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Thread: Ga Ep45 UD3P rev 1.0 Bios assistance




  1. #111
    Chike is offline Senior Member
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    With same settings that gave you an error, try to set MCH Reference to 0.74 and see if that helps.
    Ir may be the RAM, loosened timings may require higher tRD.

  2. #112
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Ahhh, just a quick note.

    Changed ram timings to 5-5-5-18
    MCH Ref 0.74
    Vcore: 1.2750V
    SMM: 2.00D
    T read: 9

    and,.... 445x9!
    Last edited by Deafty; 09-23-2011 at 06:44 PM.
    GAEP45 UD3P rev1.1
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  3. #113
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    !!!!!!!!!!!!!!!!!!!!!!!!!! 4 GHz !!!!!!!!!!!!!!!!!!!!!!!!!!!!


    Passed memtest86 with 2passes test #5

    Full Screen Shot below.

    Ga Ep45 UD3P rev 1.0 Bios assistance-5-5-5-18-vcor-1-2750v-smm2-00d-tr9-mchref0-74-jpg

    Will now run 1 full pass all tests Memset86 followed by 10 passes test#5
    IBT 5 loops at 2 threads max memory
    Prime95.

    Looking good eh?? I knew it was the ram!!
    Will also look into reverting MCH core to auto. and dropping Vcore.
    Last edited by Deafty; 09-23-2011 at 06:50 PM.
    GAEP45 UD3P rev1.1
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  4. #114
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    And a pass on IBT

    Ga Ep45 UD3P rev 1.0 Bios assistance-ibt-pass-jpg
    GAEP45 UD3P rev1.1
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  5. #115
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Tried 460x9 4.140GHz

    Passed Mtest86
    Passed IBT

    Ga Ep45 UD3P rev 1.0 Bios assistance-460x9-jpg
    GAEP45 UD3P rev1.1
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  6. #116
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Gone back to 9x445. Had an issue with Prime 95 last night,.need to retest.

    Ram timings at 5-5-5-18
    MCH Ref 0.74
    Vcore: at 1.2750V
    SMM: 2.00D
    T read: 9

    Mtest86 passed,. 10 loops test#5
    IBT passed at 2 threads max memory.
    Prime 95 3 hrs passed.

    Where to from here,. I've been all alone but have manged to follow Jakes thread. Little hesitant now as he's got clock skews going on,.

    Here's my screen shots.

    Ga Ep45 UD3P rev 1.0 Bios assistance-5-5-5-18-vcor-1-2750v-smm2-00d-tr9-mchref0-74-jpg
    Last edited by Deafty; 09-24-2011 at 06:04 PM.
    GAEP45 UD3P rev1.1
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  7. #117
    profJim's Avatar
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    FYI: With HWMonitor you can click on the VIEW tab and then select CLEAR MIN/MAX to set all displayed values to the current values. You could do this after you've set your gfx fan speed and let your temperatures stabilize. Doing this will let you easily track the minimum and maximum temperatures during your stress tests.

    Keep in mind that upgrading to a newer video card that is cooler running might/should help with your interal case temperatures. Adding additional cooling fans inside your case should also help a bit, but you're still limited with your current 80mm intake and 120mm exhaust fans.
    Had an issue with Prime 95 last night,.need to retest.
    This is meaningless from a diagnostic standpoint.
    Which Prime95 test was used?
    Were you testing with default settings? If not, what modified test settings were used.
    Which FFT test failed?
    What was the specific error? Rounding Error?
    What was the elapsed time when the error occurred?
    Posting the Prime95 window along with the other screen-shot windows will be most helpful.
    It's best to save detailed Prime95 or other error details so that we can determine if things are getting bestter or worse when an error occurs.

    Increasing VTT from 1.20 to 1.22 often helps with stability.
    Lowering MCH Core from the current 0.74 to 0.72 might help.
    You need to remember the correct procedure for changing MCH Ref or CPU Ref:
    1. VTT must be set to 1.20 before making either of these changes.
    2. Change either of these Reference settings to the new value.
    3. Set VTT to the desired value.


    It's best for you to post the modified Reference settings when VTT is not at the 1.20 setting:
    Code:
    XXX Reference ----- 0.760V ----- : [0.743V] (0.680V with CPU Termination @ 1.200V)
    where XXX is MCH and/or CPU Reference. The added information is not needed if you running with VTT = 1.20
    Note: this example is from an E8400/EP45 setup using 8 X 530MHz, with VTT = 1.30

    I suggest the following bios changes, doing one at a time followed by your stress tests:
    1) Increase VTT to 1.22
    2) Increase CPU Vcore one step. This might help with decreasing the variance in the IBT GFlops scores.
    3) Decrease MCH Core to 0.72 and use VTT = 1.22

    Jake's posts were nicely detailed when he was trying several of Chike's suggestions.

    I never was able to find a good Clock Skew guide and my attempt to use them on my E6550/EP45 setup several years ago didn't help. I did find a few posts on the web where the poster appeared to be an o/c guru, but the clock skew settings were used to o/c with 1066 memory running at 1200MHz. I wasn't aware that Chike required skew changes until he posted in Jake's thread.
    **edit** Most very high overclocks do NOT require clock skew changes, many require MCH Ref chagnes, fewer require CPU Ref changes.

    The important thing is for you to take detailed notes when errors occur to see if you're moving in the right or wrong direction.

    Sorry about my absence.
    Last edited by profJim; 09-24-2011 at 09:13 PM. Reason: more info
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  8. #118
    Chike is offline Senior Member
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    Default Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Quote Originally Posted by profJim View Post
    I never was able to find a good Clock Skew guide and my attempt to use them on my E6550/EP45 setup several years ago didn't help. I did find a few posts on the web where the poster appeared to be an o/c guru, but the clock skew settings were used to o/c with 1066 memory running at 1200MHz. I wasn't aware that Chike required skew changes until he posted in Jake's thread.
    **edit** Most very high overclocks do NOT require clock skew changes, many require MCH Ref chagnes, fewer require CPU Ref changes.
    I have CPU and MCH references changed and CPU clock skew, very low VTT(1.22v) and MCH core(1.18v) at 450 MHz FSB. Still not enough for 500+MHz(working on that).
    Don't know how good, here's a one guide I have found:
    Intel FSB Over Clocking, clock skew and the effects it has on system memory..

  9. #119
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    Thumbs up Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Thanks Chike, I'm checking out the OCZ clock skew link right now.

  10. #120
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    Thumbs up Re: Ga Ep45 UD3P rev 1.0 Bios assistance

    Excellent link, it covers the basics and explains why properly dialing in skew settings can help lower some bios voltage settings. It sounds like some/many highly overclocked systems could get away from using a brute force approach with VTT (cpu termination) and/or MCH Core if the skew settings are properly dialed in.

    I wonder if the quickest overclocking approach would be to use brute force with VTT and MCH initially, and then fine tuning with skew settings to lower these voltages. As I recall, many stable 4GB EP45 systems with very high overclocks use VTT and MCH Core settings in the 1.28 - 1.36 range.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


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