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Thread: EP45-UD3P Q6600@3.2 S3 mode reboot loops




  1. #41
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    Default Re: EP45-UD3P Q6600@3.2 S3 mode reboot loops

    Just an fyi "Static tRead" value I changed to 9 from auto and the auto number in bios was an 11
    GA Ep45-UD3P Bios F9
    Q6600 rev.GO 2.4 @ 3.2Mhz
    Corsair PSU-CMPSU-650TX
    PC2-6400 Corsair -CM2x2048-6400C5 http://www.corsair.com/_datasheets/CM2X2048-6400C5.pdf[
    PC2-6400 OCZ-OCZ2VU8002G
    http://www.ocztechnology.com/product...module_4gb_kit
    ATI Radeon HD 4670
    Cooler- XIGMATEK HDT-S1283 120mm Rifle CPU

  2. #42
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    Default Re: EP45-UD3P Q6600@3.2 S3 mode reboot loops

    Glad you got it working.

    Lower, with all but reference voltages is always better, but 1.34V VTT (CPU Termination) is nothing really for a 65 nm chip, capable of taking maybe up to 1.5V VTT or more. You can work it dowward if you like, but there's no real pressing need.

    I'd also give a lower Static tRead a try if you haven't already. Try 8, then 7 if 8 boots and after do an over night Prime 95 run. tRead is a good RAM performance booster, with each lower value netting you 200-500MB/s and less over all latency, depending on current RAM frequency and even current FSB speeds. OFC, if say, tRead=8 is a goer, test top see if you can still resume from sleep. If not, stick with tRead = 9, as it's better the PC does what you want than gain a relatively small performance boost.

    Note that it would be a good idea to do a re-test of Prime for 8 hours just to verify your new settings are relatively stable.
    Coolermaster CM 690 II advance Case
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  3. #43
    Chike is offline Senior Member
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    Default Re: EP45-UD3P Q6600@3.2 S3 mode reboot loops

    Can't trust the values BIOS show for autos, only way to tell for sure is with MemSet, might be 11 in bios and actually 14 applied.

  4. #44
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    Default Re: EP45-UD3P Q6600@3.2 S3 mode reboot loops

    Very true. However, for me, unfortunately Memset seems to be bugged in some way. If I set Static tRead to auto, rrather than reveal the actual settings used, Memset just reports the tRead value as being blank. I don't know why, it doesn't happen to everyone, but some who have posted Memset screen shots have also experienced this.

    memset also comes in handy to assass which tRead value is likely to be stable, or at least the minimum tRead the PC will boot with. As always, don't perminantly use Memset to set timings, but you can apply tRead values lowering one by one until you get a hard lock. Usually the lowest tRead before the one that locked the syatem will boot, and in my experience, this value is also the lowest stable one. YMMV on this though, as you MAY need to set tRead 2 digits higher than the one that hard locked. Use caution, as anything you're working on at the time may be lost if you hard lock the PC. I have never had an issue doing this, with regards to any data corruption etc, but do exercise caution. If you feel it to be risky (I don't think it is, but I don't have any "Mission Critical" data) do it the old fashioned way, via several re-boots.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
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  5. #45
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    Default Re: EP45-UD3P Q6600@3.2 S3 mode reboot loops

    After not being able to resume on the second try I went and change VTT to 1.38 from 1.34 and tried that with the same results. Will resume the first time around from S3 but not the second.I went back and put it to 1.34 for now. Should I try raising dram voltage? It's at 2.0 right now.
    GA Ep45-UD3P Bios F9
    Q6600 rev.GO 2.4 @ 3.2Mhz
    Corsair PSU-CMPSU-650TX
    PC2-6400 Corsair -CM2x2048-6400C5 http://www.corsair.com/_datasheets/CM2X2048-6400C5.pdf[
    PC2-6400 OCZ-OCZ2VU8002G
    http://www.ocztechnology.com/product...module_4gb_kit
    ATI Radeon HD 4670
    Cooler- XIGMATEK HDT-S1283 120mm Rifle CPU

  6. #46
    Chike is offline Senior Member
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    Default Re: EP45-UD3P Q6600@3.2 S3 mode reboot loops

    If MemSet shows a blank tRD than it is probably because it is set higher than 15, as this is it's highest option.
    BIOS max option is 15 too, so it's odd.

  7. #47
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    Default Re: EP45-UD3P Q6600@3.2 S3 mode reboot loops

    I thought that too Chike, however, on auto, performance tested Via Everest shows figures on a par with a tRead of 11. tRead of 15 gives much worse figures.

    It may also be due to the fact that I'm running Windows 7, which, as it's the Release Candidate (awaiting my pre-order, should be here soon) may not be 100% compatible etc with Memset. Very strange.

    @ Gixxer1kr, Chike said that for him, raising CPU reference voltage one notch gave him the ability to resume perfectly. Have you tried this? To make sure you truely have one notch above stock set, if you temporarily set VTT back down to 1.2V, then set CPU Ref to 0.785V manually, then finally increase VTT back upwards to the value you want, it's easier to track. You will notice that when you change VTT (CPU Termination) back up, that CPU Ref will increase with it. This is normal and the end result is the value you want to test.

    I would also do the following to see how S3 reacts:

    • Strip 4GB of RAM and just run first all the Corsair, then all the OCZ, testing S3 at the most stable BIOS settings for resuming that you've found so far.
    • Try with two steps less and two steps more of both MCH Ref and CPU ref (test one ref voltage at a time OFC)
    • You may actually find a LOWER MCH Core may help, try 1.30-134V maybe, it's worth a try as less can sometimes be better than more.
    • Your advanced timings (inc tRFC) are tight for 8GB, try 4-4-8-68-2T (not much performance loss, definitely not noticeable in normal operation)
    • Raise ICH I/O a couple of notches and ICH Core to 1.2V. I need 1.2V ICH COre for stability with my OC or I get disappearing USB devices etc (strange).


    If it were me, I'd leave VDIMM (RAM Volts) at 2.0V as that's an over volt of 0.1V for the Corsair and 0.2V for the OCZ already. As high as 2.06 may be OK for experimentation, if nothing else helps though. It's always worth pushing things, but only with care.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  8. #48
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    Default Re: EP45-UD3P Q6600@3.2 S3 mode reboot loops

    Quote Originally Posted by Lsdmeasap View Post
    You have mis-matched memory in your signature, is that what you are using? If so, this could be the cause as well. If not, please let me know which set you are using so I can look it up

    While you wait, I do think you need to change a few things.

    Set this to Auto since you are using default for now, but you may want to look into adjusting this for stability and or testing-how to is in my signature
    MCH Reference….…….0.76 << Set Auto

    Also set all these to Auto >>
    CPU Referen.…………....0.760

    MCH/ICH

    MCH Reference….…….0.76 (Noted above as well)
    MCH/DRAM Ref.…......0.900


    DRAM

    DRAM Termination .…0.900
    Channel A Reference 0.900
    Channel B Reference 0.900

    I suggest you set a higher Vtt as well, maybe 1.225-1.34 for now, and set your own tRD (Static tRead value) to 8-9 for now.

    Please also use 399 or 401 instead of 400 exactly. I would also, no matter which ram you are using, set 1.9-1.94V, if you are using both you may need to set 2.0V+



    I was going by this reply and therefore set those values to "Auto" cpu ref etc..
    GA Ep45-UD3P Bios F9
    Q6600 rev.GO 2.4 @ 3.2Mhz
    Corsair PSU-CMPSU-650TX
    PC2-6400 Corsair -CM2x2048-6400C5 http://www.corsair.com/_datasheets/CM2X2048-6400C5.pdf[
    PC2-6400 OCZ-OCZ2VU8002G
    http://www.ocztechnology.com/product...module_4gb_kit
    ATI Radeon HD 4670
    Cooler- XIGMATEK HDT-S1283 120mm Rifle CPU

  9. #49
    Chike is offline Senior Member
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    Default Re: EP45-UD3P Q6600@3.2 S3 mode reboot loops

    Quote Originally Posted by Psycho101 View Post
    @ Gixxer1kr, Chike said that for him, raising CPU reference voltage one notch gave him the ability to resume perfectly.
    Lowering it actually, my board defaults to 0.805 and 0.785 solved sleep issue for 3.4/3.5GHz, didn't change for 3.6GHz.
    It's now set to 0.762 which was nesessary to get 3.8GHz stable, and of course won't resume from S3.

  10. #50
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    Default Re: EP45-UD3P Q6600@3.2 S3 mode reboot loops

    I raised my Dram from 2.0 to 2.040 and my sleep resumed twice instead of once. Then I raised to 2.080v and it would only resume once. From a fresh boot it seems to resume without problems the first time around.
    GA Ep45-UD3P Bios F9
    Q6600 rev.GO 2.4 @ 3.2Mhz
    Corsair PSU-CMPSU-650TX
    PC2-6400 Corsair -CM2x2048-6400C5 http://www.corsair.com/_datasheets/CM2X2048-6400C5.pdf[
    PC2-6400 OCZ-OCZ2VU8002G
    http://www.ocztechnology.com/product...module_4gb_kit
    ATI Radeon HD 4670
    Cooler- XIGMATEK HDT-S1283 120mm Rifle CPU

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