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Thread: Running 8 GB of RAMs with EP45-DS3R




  1. #191
    Chike is offline Senior Member
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    Default Re: Running 8 GB of RAMs with EP45-DS3R

    Try 439MHz and 2-3 clicks up vcore.
    EasyTune applies the values immediately so you do not need to reboot, but the values are not saved in BIOS so to make them permanent you must set them at BIOS.

  2. #192
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    Default Re: Running 8 GB of RAMs with EP45-DS3R

    439 FSB @ 1.375 vcore, 1.20VTT is stable-ish. But it's not stable. After 1 hour on desktop I played Saints Row 15 mins, I quit by my choice. But then I saw Firefox crashed.

    I saw people with VTT up to 1.5V, is this too bad to try? Worse than raising vcore?
    Last edited by Prequel; 01-25-2015 at 08:10 PM.

  3. #193
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    Default Re: Running 8 GB of RAMs with EP45-DS3R

    Quote Originally Posted by Prequel View Post
    439 FSB @ 1.375 vcore, 1.20VTT is stable-ish. But it's not stable. After 1 hour on desktop I played Saints Row 15 mins, I quit by my choice. But then I saw Firefox crashed.

    I saw people with VTT up to 1.5V, is this too bad to try? Worse than raising vcore?
    According to documentation (2.6.1) absolute max for both VTT and Vcore is 1.45v.
    specifies absolute maximum and minimum ratings only and lie outside the functional limits of the processor. Within functional operation limits, functionality and long-term reliability can be expected.
    Maybe more vcore, what is actual, you can try increasing VTT as well?

    Try to find the upper stable value for MCH and CPU ref

  4. #194
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    Default Re: Running 8 GB of RAMs with EP45-DS3R

    Upped one tick, seems stabler for first impression. Will test more.

    I spent today replacing my CPU cooler's fan with a new one (only 100RPM faster) and replacing both CPU and GPU's thermal paste, of course with some cleaning.

    I ran LinX on 3.51GHz 1 loop, max temp is down to 63c. It used to be 85c+
    I ran two different games, max GPU temp is 74c. It used to be 86c.

    On ~50% load my CPU temp is like 40c. And some games run with 70-72c GPU temp or lower.



    I think I did the best I could for cleaning the surface and applying thermal paste. I still think GPU temp could be a bit better (like 69c max) but I guess MSI gave me one of their poorer cards. Oh well, I already had decided to not go with them again anyway.


    Can you please guide me through VTT? What exactly should the combination be? Increase one tick VCore then increase VTT up to 1.40 or so? Or leave it to the last? What should be the protocol?

    I'm not sure I understand the reference part.

    On 1.38125 Vcore, actual vcore on load is 1.312, on idle it is 1.328
    Last edited by Prequel; 01-26-2015 at 05:48 AM.

  5. #195
    Chike is offline Senior Member
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    Default Re: Running 8 GB of RAMs with EP45-DS3R

    Quote Originally Posted by Prequel View Post
    I ran LinX on 3.51GHz 1 loop, max temp is down to 63c. It used to be 85c+
    What Flops you got? Temps only count when you get the right Flops, at 3.51 they should be around 44 GFlops.

    Quote Originally Posted by Prequel
    Can you please guide me through VTT? What exactly should the combination be? Increase one tick VCore then increase VTT up to 1.40 or so? Or leave it to the last? What should be the protocol?
    VTT max operational value is 1.26v, I've seen people going much higher but that's up to you.
    So far I didn't get the impression you even have to touch it.
    Or are you asking about the MCH/CPU refs?

    You can still up vcore I believe as long actual is under or equal to 1.3625v.

  6. #196
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    Default Re: Running 8 GB of RAMs with EP45-DS3R



    So 1.38125 isn't stable after all... Should I just keep increasing VCore and nothing else?

    We are now about to be 4 ticks above 1.3625. When it's stable 433 @ 1.3625, it is not with 439 @ 1.38125. Isn't this a bit weird?

  7. #197
    Chike is offline Senior Member
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    Default Re: Running 8 GB of RAMs with EP45-DS3R

    Quote Originally Posted by Prequel View Post

    So 1.38125 isn't stable after all... Should I just keep increasing VCore and nothing else?

    We are now about to be 4 ticks above 1.3625. When it's stable 433 @ 1.3625, it is not with 439 @ 1.38125. Isn't this a bit weird?
    OK Flops is where we want them to be.
    How is it not stable, what fails?
    Could be vcore could be other settings.

  8. #198
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    Default Re: Running 8 GB of RAMs with EP45-DS3R

    Well as you see LinX failed. And I think a game failed (just immediately shut down) after a while. It is stable-ish on desktop but clearly not stable for longer and heavier use. No BSOD yet.

  9. #199
    Chike is offline Senior Member
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    Default Re: Running 8 GB of RAMs with EP45-DS3R

    Quote Originally Posted by Prequel View Post
    Well as you see LinX failed. And I think a game failed (just immediately shut down) after a while. It is stable-ish on desktop but clearly not stable for longer and heavier use. No BSOD yet.
    Try Prime95, large FFT in place, check SUM(INPUTS) error checking and Round off checking if they are not checked already.

    If fails, Try 1-2(maybe few more, up to you) clicks up vcore first.

    if still fails, try upping VTT click at a time up to 1.26 with EasyTune.

    If still fails, with VTT 1.26v as follows, MCH/CPU ref 0 being the values they are set now:
    MCH Ref 0, CPU ref +1, +2, +3
    CPU Ref 0, MCH ref +1, +2, +3.
    CPU ref +1, MCH ref +1 +2 +3
    CU Ref + 2, MCH ref +1 +2 +3
    If you find e.g. that MCH ref +3 is worse than MCH ref +2, no need to repeat it again.

    If large FFT in place doesn't fail, run small FFT in place, failure is likely to indicate need for more vcore.

    Remember all refs are at their 1.2 VTT value so no need to change VTT each time you change ref. Whatever values you find to be most stable should be entered in BIOS @ VTT 1.2v.

  10. #200
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    Default Re: Running 8 GB of RAMs with EP45-DS3R

    Prime 95 In Place Large FFT failed @ 1.38125. In more or less 10 mins I suppose. Program was shut down.


    [Mon Jan 26 03:38:05 2015]
    Self-test 480K passed!
    Self-test 480K passed!
    Self-test 480K passed!
    Self-test 480K passed!
    FATAL ERROR: Rounding was 0.5, expected less than 0.4
    Hardware failure detected, consult stress.txt file.
    Self-test 128K passed!
    Self-test 128K passed!
    [Mon Jan 26 03:43:15 2015]
    Self-test 128K passed!
    Self-test 560K passed!
    Self-test 560K passed!
    Self-test 560K passed!

    This is all of the log.


    ***

    Prime 95 In Place Large FFT failed @ 1.39375. Only Worker #1 failed at 25th min, then I stopped it.

    [Mon Jan 26 04:38:22 2015]
    Self-test 480K passed!
    Self-test 480K passed!
    Self-test 480K passed!
    Self-test 480K passed!
    Self-test 128K passed!
    Self-test 128K passed!
    Self-test 128K passed!
    Self-test 128K passed!
    [Mon Jan 26 04:45:21 2015]
    Self-test 560K passed!
    Self-test 560K passed!
    Self-test 560K passed!
    Self-test 560K passed!
    Self-test 192K passed!
    Self-test 192K passed!
    Self-test 192K passed!
    [Mon Jan 26 04:50:35 2015]
    Self-test 192K passed!
    Self-test 640K passed!
    Self-test 640K passed!
    Self-test 640K passed!
    Self-test 640K passed!
    Self-test 240K passed!
    [Mon Jan 26 04:57:18 2015]
    Self-test 240K passed!
    Self-test 240K passed!
    Self-test 240K passed!
    FATAL ERROR: Rounding was 0.5, expected less than 0.4
    Hardware failure detected, consult stress.txt file.
    Self-test 720K passed!
    Self-test 720K passed!
    Self-test 720K passed!
    [Mon Jan 26 05:05:07 2015]
    Self-test 288K passed!
    Self-test 288K passed!
    Self-test 288K passed!

    ***

    BTW should I remove these?:

    CpuSupportsSSE=0
    CpuSupportsSSE2=0

    ***

    Also, is it possible for PC to use higher actual vcores in any other time with same BIOS values, or even use its highest possible value? Do all hardware have lower actual vcore than the set value anyway?


    EDIT: VTT 1.26, still seems unstable. Prime is running for an hour without a problem but I just saw a program crash during Prime. There's a slight chance it may be from 1.20 VTT test that I forgot but most likely not.

    EDIT2: And finally Prime crashed at VTT 1.26 too. I saw a very weird thing first tough. My RAM frequency just dropped from 1054 to 967 for a second and then turned back to 1054!!! How is that possible and what can cause such a thing? I haven't made any changes on Easy Tune except Vcore and VTT.
    Last edited by Prequel; 01-26-2015 at 11:36 AM.

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