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EP45-UD3P e8400 overclock help

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  • #16
    Re: EP45-UD3P e8400 overclock help

    Originally posted by Chike View Post
    Try to set PLL one notch up and see if there's any change.
    Then increase vcore 1-2 notches each time and see if results are better.
    You can do this with EasyTune->Tuner->Advanced->Voltage tab, increase/decrease the value one step by clicking the triangles and then click "set" to apply.
    Note that those settings are not saved in BIOS, so after finding right settings you need to reboot and set them in BIOS.

    Could you run a memory benchmark and see what you get with it? is what I use, if you have Everest you can use it's Memory & Cache benchmark.
    Yeah I really wish I could get ET to install but I'm getting the instalation error when I try to put the new one on my system. I looked into everything and all my stuff is up to date, so i dunno, guess i'll have to stick with bios adjustments.

    Heres my mem bench.

    Motherboard: GA-EP45-UD3P v1.6 BIOS Version FD
    Cpu: E8400 Wolfdale (3.6Ghz/400x9)
    Ram:
    (2Gbx2) GSkill PC2-6400 F2-6400CL4D-4GBPI-B @ DDR-800 4-4-4-12
    Power Supply Unit: Antec NeoPower 650 Blue 650W
    CPU cooler: ARCTIC COOLING Freezer 7 Pro Rev.2 92mm Fluid Dynamic CPU Cooler (39C idle/50C load)

    Comment


    • #17
      Re: EP45-UD3P e8400 overclock help

      Ok so without easytune (I got it installed but can't change voltages, it just freezes), I just rebooted and raised the PLL by one notch to 1.57 and resulted in a gain from the 13.8 to 16.5GFlops.

      I then raised the VCORE from 1.2250 to 1.23125 and got a gain from 16.5 to 18.3~

      So should I raise to VCORE more? or is this probably an accurate stopping point till I do the prime95 8hr test? (kinda wanna hold off till tonight seeing how it is a prime day for COD:MW2 lol) K thanks -

      heres the easytune pic (can't change anything but figured i'd show it)
      Motherboard: GA-EP45-UD3P v1.6 BIOS Version FD
      Cpu: E8400 Wolfdale (3.6Ghz/400x9)
      Ram:
      (2Gbx2) GSkill PC2-6400 F2-6400CL4D-4GBPI-B @ DDR-800 4-4-4-12
      Power Supply Unit: Antec NeoPower 650 Blue 650W
      CPU cooler: ARCTIC COOLING Freezer 7 Pro Rev.2 92mm Fluid Dynamic CPU Cooler (39C idle/50C load)

      Comment


      • #18
        Re: EP45-UD3P e8400 overclock help

        At 3.6GHz I get 23.74GFlops (tRD 7, same DDR rate/timings), E8xxx has larger cache and usually do a bit more than the E7xxx, that's why I expect 24+ from your setup.
        Yes keep upping vcore.
        Have you set tRD value manually, to what value if you have?

        Comment


        • #19
          Re: EP45-UD3P e8400 overclock help

          Originally posted by Chike View Post
          At 3.6GHz I get 23.74GFlops (tRD 7, same DDR rate/timings), E8xxx has larger cache and usually do a bit more than the E7xxx, that's why I expect 24+ from your setup.
          Yes keep upping vcore.
          Have you set tRD value manually, to what value if you have?
          I set my tRD value to 10 and then upped my voltage again to 1.2375V and got a 1 time run result of 24.4540GFlops while loading at 60C (also set the threads to 2)
          Motherboard: GA-EP45-UD3P v1.6 BIOS Version FD
          Cpu: E8400 Wolfdale (3.6Ghz/400x9)
          Ram:
          (2Gbx2) GSkill PC2-6400 F2-6400CL4D-4GBPI-B @ DDR-800 4-4-4-12
          Power Supply Unit: Antec NeoPower 650 Blue 650W
          CPU cooler: ARCTIC COOLING Freezer 7 Pro Rev.2 92mm Fluid Dynamic CPU Cooler (39C idle/50C load)

          Comment


          • #20
            Re: EP45-UD3P e8400 overclock help

            That looks much more reasonable, 60c are fine for IBT at your current OC.

            Try lower your tRD if you intend to have a 3.6GHz profile, 7 usually works at 400FSB with DDR-800 CL4 or DDR-1066 CL5.
            Keep upping vcore untill there is no gain or very little gain in GFlops.

            Run an hour or two small FFT and then 8-12 hours blend and I think you can call it stable if it does not fail.

            BTW do you have the latest EasyTune from GB site? What OS are you running?

            Comment


            • #21
              Re: EP45-UD3P e8400 overclock help

              Originally posted by Chike View Post
              That looks much more reasonable, 60c are fine for IBT at your current OC.

              Try lower your tRD if you intend to have a 3.6GHz profile, 7 usually works at 400FSB with DDR-800 CL4 or DDR-1066 CL5.
              Keep upping vcore untill there is no gain or very little gain in GFlops.

              Run an hour or two small FFT and then 8-12 hours blend and I think you can call it stable if it does not fail.

              BTW do you have the latest EasyTune from GB site? What OS are you running?

              I'll lower the tRD. I'll report the FFT results from the 2 hour test later this afternoon. I can't thank you enough for all the help, once all this is done I plan on posting up my stable results to share with everyone.

              As for Easytune, I only got it working when copying the install files from a friends identical computer, but when I try to install (the latest) it gives my an error that I've yet to find a solution to. Me and my friend are running Windows 7 64bit (he installed it just fine), I think i had it on mine at first then uninstalled it so maybe thats a problem.
              Motherboard: GA-EP45-UD3P v1.6 BIOS Version FD
              Cpu: E8400 Wolfdale (3.6Ghz/400x9)
              Ram:
              (2Gbx2) GSkill PC2-6400 F2-6400CL4D-4GBPI-B @ DDR-800 4-4-4-12
              Power Supply Unit: Antec NeoPower 650 Blue 650W
              CPU cooler: ARCTIC COOLING Freezer 7 Pro Rev.2 92mm Fluid Dynamic CPU Cooler (39C idle/50C load)

              Comment


              • #22
                Re: EP45-UD3P e8400 overclock help

                Hey ok so wow, sorry I haven't posted back in a while. After screwing around with all these settings, my comp ended up crashing (not-related) but still not fun. Long story short, I reset-up everything, and I ended up being able to get Easytune going. So I'm gonna run the Prime95 test over night this weekend and post up some results for you guys, that way I can post back my set up finally for people.
                Motherboard: GA-EP45-UD3P v1.6 BIOS Version FD
                Cpu: E8400 Wolfdale (3.6Ghz/400x9)
                Ram:
                (2Gbx2) GSkill PC2-6400 F2-6400CL4D-4GBPI-B @ DDR-800 4-4-4-12
                Power Supply Unit: Antec NeoPower 650 Blue 650W
                CPU cooler: ARCTIC COOLING Freezer 7 Pro Rev.2 92mm Fluid Dynamic CPU Cooler (39C idle/50C load)

                Comment

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