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since 0x129 microcode BIOS update: not stable with XMPII RAM profiles (PRIME95)

Gurgeh
Level 9

 

This is more for general community awareness rather than engaging in fault finding but:

Since applying 0x129 microcode BIOS update 2503 08/08/2024) for ROG Z790E Gaming WiFi (1st edition) with intel 13900K Then with all loaded optimised defaults + XMPII profile (Corsair CMH32GX5M2B6400C36 , 2x16GB sticks) , PRIME 95 blend tests fails very easily/quickly. NB: It has been about a year since I last ran these, but I was thorough back then.

All defaults (no XMP) seems stable running for about 20mins far.

Comments welcome. Speculation welcome. Fix suggestions welcome also (I've not got a clue how to approach RAM config timing issues, however, I may not be doing any testing any time soon)

I'm happy to provide more info and answers questions as and when I can though.

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71 REPLIES 71

Daniel_DGPL
Level 7

Does some on have problem during booting? With new bios in cold start my matherboar posting "b4" error on q-code display and system not booting. 

Wonder if that's a USB issue. You might unplug all USB devices except keyboard and mouse and see if that helps. Worth a try.

MZ790AE Bios 1703, GSkill F5-8400J4052G24GX2-TR5S, 14900KS, EKWB D5 TBE 300, Seasonic Prime TX-1600 ATX 3.0, Asus Strix 4090 w/ HK block, Phanteks Enthoo Elite, Asus Claymore 2, Asus Gladius 3, Asus XG349C, Crucial T705, Windows 11 Pro