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Thread: Ud3p & e8400




  1. #51
    kick's Avatar
    kick is offline Senior Member
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    Default Re: Ud3p & e8400

    Give it some wellie as the saying goes.
    Give it some wellie is like put your boot on the accelerator.
    I mean in terms of voltages.
    As stated above even ten passes of IBT takes like what 10-12 minutes?
    That wont give u the continuous stress you need to ge everything heated up for long term stability.
    Your voltages are all too low , the main ones I mean.
    You have a lot of headroom still on the cpu voltage especially for a dual.
    The mch /northbridge voltage,well opinions have changed over the past year or 2,I still run mine at 1.38v minimum pretty much all the time.
    dram voltage personally i think u have room there too, if cooling is ok.

    I know u want the "minimums needed" but it takes an awfull long time to work up to minimums rather than going a little over and then working voltages back down. mho
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  2. #52
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    Default Re: Ud3p & e8400

    This is with my cpu vcore set to 1.364v in the bios.

    CPU-Z still shows it at 1.328v, both idle and under full load. Below is a 30min, 10 pass IBT run. Notice my Gflops from prior posts in this thread.

    So with nothing more then "2" vcore bumps in my bios, not changing anything else. I got nearly 1 Gflops more performance out of my E8400. While still keeping temps in the 60C range full IBT load.

    Processor: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz
    Clock Speed: 4.05 GHz
    Active Physical Cores: 2
    Total System Memory: 4094 MB

    Stress Level: Custom (2712 MB)
    Testing started on 8/22/2010 8:45:48 PM

    Time (s) Speed (GFlops) Result
    [20:48:24] 141.356 / 28.8797 / 3.242551e-002
    [20:50:58] 141.253 / 28.9007 / 3.242551e-002
    [20:53:33] 141.253 / 28.9007 / 3.242551e-002
    [20:56:08] 141.129 / 28.9260 / 3.242551e-002
    [20:58:43] 140.997 / 28.9531 / 3.242551e-002
    [21:01:17] 141.228 / 28.9059 / 3.242551e-002
    [21:03:52] 141.117 / 28.9285 / 3.242551e-002
    [21:06:26] 141.035 / 28.9454 / 3.242551e-002
    [21:09:01] 141.142 / 28.9234 / 3.242551e-002
    [21:11:36] 141.192 / 28.9132 / 3.242551e-002

    Testing ended on 8/22/2010 9:11:36 PM
    Test Result: Success.

    Im actually glad this thread got brought up. After I re-stabilized my proc toying around at 4.2Ghz, I had forgot to set my Vcore back to where I had it prior for 4.05Ghz ;)

    So regardless if you take kicks, or my advice. Some positive came out of this!
    ASUS P8P67 rev3.1 | i5 2500K @ 4.5Ghz | Vcore: 1.300
    MSI 460GTX Hawk Talon Attack (900/4000) | 23C Idle / 65C max load / +100mV
    Kingston HyperX | DDR3 1600Mhz | Corsair H60 | 36C Idle / 65C max load
    500GB Seagate Barracuda 7200rpm| OCZ 600watt SXS PSU
    LG E2050T LED monitor
    3DMark11 P4560


  3. #53
    Chike is offline Senior Member
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    Default Re: Ud3p & e8400

    Quote Originally Posted by Triton05 View Post
    So with nothing more then "2" vcore bumps in my bios, not changing anything else. I got nearly 1 Gflops more performance out of my E8400.
    And the extra 1488MB don't count? You will have to repeat with 1224MB or drop your vcore 2 notches to know what was the vcpre contribution to the GFlops.

  4. #54

    Default Re: Ud3p & e8400

    Why not if using IBT just select the "maximum" setting in the drop down selection tab
    Thats how I use IBT when I use it. Assuming you have 4 gig of ram at least

    As for voltages if I have a cpu thats going over 15 hours on prime95 blend at 1.25 to 1.26
    v core running near 4.0ghz I know it can't be that far off and that bad, thou yes there is exceptions but not much point in pumping 1.3's(and higher) into just yet on v core, maybe move up the mch, northbridge(just one setting if ram voltages,settings okay)
    After all I have seen lots testing and calling it stable after 3-4 hours of prime95 or orthos blend
    Last edited by Tyreman; 08-23-2010 at 06:02 PM.
    Asus P8Z68-V PRO/GEN3 bios 3202
    2500k@4.7GHZ.
    CM Hyper 212 EVO blademasters push-pull
    8GB's Samsung 30nm tech ram 1.35v
    EVGA GTX 460 superclocked plus (part# 1G-P3-1372-TR)
    Seasonic X660
    Canada

  5. #55
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    Default Re: Ud3p & e8400

    I still feel like your missing the point of what Im trying to tell you. Please read this slow...

    As for running at max settings with 4GB ram in IBT. You can't. Cause your OS uses a certain amount of memory. So by exceeding your availible memory, you'll be tagging your page file "off your HD" so your values will be off. I custom choose the max amount of FREE memory I have which I can see via the task manager.

    *blindly running tests without researching how or what they are telling you, causes long drawn out threads like this*

    As for my fourth explination of what Im trying to get you to under stand about your Vcore voltage.

    It at this point has NOTHING to do with stability. Its about giving your cpu enough juice "voltage" to run properly at that speed. Performance wise. NOT stability wise.

    By under volting it, my E8400 at 4.0Ghz will be faster then yours. Make sense?

    Yes you can undervolt and have it stable with all the benchmarks in the world. But it may only be running at 95% of what its could put out instead of a full 100%.

    Gflops = Unit of computing capacity equal to one billion (10^9) floating point operations per second.

    What Im showing you is, by you running the SAME test as me, with the SAME amount of memory allocated. By your Gflops result being a lower value, solidifies my point about you not having enough Vcore going to your CPU.

    All I want for you is to get your CPU to preform to its best ability. Thats all.

    I dont know any other way to explain it. I guess you either understand what I just wrote or you dont.

    *Shrug*

    As for your MCH voltage and your Dram.. those mostly impact stability for your memory and FSB. By increasing either of those, you'll do nothing but make your system temp hotter! THOSE you want to find your lowest "stable" voltages for.


    -
    Last edited by Triton05; 08-23-2010 at 11:42 PM.
    ASUS P8P67 rev3.1 | i5 2500K @ 4.5Ghz | Vcore: 1.300
    MSI 460GTX Hawk Talon Attack (900/4000) | 23C Idle / 65C max load / +100mV
    Kingston HyperX | DDR3 1600Mhz | Corsair H60 | 36C Idle / 65C max load
    500GB Seagate Barracuda 7200rpm| OCZ 600watt SXS PSU
    LG E2050T LED monitor
    3DMark11 P4560


  6. #56

    Default Re: Ud3p & e8400

    I believe some memory stuff of yours was addressed in here in this thread to
    As I posted up last night the unit was not that far off.
    I didn't claim it was perfect nor am I able to rate its percentage of efficiency accurately ....if it passes all tests including the variety out there Linx etc
    AND if you have to up your mch to gain stability (not unusual on high overclocks with some ram and assorted combos)thats not doing nothing but making your system hotter...it might be adding stability
    And if I had to pump real high volts to a cpu near the 1.40's v's I would consider it dubious value to run that high an OC
    Last edited by Tyreman; 08-24-2010 at 12:15 AM.
    Asus P8Z68-V PRO/GEN3 bios 3202
    2500k@4.7GHZ.
    CM Hyper 212 EVO blademasters push-pull
    8GB's Samsung 30nm tech ram 1.35v
    EVGA GTX 460 superclocked plus (part# 1G-P3-1372-TR)
    Seasonic X660
    Canada

  7. #57
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    Default Re: Ud3p & e8400

    Run your system at these specs :

    Stress Level: Custom (2712 MB)
    Testing started on 8/22/2010 8:45:48 PM

    Time (s) Speed (GFlops) Result
    [20:48:24] 141.356 / 28.8797 / 3.242551e-002
    [20:50:58] 141.253 / 28.9007 / 3.242551e-002
    [20:53:33] 141.253 / 28.9007 / 3.242551e-002
    [20:56:08] 141.129 / 28.9260 / 3.242551e-002
    [20:58:43] 140.997 / 28.9531 / 3.242551e-002
    [21:01:17] 141.228 / 28.9059 / 3.242551e-002
    [21:03:52] 141.117 / 28.9285 / 3.242551e-002
    [21:06:26] 141.035 / 28.9454 / 3.242551e-002
    [21:09:01] 141.142 / 28.9234 / 3.242551e-002
    [21:11:36] 141.192 / 28.9132 / 3.242551e-002


    See what ya get. Can't hurt, infact you don't even need to post your results. I just want to make sure " YOU " know your on par with where you CPU's performance should be. At 3.99Ghz you should be at 28.5 Gflops.
    ASUS P8P67 rev3.1 | i5 2500K @ 4.5Ghz | Vcore: 1.300
    MSI 460GTX Hawk Talon Attack (900/4000) | 23C Idle / 65C max load / +100mV
    Kingston HyperX | DDR3 1600Mhz | Corsair H60 | 36C Idle / 65C max load
    500GB Seagate Barracuda 7200rpm| OCZ 600watt SXS PSU
    LG E2050T LED monitor
    3DMark11 P4560


  8. #58

    Default Re: Ud3p & e8400

    Well it could hurt as I am running prime95 now
    You should run a 50 pass of LinX
    Asus P8Z68-V PRO/GEN3 bios 3202
    2500k@4.7GHZ.
    CM Hyper 212 EVO blademasters push-pull
    8GB's Samsung 30nm tech ram 1.35v
    EVGA GTX 460 superclocked plus (part# 1G-P3-1372-TR)
    Seasonic X660
    Canada

  9. #59
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    Default Re: Ud3p & e8400

    Hahaha, yeah Id wait for that to complete.

    Im good tho' Ive been at 4.05Ghz for 3 months now. I was just toying around trying to hit 4.2-4.4Ghz the other day and forgot to set a couple things back.

    For 4.05Ghz I use the 2.4B strap, along with tighter timings. After seeing minimal gains going to 4.2Ghz, I realized Im more than content where I am now.. :)

    Ive already passed 10 hours of Prime95 blends /&/ Large FFT's. Ive also left IBT running at 2512MB for a solid 1.5 hours. Not to mention, I logged a good 10 hours this past weekend playing BC2 Muahaha ;)

    Prime my temps never exceed 58C
    BC2 surprisingly hit 59C
    and IBT running with a large allocation of memory hits 64C
    ASUS P8P67 rev3.1 | i5 2500K @ 4.5Ghz | Vcore: 1.300
    MSI 460GTX Hawk Talon Attack (900/4000) | 23C Idle / 65C max load / +100mV
    Kingston HyperX | DDR3 1600Mhz | Corsair H60 | 36C Idle / 65C max load
    500GB Seagate Barracuda 7200rpm| OCZ 600watt SXS PSU
    LG E2050T LED monitor
    3DMark11 P4560


  10. #60

    Default Re: Ud3p & e8400

    Yes Kick had to up the voltages
    tested the ram and cpu with Orthos under appropriate tabs for such
    the ram when Orthos testing of it in the drop down tab for such test errored after less than 4 minutes!!
    changed settings for the ram and retested that

    My 64 bit prime 95 can't run any other test than blend

    Also did an OCCT lin test with max 95% free memory used and it passed that as well for 1 hour of test.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster .........Auto
    CPU Clock Ratio .................9
    Fine CPU Clock Ratio ............0.0
    CPU Frequency ...................4.01(446x9)4014
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control............Enabled
    CPU Host Frequency (Mhz) .........446
    PCI Express Frequency (Mhz) ......100 Always 100
    C.I.A.2 ..........................Disabled
    Advanced Clock Control[Press Enter]
    CPU Clock Drive...................800
    PCI Express Clock Drive...........900
    CPU Clock Skew (ps)...............0ps
    MCH Clock Skew (ps)...............0ps
    DRAM Performance Control
    Performance Enhance................Standard
    Extreme Memory Profile (X.M.P.)....Disabled
    (G)MCH Frequency Latch.............Auto
    System Memory Multiplier ..........2.00D “D” straps 400fsb
    Memory Frequency (Mhz) ............800 @ 892mhz 1:1
    DRAM Timing Selectable ............Manual
    Standard Timing Control
    CAS Latency Time...................5
    tRCD ..............................5
    tRP'...............................5
    tRAS...............................12
    Advanced Timing Control
    tRRD...............................auto
    tWTR...............................auto
    tWR................................auto
    tRFC...............................auto
    tRTP...............................auto
    Command Rate (CMD) ................2T
    Driving Strength Profiles
    Driving Strength ...................1066
    Channel A
    Static tRead Value..................9
    tRD Phase0 Adjustment...............Auto
    tRD Phase1 Adjustment...............Auto
    tRD Phase2 Adjustment ..............Auto
    tRD Phase3 Adjustment...............Auto
    Trd2rd(Different Rank)..............Auto
    Twr2wr(Different Rank)..............Auto
    Twr2rd(Different Rank)..............Auto
    Trd2wr(Same/Diff Rank)..............Auto
    Dimm1 Clock Skew Control............Auto
    Dimm2 Clock Skew Control............Auto
    Channel B
    Static tRead Value.....................9
    tRD Phase0 Adjustment..................Auto
    tRD Phase1 Adjustment..................Auto
    tRD Phase2 Adjustment .................Auto
    tRD Phase3 Adjustment..................Auto
    Trd2rd(Different Rank).................Auto
    Twr2wr(Different Rank).................Auto
    Twr2rd(Different Rank).................Auto
    Trd2wr(Same/Diff Rank).................Auto
    Dimm1 Clock Skew Control...............Auto
    Dimm2 Clock Skew Control...............Auto
    Motherboard Voltage Control
    Voltage Type... Manual
    CPU
    Load Line..................Disabled
    CPU V core.................132500V
    CPU Termination…1.200V.....1.300V
    CPU PLL.........1.500V.....1.500V
    CPU Reference...0.760V.....Auto
    MCH/ICH
    MCH Core…………..1.100V........1.240V Northbridge
    MCH Reference….…….0.757V....Auto
    MCH/DRAM Ref.…....0.900V....Auto
    ICH I/O……………….....1.500V....1.500V
    ICH Core…………......1.100V....1.200V
    DRAM
    DRAM Voltage ……....1.800V...2.12V
    DRAM Termination .…0.900V...Auto
    Channel A Reference 0.900V..Auto
    Channel B Reference 0.900V..Auto
    Advanced BIOS Features
    Limit CPUID Max. to 3 .......Disabled
    No-Execute Memory Protect ...Enabled
    CPU Enhanced Halt (C1E) .....Enabled
    C2/C2E State Support ........Disabled
    x C4/C4E State Support ......Disabled
    CPU Thermal Monitor 2 (TM2) .Enabled
    CPU EIST Function ...........Enabled
    Asus P8Z68-V PRO/GEN3 bios 3202
    2500k@4.7GHZ.
    CM Hyper 212 EVO blademasters push-pull
    8GB's Samsung 30nm tech ram 1.35v
    EVGA GTX 460 superclocked plus (part# 1G-P3-1372-TR)
    Seasonic X660
    Canada

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