Well i already tried 4,1,0 sticks. No change. With or without gpu still no change. Gpu has always been top slot though.

Avenger411
I can see that there’s a red led lit up. It’s the vcc one right under the led display.

Ya I think that is normal, you may have a dead board or CPU now.

I have same motherboard x299 dark and same i9-10900x with post code DF.

Avenger411
Oh i hope not. That would be unfortunate. Should i move this post somewhere else in the forum ?

No, just keep the thread going here

Aw man same copy paste story here. I was trying to find a cheap 7640x to get in, do the bios upgrade and switch back. But i can’t find any... Not even sure if it’s the correct course of action anyway.

Yes exactly. If i had know that i would’ve to go through all this trouble i would’ve taken a different course of action or even product. Anyways, i’m glad you called them today! I was waiting monday to call them, didn’t even think they’d answer on a sunday. Tomorrow i’ll try to get to a computer repair shop close to home and see if they can « lend » me a 2066 proc so i can update the bios for the 10900x. Thing is that HEDT platforms aren’t THAT popular because there are more cost effective alternatives (but those don’t fit my situation hence why i got the 10900x/x299 dark).Initially they should ship their board with the newest bios but that would be so much man hours. Anyways, pointing fingers will get me nowhere right now. We’re in the same boat you and i and potentially more people soon. So i’ll update tomorrow if i’ve been able to get a hold of a 7640x to proceed with the bios update (1.19) and see if the 10900x can pick up from there. Otherwise i’m stuck. Like no solution besides sending the board to evga stuck :(

Oh that would be great.

vegajf51
EVGA should have included bios flashback flashback on a motherboard this nice. I know Intel tends to require new boards all the time but on the AMD side all the nicer boards can be updated via USB flashdrive without Cpu or ram installed.

I actually thought it did have it until you guys mentioned it, every other X299 board I have has flashback on it lol.  Usually only low end 100 dollar boards don't have it these days.

EVGA will make it right.  just give them a day or two.

I’m pretty sure they will, they have excellent customer service. It’s just an oversight that’s all.

So... bad news.. NO ONE has a spare 2066 cpu to lend or to use to troubleshoot. I inderstand that the HEDT market is a « niche » product but still repair centers should at least have one :(. I’ll try to find a friend that has a 2066 and willing to waste his time to undo his setup. Will update this thread eventually... At least if i knew it would fix the problem 100% i wouldn’t be this mad.

Thinking the same. Did you get the MiR ? Thought it was a good deal. 100$ off for this mobo felt like i couldn’t pass.

Ah yes! I remember thinking wow this kid is going to have one hell of a system ;)

Also i got news! A friend has a 9900x on his build. He and i will meet thursday to make the swap and see if i can get this board to boot! I’ll put the result here in this thread! If it doesn’t work it’s RMA time. Let’s hope the 9900x is « natively » supported by the vanilla bios. Otherwise i’ll be in the same sinking boat. Meanwhile, if you receive the bios chip do you mind telling us if it worked ?

Cheers! Your kid will be very happy once all of this settles and when he’ll be powering this beast for the first time!

Wow that’s alot of EVGA! Yea i’m sure they will fix it. They told me they’d send the chip (when i’ll ask) with usps. From experience this will take around 5-9 days since i’m on the eastern seaboard. Cannot wait that long. It’s been around 5 days as of this writing and i had stuff to do that i pushed back but i can’t push it back to next week. Hopefully this will fix it.

That build though... quite powerful :)

Hello if you have an EVGA X299 Motherboard and if you are getting Post Code 'df' with the new CPU's, please contact EVGA support and we can have a BIOS chip with the most up to date BIOS flashed onto it. That will help the board get up and running. If you own an EVGA X299 Micro2 motherboard (121-SX-E296-KR) a RMA will need to be set up as that particular board does not have a removable BIOS chip.

Our email would be support@evga.com or contact us via phone at 1.888.881.3842.

Make sure to have your motherboard registered to your EVGA account otherwise, you can register the motherboard here https://www.evga.com/support/register.asp