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Thread: i5-2500K/2600K batch number and o/c results

  1. #1051
    Xtreme Member PolRoger's Avatar
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    Quote Originally Posted by papatsonis View Post
    i "envy" all of you , i just got the following 2600k, and have to w8 ~10days for a B3 mainboard...
    Some of the L041Cxxx batch(s) have produced some nice clocking chips (even though there can be both strong and weak in each batch). Yours is the first I've seen ending with ...236 so I look forward to seeing your results.
    Haswell/IB/SB on a Dimastech Bench table.

  2. #1052
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    I got the same batch and 5ghz needs 1.42v+ for 8hr prime stable. So I stayed at 4.8ghz also.

    Quote Originally Posted by Mysterfix View Post
    Been working on this one for a while, I got 4.8ghz down to 1.36v but 5ghz is still a mystery. I can get IBT and Lynx to go just fine but prime gives me a random restart every time.
    Batch#: L042B291



    Intel I5 2500k 4.8Ghz@1.38v w/ Noctua NH-D14
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  3. #1053
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    I replace my 2600K and wanted to try a 2500K this time. No tweaking at all.
    1.36v set in bios. Dont care about the timings, i can press it down to 7-7-7-20 1T and that should do something in S-pi

    Batch: L041C124



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  4. #1054
    Xtreme Member Elmy's Avatar
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    Batch # L041C106

    5.0 GHZ stable at 1.47 but not anything lower.

    Can bench at 52X but not 53X but I can boot @ 53X



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  5. #1055
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    Wow I thought those C chips were mostly sexy. Too much volts for 5ghz.
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  6. #1056
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    How much voltage is too much volts for air cooling? Right now I am able to get my 2600k(L042B243) with 1.5V for 5ghz and 1.525 for 5.2ghz.

  7. #1057
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    I wouldn't be do 1.5 for 5ghz when you can do 4.7-9 for less then 1.4v.
    Intel I5 2500k 4.8Ghz@1.38v w/ Noctua NH-D14
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  8. #1058
    Xtreme Addict aussie-revhead's Avatar
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    Quote Originally Posted by Peter949 View Post
    Wow I thought those C chips were mostly sexy. Too much volts for 5ghz.
    Yeah same here, I guess that myth just got destroyed .....

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  9. #1059
    I am Xtreme FlanK3r's Avatar
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    Quote Originally Posted by Asmola View Post
    My new 2600K batch L042B074 boot up's with multi 56x, and stable 5GHz frequency requires only 1.35v!
    As you can see from temps that's aircooled with Prolimatech Super Mega.

    hm, the same as LINX "bug", very low GFloops for 5 GHz..
    but still good, hope, u are still AMD man
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  10. #1060
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    Another quick S-pi test and finally broke my 7s in S-pi.
    L041C124



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    Tried to boot at x56 but it just reset to x33. Any tips what i can do to try boot over x55 ?
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  11. #1061
    Xtreme Member PolRoger's Avatar
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    Quote Originally Posted by aussie-revhead View Post
    Yeah same here, I guess that myth just got destroyed .....


    SB seems to have both stronger and weaker in every batch... although some batch(s) seem to be a little more consistent than others.

    I tested three from ...C106

    ~ VID

    1@ 1.250v
    1@ 1.245v
    1@ 1.210v

    I've been holding on to the 1.210v sample... seems to boot 54x but not 55x
    and I'm not sure where/what the max bclk frequency is for it?

    http://www.xtremesystems.org/forums/...postcount=1539




    Quote Originally Posted by ante_ante View Post
    Another quick S-pi test and finally broke my 7s in S-pi.
    L041C124



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    Tried to boot at x56 but it just reset to x33. Any tips what i can do to try boot over x55 ?
    another nice ...C124 sample...

    High multi (bootable) chips 56x(+) are pretty rare and randomly chip dependent.

    If bumping vcore doesn't help with booting 56x then you may be able to get to 5.6 range via bclk.
    Haswell/IB/SB on a Dimastech Bench table.

  12. #1062
    XIP Dumo's Avatar
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    Sweet spots for gem 2600K are 54X and 55X, it needs BCLK 107+ and 105+ respectively to compete with 980X @ >6Ghz. Then again rams should be able to run @ high BCLK
    56X and 57X are those 2500/2600K that are 5.8+Giger
    Last edited by Dumo; 03-07-2011 at 05:51 AM.

  13. #1063
    Xtreme Addict LagunaX's Avatar
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    Got really tired of the problem resuming from S3 sleep with Internal PLL Overvoltage on for 4.9ghz with 1.36v set in bios, 1.4v load under linX.

    Currently settling for 4.8ghz with PLL off so the S3 resume from sleep doesn't require a hard power off ond restart:



    Internal PLL Overvoltage: Off
    Memory Frequency: DDR3-2133mhz
    Load-Line Calibration: Extreme
    VRM: Auto
    Phase Control: Extreme
    Duty Control: T.Probe
    CPU Current Capability: 110%
    CPU Voltage: 1.32v

    Vcore 1.32v set in bios, ranges 1.32v idle to 1.36v max under linX,
    i7-2600k L041C108 4.8ghz 1.32v PLL off Venomous-X Push/Pull http://www.xtremesystems.org/forums/...postcount=1063
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    G.Skill F3-12800CL6D-4GBXH @ 7-10-8-27 1T DDR3 2133 1.6v http://www.xtremesystems.org/forums/...d.php?t=266839

  14. #1064
    Xtreme Member ugotd8's Avatar
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    Quote Originally Posted by LagunaX View Post
    Got really tired of the problem resuming from S3 sleep with Internal PLL Overvoltage on for 4.9ghz with 1.36v set in bios, 1.4v load under linX.

    Currently settling for 4.8ghz with PLL off so the S3 resume from sleep doesn't require a hard power off ond restart:
    ...

    Internal PLL Overvoltage: Off
    Memory Frequency: DDR3-2133mhz
    Load-Line Calibration: Extreme
    VRM: Auto
    Phase Control: Extreme
    Duty Control: T.Probe
    CPU Current Capability: 110%
    CPU Voltage: 1.32v

    Vcore 1.32v set in bios, ranges 1.32v idle to 1.36v max under linX,
    That is just a really nice OC... very nice.

    Any changes to VCCIO, VCCSA or PCH ? Also, I assume it's win7 with SP1 & AVX on linX ?
    I7-3930K @ 4.8Ghz (1.35) / R4E / 16GB Samsung LV @ 2133 (1.38V) / Crucial M4 128GB / Caviar Black 1TB / HD6850 / Corsair AX850 / MCP355->RX360->SR1-360->XSPC Raystorm->EK-R4E-LE / DD Double-Wide Horizontal

  15. #1065
    Xtreme Addict LagunaX's Avatar
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    Oh yeah, other specs:
    i7-2600k L041C108 S/N: 2L043107A4661
    Asus P8P67 Bios 1305 on air cooling Venomous-X 2 fans (can probably drop a fan on 4.8ghz...)
    Win 7 SP1 x64 with AVX
    $79.99 G.Skill F3-12800CL6D-4GBXH (2x2GB) 1.5v @ DDR3 2133 CL7 1.6v!
    http://www.xtremesystems.org/forums/...d.php?t=266839
    No other changes in VCCIO, VCCA, PCH, or any other major thing in the overclocking section.

    Haven't had time but got an i5-2500k L041C123 I'm going to drop in soon to see if i can get higher with PLL Overvoltage off...
    Last edited by LagunaX; 03-07-2011 at 03:19 PM.
    i7-2600k L041C108 4.8ghz 1.32v PLL off Venomous-X Push/Pull http://www.xtremesystems.org/forums/...postcount=1063
    Asus P8P67 Vanilla
    Samsung 30nm MV-3V4G3D/US 2x4GB @ 9-10-10-28 1T DDR3 2133 1.6v http://www.techpowerup.com/forums/sh...d.php?t=159320
    Diamond HD 7970
    WD 600GB Velociraptor
    Corsair TX750W
    CM 690 II Advanced

    Q822A549 E8500 @ 4.5ghz air TRUE @ http://www.xtremesystems.org/forums/...d.php?t=203762

    G.Skill F3-12800CL6D-4GBXH @ 7-10-8-27 1T DDR3 2133 1.6v http://www.xtremesystems.org/forums/...d.php?t=266839

  16. #1066
    Xtreme Addict aussie-revhead's Avatar
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    Does anyone know a store that has these- 2600k L041C108

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  17. #1067
    Xtreme Member Unrealer's Avatar
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    Quote Originally Posted by Unrealer View Post
    2500K L046B079T

    5Ghz
    Prime95 Small FFTs: 6:40h
    Frecuency: 50x100
    LLC: High
    Offset: +0.100
    Vcore max.: 1.44v
    Temp. max.: 60-64-66-64




    4.8Ghz
    Prime95 Blend: 10:02h
    Frecuency: 48x100
    LLC: Ultra High
    Offset: +0.015
    Vcore: 1.36-1.38v
    Temp. max: 55-59-60-58 (21º ambient temp.)




    more...


    5.1Ghz
    Prime95 Blend: 10:32h
    Frecuency: 51x100
    LLC: High
    Offset: +0.150
    Vcore: 1.48-1.49v
    Temp. max: 61-65-67-65 (18º ambient temp.)








    And Gflops at 5Ghz:

    Core i7 2500k@5.0GHz - 125,00Gflops









    Last edited by Unrealer; 03-07-2011 at 05:01 PM.






  18. #1068
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    I'm going to pickup some 2500k and 2600k at Microcenter , Any one here have experience with batch code number lately at MC ?

  19. #1069
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    Quote Originally Posted by 5746 View Post
    I'm going to pickup some 2500k and 2600k at Microcenter , Any one here have experience with batch code number lately at MC ?
    Which MC? At the Twin Cities/Saint Louis Park, MN, there are four batches currently available: L040B305, L042B208/243 and L050A853. Neither of these are great OCers, by the way. I have the L050A853 and it seems to be the better among them. But then again, it could just be my crappy board. Who knows since I don't have two boards to compare, I really don't know.
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  20. #1070
    Xtreme Addict C-N's Avatar
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    Think its just random luck guys, I have a L050A864 & its a champ

    Runs 100BCLK 0.01v lower on 2 cores & .025v higher for 4 cores



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  21. #1071
    Xtreme Member PolRoger's Avatar
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    Quote Originally Posted by 5746 View Post
    I'm going to pickup some 2500k and 2600k at Microcenter , Any one here have experience with batch code number lately at MC ?
    Quote Originally Posted by jcniest5 View Post
    Which MC? At the Twin Cities/Saint Louis Park, MN, there are four batches currently available: L040B305, L042B208/243 and L050A853. Neither of these are great OCers, by the way. I have the L050A853 and it seems to be the better among them. But then again, it could just be my crappy board. Who knows since I don't have two boards to compare, I really don't know.
    I've tested a few of the L050A853 and some of them are quite decent but as with most SB batch(s) there is both stronger and weaker samples out there.

    I would consider that batch if it were available at your MC... also another decent batch that may still be at some MC is the L041C108 batch.
    Haswell/IB/SB on a Dimastech Bench table.

  22. #1072
    Xtreme Addict aussie-revhead's Avatar
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    Has anyone tried an L040B705 ?

    Bencher/Gamer(1) 4930K - Asus R4E - 2x R9 290x - G.skill Pi 2200c7 or Team 2400LV 4x4GB - EK Supreme HF - SR1-420 - Qnix 2560x1440
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    PB 1xTitan=16453(3D11), 1xGTX680=13343(3D11), 1x GTX580=8733(3D11)38000(3D06) 1x7970=12059(3D11)40000(vantage)395k(AM3) Folding for team 24

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  23. #1073
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    Quote Originally Posted by PolRoger View Post
    I've tested a few of the L050A853 and some of them are quite decent but as with most SB batch(s) there is both stronger and weaker samples out there.

    I would consider that batch if it were available at your MC... also another decent batch that may still be at some MC is the L041C108 batch.
    Thanks you ! I will try when I go to MC Santa Clara.

    By the way , If any one have 2500k or 2600k which can run at 55X or more FOR SALE , PLEASE PM ME

  24. #1074
    Xtreme Addict aussie-revhead's Avatar
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    lol I posted WTB for decent 2600K but no bites, I think they are that hard to get that anyone with one will hold on to it.

    Bencher/Gamer(1) 4930K - Asus R4E - 2x R9 290x - G.skill Pi 2200c7 or Team 2400LV 4x4GB - EK Supreme HF - SR1-420 - Qnix 2560x1440
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    PB 1xTitan=16453(3D11), 1xGTX680=13343(3D11), 1x GTX580=8733(3D11)38000(3D06) 1x7970=12059(3D11)40000(vantage)395k(AM3) Folding for team 24

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  25. #1075
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    Many of us here have gone through many chips before getting one that really cranks beyond multi 55 so yes we tend to want to keep them around.

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