PC

My X299/skylake-x system often takes a few tries to successfully boot on cold boots. Any ideas what I could change in my UEFI setting to fix?


LINK TO IMGUR ALBUM WITH ALL UEFI SETTINGS

On cold boots (where the system has been sitting powered off for a while), my system will frequently fail to boot (I never get to the post screen and then I have to hard restart it) once or twice before successfully booting. On rare occasion this happens on a warm boot (i,e, a restart), but happens much more frequently (at least half the time) on cold boots.

Im not 100% sure, but I have a sneaking suspicion that it is a memory training issue. The system is running 128 gb of memory (8x dual-rank 16gb sticks) with fairly well-tightened primary and secondary timings. Its samsung b-die, but thats still a lot of load for the IMC, especially with tightened timings.

Its worth noting that after it does boot the system works flawlessly. Ive run it through several different stress tests and has passed them all with 0 errors.

Any ideas of what setting i could change (with minimal/zero impact on system performance or stability) to make it boot on the 1st try every time?

Thanks in advance.

2 Comments

  1. _therealERNESTO_

    Use more aggressive training settings (disable memory fast boot, enable all training related stuff) and try to clean the ram. Use some q-tips with alcohol and rub the contacts. It might seem strange but it has saved me on multiple occasions.

  2. BugDirect4380

    just commenting so i can follow this, very curious to see peoples answers. friend of mine has had an absolutely dogwater 7800x msi x299 sli plus setup for years now. it would always fail to train from cold whenever XMP was enabled, even at just 3000 with 4 dimms. we could never figure it out and so left it at JEDEC for most of its runtime. eventually i said fuck it and threw another 4 dimms in there for an absolutely cursed mixed bag 8 dimm setup and oc’d to 3800 and it actually *stopped* having any training issues at all!

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