feature aspect as well.

In particular, we have already pointed out that since all the important voltage parameters are gathered on the one tab available in “3D Mode”, it would be very convenient to also allow adjusting them here without the need to switch between multiple pages of the “Advanced Mode”. However, in the beginning they didn’t even have the parameter that would allow adding a specific value to the nominal processor voltage. Later on they introduced this parameter, but it didn’t work correctly. Now this parameter is fully operational in the BIOS of Gigabyte GA-Z77X-UD5H-WB WIFI mainboard.

However, things haven’t yet changed for Gigabyte GA-Z77X-UD3H and this parameter doesn’t work yet, though the “template” for it is there already.

This seems to be the only significant difference between the BIOS functionality of the two mainboards: the list of available parameters and their supported adjustment intervals are the same in both cases. Therefore, we are going to talk about the BIOS functionality using the Advanced Mode of the Gigabyte GA-Z77X-UD5H-WB WIFI mainboard as an example.

When you switch to the “Advanced” mode, you get into the “M.I.T.” (MB Intelligent Tweaker) section, which contains all parameters related to overclocking and performance optimizations. The section main screen only lists all sub-sections and reports the basic system data.

Then we see a purely informational “M.I.T. Current Status” sub-section telling you the current operational parameters of the system.

The “Advanced Frequency Settings” sub-section allows you to adjust frequencies and multipliers and there are special informational parameters that will keep you posted about the changes you are making.

The settings dealing with processor technologies, detailed adjustment of the CPU clock frequency multiplier and power-saving modes are singled out onto a separate page called “Advanced CPU Core Features”.

“Advanced Memory Settings” sub-section allows you to fine-tune the memory sub-system.

Parameters controlling numerous memory timings are all on separate pages. You can set the timings simultaneously for both memory channels or individually for each one of them.

“Advanced Voltage Settings” sub-section allows you to work with different voltages that are all grouped into three separate pages.

There are a few new parameters in the “3D Power Control” page, which appeared due to the introduction of “3D Power” technology. Now you can set the operational mode for the processor voltage regulator, adjust the level of Vdroop counteraction under heavy load and change a lot of other options right in the BIOS.

The voltages in different parts of the processors can be changed on “CPU Core Voltage Control” page. The CPU Vcore may be locked at a certain value or you may also add a certain value to the nominal setting.


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