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  1. #1
    ROG Member Array
    Join Date
    Oct 2017

    Updated Bios, RAM instability

    Hi All,

    I had a stable system for ~2 years. I was an early adopter of Z370 boards when 8700k first launched.

    I was recently motivated to Update all my SW, drivers, bios, etc.

    It appears that after upgrading my bios I am having some RAM instability...
    (I got a few crashes here and there, and after seeing a "Memory Error" crash, I have been running Memtest64 overnight and it crashes).

    I went from a very old bios (i.e. probably around 0430) to the latest 2401.

    I was just using XMP enabled. (I will test with XMP disabled to verify stability at stock).

    I have 4x8Gb LPX Corsair Vengeance, CMK16GX4M2B3200C16W (DDR4-3200 C16)

    Can anyone provide some basic troubleshoot points?
    I thought XMP DDR4-3200 with Intel CPU was pretty stable by just enabling it... It certainly was pre-bios update.
    I know RAM can get fairly complicated when manually touching timings, which I have never done...

    My system:
    CPU: 8700k
    RAM: DDR4-3200 4x8Gb
    GPU: 1080 TI
    SSD: 970 Evo
    PSU: Seasonic 850W
    Motherboard: Z370-e

    Regarding CPU Overclock, I had a measley 1.27V Vcore / 4.8GHz turbo overclock...
    It was stable @ 1.26V pre-bios update, but I gave it some extra juice just incase.
    I don't think there is an issue with the overclock since Mem64 is failing. (With time I'll do some prime95 tests to verify).

  2. #2
    ROG Member Array hasteveha PC Specs
    hasteveha PC Specs
    Memory (part number)F4-3200C16D-16GTZB
    Graphics Card #1GIGABYTE GeForce GTX 1080 XTREME Gaming Premium Pack Video Card
    MonitorAcer Predator XB271HU
    Storage #1SAMSUNG 950 PRO M.2 512GB
    CPU Coolerbe quiet! DARK ROCK PRO 3
    CaseFractal Design Define R5 Blackout Window
    Power SupplyEVGA 120-G2-1000-XR 80 PLUS GOLD 1000 W

    Join Date
    Jul 2016

    I have been having issues with ram since the last 2 updates. See if you can flash to 2 versions back.

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