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sergmann

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Posts posted by sergmann

  1. Please note, for Gear4 you can try different memory dive settings

    Fuzzy, for general Gear4 users
    Span, this should helps when CPU at cold, like subzero
    Ramble, if your CPU likes high VDD2, try this if can favor you.

    Flare in memory dive, improves gear2 clock and stability.

    You can also play with different "DDR Bus Response" values, it helps for some cpu´s to be more stable

     

     

    • Like 3
  2. On 3/28/2023 at 4:56 PM, passionne56 said:

    The motherboard behaviour is erratic : I use Memtest86+ to find the voltages and the timings at 8000 MT/s on my 2x16 GB 5600 Klevv kit and I rely on the Memtest errors number to find the best parameters. Many times, with the same parameters, the result can be completely different : 4 errors on the whole Memtest86+ tests on one run and on another one, many errors. I reflashed the bios x6o since I suspected a bios corruption but same result.

    In order to remove this erratic behaviour, I adjusted every memory parameter except the 2 round trip latency ones : when I enter values on Round Trip Latency(CONA/DIMM0/Rank0) and Round Trip Latency(CONB/DIMM0/Rank0) parameters, I always fail to boot. The parameters I entered are the same chosen by the motherboard (64). I disabled the round trip latency training but I cannot boot.

    Consequently, my questions :

    - how to remove this erratic motherboard behaviour ?

    - why Round Trip Latency(CONA/DIMM0/Rank0) and Round Trip Latency(CONB/DIMM0/Rank0) prevent me to boot ?

     

     

    since a few versions of intel chips it`s not longer possible to adjust RTL`s manually in memory settings. Only with different CL and frequency it´s more or less adjustable. For example, CL32 and 8k on mem you will get 59/60 or 60/60 RTL`s als long as you have activated RoundTripLatency in memory training options. In this case you`ll get tight RTL`s automatically

    And yes, it`s sometimes very hard to get 100% stable frequency for mem, because each board, cpu and mem are different. also cooling is important. As soon your memory will be warmer as before, settings are not stable.

    For stability is also sometimes necessary to adjust a little bit VCINN and the third VPP A0 voltages. 0,02v more are sometimes very helpfull ;)

     

  3. For stability are many things important. For example voltages. If you have it @“auto” check you stable voltages with Hwinfo and set it manually in bios. Same is also necessary for timings. This low tREFi you have only after loading setup defaults.

    Different CPU’s and Mem need different voltage/timings settings. Sometimes are lower voltages for SA/CPU_VDD/CPU_VDDQ better for Mem OC ?

     

  4. Have you played with Round trip latency? 
    I’ve never seen that RTL’s are different after reboot without changing something in Mem-settings.

    lower CL value is connected to RTL’s and also depends on Mem frequency. If you want higher RTL’s, disable round trip latency in memory training area and don’t leave it with “auto” settings 

    • Like 1
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