In great frustration, we have worked on this issue and similar directly wtih Intel for the past 2 months and found a temp solution for the time being until Intel starts shipping the DX79TO and DX79SI boards with the 0430 rev of the bios. The 0281 is a disaster.
The problem started off having to do with the i7 3820 and the DX79TO baords only. Now it has extended to the DX79SI and 3930k as well. They know they have a large issue on their hands here to the point wehre they have suspended all RMAS on all DX79 and LGA2011 CPUs as of this week. This came from L2 support as they were getting so many RMA requests on a daily basis...something we told them would happen 2 months ago but it fell on deaf ears.
We ruled out every possibility including ram, video cards, power supply you name it. Comes down to the boar and CPU combination.
The Problem: System goes into reboot cycle or shuts down over an over again. LED shows either 00 or 60. Usually 00 but when we put the single ram stick in the second slot vs the first...we get 69. Either way it does not work.
The workaround for now is that you have to update to the 0430 rev of the bios. DO NOT use the new 0453 it is faulty and they said it would soon be removed from the site or replaced. The 0430 is the only cure for now.
Also...the standard back to BIOS or jumper 2-3 will NOT work. The only way it accepts the BIOS upgrade is via the USB iflash method. (copy the .BIO 0430 to a USB flash drive 2g or less).
Any questions drop them here I will see if I can help.
Thank you for valuable post.
Unfortunately in my case,
even after I went back bios 0430,
The problem is still going.
In my case, it seems coming from memory modules...
Because I have tried this 4modules set with one-by-one (= only single module insert to DX79SI and tried to boot ),
I could found the suspected one of 4module causing the problem.
I am now requesting corsair to change modules atleast one pair of 4....
Will report what will going.
Thanks again for your very valuable information.!!
Takkun---glad you were able to pin it down to your memory. Also the 0460 BIOS update you did probably helped. NOTE the 0453 (inbetween the 0430 and 0460) is no good do not install. Intel told me they have an issue with that one and they may pull it from site. 0430 or 0460 only. The older 0281 version initially released wtih the board is a disaster stay away from that one at all costs. We are having to update bios on out of the box boards before they can be used. Until Intel starts shiping these boards with at least the 0430 BIOS the issue will continue.
Regarding memory, i have not had that issue usign Kingston HyperX modules and i am not overclocking. I will post any new findings but for not the DX79SI and TO using the 0460 BIOS is working well for me.
Badaz06---yeah i know i was just answering a question someone asked me. For me it was totally a bios issue for sure. I tried 5 different make/models of ram with the same results. As soon as I update the BIOS from 0281 to the 0430 it resolved it.
Also comment on your previous post regarding intel having nothing on the 69 error i could not find anything either. What I did find was reference to the hang issue in the release notes of the 0460 (rev 3.27.12). See it here. http://downloadmirror.intel.com/21118/eng/SI_0460_ReleaseNotes.pdf
I would like to point out again that if anyone gets a DX79SI or TO board with the 0281 BIOS update it right out of the box to the 0460 (skip over the 0453 it has issues. 0460 has worked across the board with our customers in all instances, particularly if you plan to use the 3820 CPU.
Thanks very much NTI and others!!!
Had oldest BIOS version on my DX79SI (MB dated Feb 2012) With i7-3820 it shut down right after memory test (about 5th sec)
To solve this I bought cheap 2Gb flash; copy bios v.0460 to it; bought very expensive i7-3930K (about 585USD for oem in my country); updated bios with it; returned i7-3930K next day to vendor (with money-back :)))
it works now with i7-3820 and different memory!
Btw. everyone can do mistake. But it's sad Intel has business model when they cannot help customers like for instance car companies call back some models to fix issues. I did a call to Intel they advised to talk to MB dealer but it's just a small trade company which cannot update bios and has no 3930 in their stock.
Thanks for the post! This was very useful for me. I run into the same problem and I upgraded the BIOS to 0460. All seems fine now. Personally, I don't really like this MOBO as I used to have AUS RoG MOBO's. I was given one to test. Otherwise, I would not recommend this MOBO to anyone who can effort to get a good one.