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BIOS Functionality

When we power on the board we usually see a startup image. If you disable the startup image, you will see the mainboard model name, BIOS version, current processor and memory frequencies and the list of hot keys.

You need to press F9 to launch a boot-up menu, and F12 will open the BIOS updating utility.

In our Biostar TZ68K+ review we already discussed the interface of the Biostar UEFI BIOS. Overall, everything we said back then is true for the Biostar TA990FXE mainboard, too, although there still are a few distinguishing differences. When you enter the BIOS you get to the “Main” page, as usual. However, the list of BIOS sections has been shifted to the bottom of the screen for some reason. Although the text is also duplicated as icons and the name of the current section is highlighted.

The functionality of sub-sections in the “Advanced” section can be easily guessed from the sub-section names.

First let’s check out the “CPU Configuration” section, where we can find basic information about the system processor and configure some processor technologies. You notice immediately that C1E is disabled by default and there is no HPC Mode parameter, which should prevent the CPU frequency from dropping under heavy load.

The “SMART FAN Control” sub-section allows us to select one of the preset fan modes for the CPU fan: Quiet or Aggressive. You can also adjust the settings manually, if you wish. It is very convenient that the system allows you to calibrate the fan first to make sure that the settings are what they say they are. Only the processor fan speed can be adjusted, although unlike the Biostar mainboard for Intel processors, this one also supports three-pin fans. Unfortunately, the rotation speed of two other fans cannot be adjusted in any way.

“PC Health Status” section reports current voltages, temperatures and fan rotation speeds.

“Chipset” section includes three sub-sections: “North Bridge”, “South Bridge” and “Onboard Device”. It allows configuring the SATA ports, enabling and disabling USB, audio, network and FireWire controllers.

“Boot” section allows configuring startup parameters: prompt timeout length, startup logo display, boot-up devices order, etc.

Despite a lot of information you see in the “Security” section, the only thing you can do is set the user or administrative password.

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