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Help overclocking F4-4000C19D-32GTZR on asus maximux XI extreme with i9 9900k

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  • #61
    very good!

    you need:

    HWiNFO64 for sensor monitoring (load of mem controller, voltages (vcore, vccsa, vccio, vdim), temperatures (voltage regulators on your board, ram sticks temperature), wattages ...
    CoreTemp for simply CPU core temperature and wattage monitoring
    Aida64 for benching your RAM (latency & bandwith) [use google for registering]
    Memtest (to create mem controller load for stressing and stability check)

    Prime95 for stressing cpu, cpu&ram&uncore, testing avx & fma3 impact
    (use newest version, you can activate and deactivate AVX & FMA3 this way:
    edit local.txt in the prime folder and add following lines to disable:
    -> you can test now with or without AVX & FMA3, =1 means enabled)

    maybe linx, good tool for checking long term cpu/ram

    corona benchmark for comparing your build with other i9 9900k CPUs


    in your case:

    so we aim for 1:30
    Last edited by hq-hq; 01-12-2019, 10:03 AM.


    • #62
      in the first step i would check if cpu without oc and ram @ 4133@XMP Profile is stable

      for a quick check you can open 8x memtest, set each to 2000mb and start them, let them all run to 100% and check the physical memory load in HWiNFO64 - should be 80-90 % (in my experience that is enough to be sure your games will not crash, countercheck with linx it should run at least 15minutes without error, better is 30min)
      hardcore check is 16x memtest each 1800mb and physical memory load ~99% an let it run to 200%

      and post your memory benchmark scores with aida64 [ Tools / Cache and Memory benchmark ]


      • #63

        This is the HWiNFO64 results of the pc how it is right now

        This is while I am running video conversion and downloading
        Last edited by marcolisi; 01-12-2019, 08:10 AM.


        • #64
          ah, ok,

          so let`s check the data:

          CPU Clock = 4.7GHz allcore (never drops so i think AVX offset = 0)
          Uncore = 4.3GHz

          As i can see at ~74% cpu load:
          CPU max temp = 87C ( no water cooling ?)
          CPU package power = 148Watt ( no TDP limit in bios active )
          VCore @ high (not full) load = ~1.25V ( i would say a small "overvoltage" (above stock) from the board maybe because of AVX offset=0 )

          DRAM Voltage = 1.4V -> ok (you can go to 1.45v without risking anything, some would say till 1.5v)
          VCCIO 1.30V -> very high! ( we should reduce it)
          VCCSA 1.40V -> extreme high! (we should reduce it)

          DRAM Temperature = ~40C -> good

          hm, i think you don`t have much headroom for OC and higher cpu voltage,

          first we should get the VCCSA and VCCIO voltage a bit down,
          so please try

          VCCIO = 1.25V
          VCCSA = 1.35V

          if it is working please go a bit lower to

          VCCIO = 1.20V
          VCCSA = 1.30V

          and check then with 8x memtest till 100%

          lowering these voltages can lower your cpu max temp a little bit
          Last edited by hq-hq; 01-12-2019, 09:40 AM.


          • #65
            if you are sure that 4133MHz @XMP Timings are running well, we can try to get higher RAM OC and CPU OC, i would say CPU is more easy so let`s start here:

            AVX offset = 0

            i have it at zero too, AVX workload needs always higher voltage, that is why most people use AVX offset >0 with coffee lake CPUs
            let`s say 1.30V VCore @ 100% Load is good for 5100MHz allcore but at high AVX workload you need to lower your clockspeed to 4900MHz
            so you set AVX offset = 2 (51x 100MHz @ standard // 49x 100MHz @ AVX)
            i don`t like to see my cpu downclocking, so i have 5200MHz and AVX offset = 0 but i need to use higher voltage...
            that is your decision what you want, i would say use AVX offset = 0 ( for video encoding x264 x265 avx performance is important for you )
            so you need to check stability with avx workload at desired OC clockrate

            you can use prime with CPUSupportsAVX=1 and ycruncher (my favourite) too

            y-cruncher use benchmark, multicore and 2,500,000,000 (will run up to 3 minutes) and while it is running log your sensor data please

            prime - please don`t use small fft

            do it like this
            and if you like read the article

            Last edited by hq-hq; 01-12-2019, 09:43 AM.


            • #66
              so one more thing, cpu load-line calibration, asus uses from level 1 to 8

              standard LLC means let`s say 1.20V at low cpu load (not zero) and 1.10V at full load
              for oc it is better to use LLC where you have (example) 1.20V at low load and 1.16V at full load
              maybe your bios gives you some explanation, i think LLC lvl 8 = flat line means you set 1.25V VCore you get 1.22V at low load and 1.22V at full load
              this is ok if you stay away from 1.40V VCore, so i think with soft oc up to 4.9GHz you can use LLC 5-7, maybe LLC 7 with a small voltage drop

              you can test VCore @ 1.30V in bios and use a LLC which has a small drop - LLC 7 would be great
              then let`s start with 4.9 GHz and check stability with prime/ycruncher ( let`s hope your cooling can handle real 1.25V and 4.7-4.9 GHz @ full load ) and log the sensors please - if you can see core temps like 95C you need to reduce voltage. You can`t burn the cpu, it will throttle down at high temperatures. Maybe 1.5V VCore and >90C will kill it over time)
              Last edited by hq-hq; 01-12-2019, 09:54 AM.


              • #67
                How do I use memtest?

                does it run In windows ?


                • #68
                  For Vccio and vccsa, they were set to auto. So I think you saw those high value because maybe the values change based on the usage of the pc? Higher use of the pc, higher number ? Could that be a possibility?

                  I have set these now:

                  VCCIO = 1.20V
                  VCCSA = 1.30V

                  and the pc boots


                  • #69
                    As for cooling, I do not use water cooling. I have the noctua nh-d15


                    • #70
                      Please bare with me because this is all new to me. Most of what u are saying is like a different language for me.

                      what do you want me to do next?

                      What should I set for 4.9 GHz and start the first testin with prime/ycruncher ?

                      I installed ycruncher. Where do I set the options of your screencap?
                      The program asks me this


                      • #71
                        memtest will run on windows 10,

                        i give you an example picture (i have six cores 12 threads, i use 6x memtest for high load stability test and 12x memtest for extreme load stability test -> you have 8 cores so you can check with 8x or 16x)
                        Attached Files
                        Last edited by hq-hq; 01-12-2019, 10:16 AM.


                        • #72
                          ycruncher pic

                          the picture "run a torture test" is from prime


                          • #73
                            run "7" 2.500.000.000

                            i assume your noctua can handle that @ 1.25V (real, measured) VCore [could be you need to set 1.300V in bios to get 1.25V in real]
                            Last edited by hq-hq; 01-12-2019, 10:39 AM.


                            • #74
                              1. reduce vccio vccsa and check stability with memtest
                              2. OC to 4.9GHz allcore (CPU Core ratio), set 1.30V VCore and LLC to 7, check stability with prime95/ycruncher(avx load) and log with HWiNFO temps (temps should stay below 90C, this is an extreme load for your cpu, games and your video encoding will have lower load and lower temps... if you have some peaks up to 94C is ok) reduce voltage with 0.025V steps and check stability with prime/ycruncher - if 4.9GHz is not stable reduce to 4.8GHz and try to lower voltage with 0.025v steps [ 1.300V first, 1.275V second test, 1.250V third test... ]
                              3. set VDIMM to 1.45V, OC RAM to 4200MHz - if ok, to 4266MHz (could be that this will be the max RAM OC) and check stability with memtest
                              4. set Uncore clock (Cache frequency) to 4700MHz and check with linx or memtest, test it till 4900MHz (could be that will be the max Uncore (cache and memory controller) OC)
                              5. lets check & lower secondary and tertiary timings for better performance and check stability with memtest (improvement can be checked with aida64extreme chache and ram benchmark)
                              Last edited by hq-hq; 01-12-2019, 11:17 AM.


                              • #75
                                Sorry. Missed the post above
                                Last edited by marcolisi; 01-12-2019, 05:31 PM.