Gigabyte GA-870A-UD3 2.0 and BIOS F5a

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Gigabyte GA-870A-UD3 2.0 and BIOS F5a

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Joined: Jul 2018
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BIOTROBIOS Offline

Junior Member

12-02-2021, 06:59 AM

Hello everyone,
I own a Gigabyte GA-870A-UD3 2.0 motherboard. With the F4 BIOS, no problem to unlock the Athlon II X3 435 to Phenom IIX4 B35. By curiosity, I have flashed the motherboard to F5 BIOS but CPU unlock is impossible with this one. So I have returned to F4 BIOS.
I have discovered the F5a BIOS on the Web but I don't know if this one is an official from Gigabyte.
So I would like to know if the F5a BIOS is really from Gigabyte (not modded). And I would like to know if CPU unlock can be activated with the F5a BIOS.
Thank you for your answers.

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