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Thread: GA-EP45T-DS3R - looking for overclock advice




  1. #31
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    Default Re: GA-EP45T-DS3R - looking for overclock advice

    Quote Originally Posted by Chike View Post
    Did you uncheck the keep DMI Data when you flashed the BIOS?
    I have no idea? If it defaults to enabled then yes. I went to optimized defaults, flashed it, then loaded defaults again.

    Quote Originally Posted by Chike View Post
    tRD 0 for a start then try lower..
    Was that a typo? just making sure.

  2. #32
    Chike is offline Senior Member
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    Default Re: GA-EP45T-DS3R - looking for overclock advice

    Yes typo, tRD 9 for a start.

  3. #33
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    Default Re: GA-EP45T-DS3R - looking for overclock advice

    Quote Originally Posted by Chike View Post
    Yes typo, tRD 9 for a start.
    :|
    I managed to corrupt a system file or driver trying out 1600 again, completely locking up on boot at the moment, can't even get into safe mode. Trying to figure out which file it is using the recovery console, wouldn't happen to know an easy way? :P

  4. #34
    Chike is offline Senior Member
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    Default Re: GA-EP45T-DS3R - looking for overclock advice

    Safe mode command prompt? Which windows is it, XP or 7?
    It's better to run memtest86+ before attempting to lounch windows to make sure settings are not completely horrible.
    Try 380x7 with 4.00D/B.
    Also, for now, disable C1E and EIST in advanced BIOS features.

  5. #35
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    Default Re: GA-EP45T-DS3R - looking for overclock advice

    I was too busy thinking I had a corrupt file to remember optimized defaults were unstable. I went straight back out of the failed 1600 boot loop to defaults and completely forgot.
    I put my last stable OC back on and everything is good now. :) Back to testing.

  6. #36
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    Default Re: GA-EP45T-DS3R - looking for overclock advice

    Quote Originally Posted by Chike View Post
    Safe mode command prompt? Which windows is it, XP or 7?
    It's better to run memtest86+ before attempting to lounch windows to make sure settings are not completely horrible.
    Try 380x7 with 4.00D/B.
    Also, for now, disable C1E and EIST in advanced BIOS features.
    OK, 380 posted but froze after 10 seconds in MemTest so I left that one alone for now.

    I went back to my highest stable values (364 @ 7.5x) multi I was trying the other night, perfectly stable in Prime95 for over an hour, but froze up in IBT. I noticed my temps were a little lower (67C) since the new BIOS version, so I bumped the VCore up by 1 notch and tested that again. All ran perfectly!

    From there I jumped to 372 @ 7.5x, 2.79GHz 8-8-8-24, which posted, passed MemTest, but always froze booting Windows. I was feeling a little confident so I also bumped the DRAM Voltage to 1.82V, instant success! Ran IBT on Max no problems, Prime95 strong for one hour 720K FFT and still running. IBT on Maximum pushed the temps to 75C, only 2C higher from stock.

    Hardware Monitor reports the VCore as running at 1.22V but sometimes drops down to 1.17V when under load? VIN1, which I assume is the DRAM Voltage moves between 1.76-1.79V.

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster .............: [ Auto ]
    CPU Clock Ratio .....................: 7 X  
    Fine CPU Clock Ratio.................: + 0.5 x  
    CPU Frequency .......................: 2.79GHz (372x7.5)
    
    
    
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control...............: [ Enabled ]
    CPU Host Frequency (Mhz) ............: 372 
    PCI Express Frequency (Mhz) .........: 100 
    C.I.A.2 .............................: [ Disabled ]
    
    
    DRAM Performance Control
    Performance Enhance..................: [ Standard ]
    (G)MCH Frequency Latch...............: [ 333 MHz ]
    System Memory Multiplier ............: 4.00B  
    Memory Frequency (Mhz) ........1066..: 1488
    DRAM Timing Selectable ..............: [ Manual ]
    
    
    
    Motherboard Voltage Control
    Voltage Type...............
    CPU
    CPU Vcore............................: 1.23750V [ 1.24375V ]
    CPU Termination….....................: 1.200V   [ 1.200V ]
    CPU PLL..............................: 1.500V   [ 1.500V ]
    CPU Reference........................: 0.760V   [ *** ]
    
    
    
    MCH/ICH
    MCH Core.............................: 1.100V   [ 1.260V ]
    MCH Reference........................: 0.760V   [ Auto ]
    MCH/DRAM Ref.........................: 0.750V   [ Auto ]
    ICH I/O......................….......: 1.500V   [ 1.500V ]
    
    
    
    DRAM
    DRAM Voltage ........................: 1.500V   [ 1.820V ]
    DRAM Termination ....................: 0.750V   [ AUTO ]
    Ch-A DATA VRef.......................: 0.750V   [ AUTO ]
    Ch-B DATA VRef.......................: 0.750V   [ AUTO ]
    Ch-A Address VRef....................: 0.750V   [ AUTO ]
    This is as high as I could go stable, 376 froze booting Windows.
    Last edited by bhaz; 08-04-2011 at 01:25 PM.

  7. #37
    Chike is offline Senior Member
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    Default Re: GA-EP45T-DS3R - looking for overclock advice

    VCore drop twice, once at idle the value is lower from what it is set at BIOS, that is vdrop. The second drop is when it's under load, called vdroop, all this with power saving features disabled. When power saving features enabled and vcore is normal, vcore is set lower at idle and higher at load so the vdroop cannot be seen though it is there.

    Above ~1420 timing probably need to be loosend, tRD may also need to be upped for higher CAS.
    Try 398+ FSB with 3.33D/B SMM, though memory frequency is lower, it's performance should be higher due to higher FSB.

  8. #38
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    Default Re: GA-EP45T-DS3R - looking for overclock advice

    Quote Originally Posted by Chike View Post
    Try 398+ FSB with 3.33D/B SMM, though memory frequency is lower, it's performance should be higher due to higher FSB.
    398 on 3.33D - 1327MHz
    CPU Multi 7x, 2.78GHz
    Works great so far. I dropped the DRAM Voltage back down to 1.8V, VCore is still at 1.24375V.

    MaxxMem results are the best I've had yet, 0.25GB/s higher than 368FSB / 4.00B (1472MHz).
    IBT GFlops also slightly up.

  9. #39
    Chike is offline Senior Member
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    Default Re: GA-EP45T-DS3R - looking for overclock advice

    tRD still 8 or 9?

  10. #40
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    Default Re: GA-EP45T-DS3R - looking for overclock advice

    Quote Originally Posted by Chike View Post
    tRD still 8 or 9?
    tRD is Performance Level in MemSet? It's on auto 9 at the moment.

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