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Gigabyte X79-UD3 1.0 support for E5-2670 v2
#1
Hello all,

I have an X79-UD3 Rev 1.0 motherboard (https://www.gigabyte.com/Motherboard/GA-...-rev-10#ov) currently running with an i7-3820 on F20 bios which was released on 2014-03-20 (https://www.gigabyte.com/Motherboard/GA-...rt-dl-bios).
Recently I purchased a Xeon E5-2670 v2 (10c20t, 2.5GHz base) (https://www.intel.co.uk/content/www/uk/e...tions.html), but discovered that it is not supported natively. When installed into the motherboard, it boot cycles.
However, the F20 bios works with the more powerful E5-2680 v2 (10c20t, 2.8GHz base), both have a TDP of 115W, the same bclk, 25MB L3 cache, both were released on 2013-09-10. So would it be possible to edit the bios to add support for the E5-2670 v2?

System specs:
Mobo: Gigabyte X79-UD3 1.0
RAM: 2x8GB HyperX Fury 1866MHz DDR3
GPU: GTX 560Ti

Thanks!
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#2
Current BIOS already has support for Xeon E5-2670 v2 - https://browser.geekbench.com/v4/cpu/14233460
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#3
(10-14-2021, 12:08 PM)DeathBringer Wrote: Current BIOS already has support for Xeon E5-2670 v2 - https://browser.geekbench.com/v4/cpu/14233460
Hello, thanks for the reply. Everywhere that I had check didn't indicate this was possible so you're a lifesaver!
That's good news, I'll check my bios configuration and try again. Will report back with results tomorrow
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#4
(10-14-2021, 12:08 PM)DeathBringer Wrote: Current BIOS already has support for Xeon E5-2670 v2 - https://browser.geekbench.com/v4/cpu/14233460
I tested the Xeon with the F20 bios, it doesn't work. Just in case it was corrupted, I downloaded it again from the Gigabyte website and flashed it to the board using my i7. Still boot cycles in >2s after pressing the power button.

I have not found proof that the F20 works with the Xeon other than the link you sent, maybe it was modded?
Any ideas?
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#5
At first you need to test CPU with other motherboard.
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#6
I found the issue: Due to power delivery problems, the Rev 1.0 of the board does not support any v2 xeons at all. This is exclusive to the UD boards. Bummer.
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