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Thread: Core i7 920 rev D0 stepping 5 :)

  1. 07-05-2009, 08:54 PM #926
    fallwind
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    Quote Originally Posted by rpg711 View Post
    Anyone have a 3849B040? I just got it from microcenter, no board or anything else yet, but I would like to know what to expect(so i'm not too surprised when it clocks like crap )
    Edit: seems like someone has one that is the same time-made cpu as me... but is the number after the batch the CPU number during production or something? In other words, what part of this batch actually defines which "family" the chip is in.
    I have a 3849B041. It does 4.2 at 1.25v (according to CPUz) and 4.4 at 1.35v, all full stable. 4.4 runs 75c though on water so I backed it back down to 4.2 where it runs 55-60c.
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  2. 07-09-2009, 06:19 PM #927
    MACMAC
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    Someone want to help me pick which chip to keep?



    I smell cherries everywhere
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  3. 07-09-2009, 09:50 PM #928
    zlojack
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    Quote Originally Posted by MACMAC View Post
    Someone want to help me pick which chip to keep?



    I smell cherries everywhere
    Both of those 920 batches have seen excellent results!

    You know who to call when you want to sell one of those...your fellow Canuck
    RIG 1 (in progress):
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  4. 07-09-2009, 10:50 PM #929
    Dahmer
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    Quote Originally Posted by darkman View Post
    sorry for the 3845b258 not in the list are these:

    3852a277
    3849a824
    3851a286
    3850a319
    3850b177
    3908A419
    I got a 3851a282 chip and....I suggest you stay away from that one :p
    4ghz requires 1.4 in bios (1.344 stressed according to cpu-z)
    System 1 (mine):
    CPU: i7 920 D0 stable at 4.0 GHz cooled by Scythe Mugen 2000
    GPU: PowerColor HD5850 (950/1250 1.2V)
    Motherboard: Gigabyte GA-EX58-UD5 Memory: 6GB DDR3 GeiL @ 1528 MHz
    System 2 (gf's):
    CPU: i7 920 D0 currently at 4.2 GHz cooled by Noctua NH-D14 (needs more tweaking/testing)
    GPU: Club3D HD5850 (awaiting OC)
    Motherboard: Gigabyte GA-EX58-UD3R Memory: 6GB DDR3 Corsair @ 1600 MHz
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  5. 07-09-2009, 10:56 PM #930
    angelreaper
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    Quote Originally Posted by MACMAC View Post
    Someone want to help me pick which chip to keep?



    I smell cherries everywhere
    Xeon 3845A935 is very good:

    http://www.xtremesystems.org/forums/...&postcount=904
    Last edited by angelreaper; 07-09-2009 at 11:12 PM.
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  6. 07-10-2009, 07:57 AM #931
    Nunzi
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    edit
    Asus Rampage III Extreme i7 970@ 4.26
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  7. 07-10-2009, 08:07 AM #932
    LiberalElephant
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    Ive got a 920 3845A chip coming next week....Im hoping for 4.4 w/ less than 1.4v.
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  8. 07-10-2009, 08:53 AM #933
    Splave
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    you guys are your batch numbers make me lol
    Quote Originally Posted by L0ud View Post
    So many opinions and so few screenshots
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  9. 07-12-2009, 08:46 AM #934
    ben805
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    If you can get your hands on several 3844A717 SLBEJ (D0) packing date 2/20/09...would you guys do it? I believe those are the very first D0 batch that went through the transition from C0 to D0, the earlier 3844A are of C0 and the later 3844A became D0.
    Core i7 920 D0 3844A717 4.40Ghz HT on @1.36v (LinX/Prime/3D stable), Corsair 850W, 12GB OCZ Platinum 1600, P6T Deluxe V2, EVGA GTX 285 SS, OCZ Vortex SSD 30GB x3 RAID0, HAF 932.
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  10. 07-12-2009, 10:05 AM #935
    roller11
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    Of course it depends on the price and what your need for 920 D0 is.
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  11. 07-14-2009, 08:53 PM #936
    LionRed
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    I have a 920 D0 Batch 3845B260 SLBEJ, seems to do ok.
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  12. 07-14-2009, 09:24 PM #937
    Dahmer
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    Quote Originally Posted by Dahmer View Post
    I got a 3851a282 chip and....I suggest you stay away from that one :p
    4ghz requires 1.4 in bios (1.344 stressed according to cpu-z)
    Scratch the info... 1.4 is if you use x20
    x21 right now requires 1.28 stressed for 4.0 GHz
    System 1 (mine):
    CPU: i7 920 D0 stable at 4.0 GHz cooled by Scythe Mugen 2000
    GPU: PowerColor HD5850 (950/1250 1.2V)
    Motherboard: Gigabyte GA-EX58-UD5 Memory: 6GB DDR3 GeiL @ 1528 MHz
    System 2 (gf's):
    CPU: i7 920 D0 currently at 4.2 GHz cooled by Noctua NH-D14 (needs more tweaking/testing)
    GPU: Club3D HD5850 (awaiting OC)
    Motherboard: Gigabyte GA-EX58-UD3R Memory: 6GB DDR3 Corsair @ 1600 MHz
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  13. 07-15-2009, 02:32 PM #938
    WCRF
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    Does anybody know what is the official Intel's batch # sequency?

    What would be the newest, 385xBxxx or 39xxAxxx??
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  14. 07-15-2009, 02:38 PM #939
    road-runner
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    Quote Originally Posted by ben805 View Post
    If you can get your hands on several 3844A717 SLBEJ (D0) packing date 2/20/09...would you guys do it? I believe those are the very first D0 batch that went through the transition from C0 to D0, the earlier 3844A are of C0 and the later 3844A became D0.
    Picked up a 3844A717 this morning, threw it in the classified and run 20 passes linx at 4.4Ghz with 1.375 vcore, not a bad chip I guess.

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  15. 07-15-2009, 03:47 PM #940
    ben805
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    Quote Originally Posted by road-runner View Post
    Picked up a 3844A717 this morning, threw it in the classified and run 20 passes linx at 4.4Ghz with 1.375 vcore, not a bad chip I guess.
    mine is similar....4.40Ghz only needed 1.368vcore in LinX, but Prime95 crashed in 6hr with 1.387v and needed 1.40v for 10+hr run. 3844A717 runs much cooler than the 3849A that I had.
    Core i7 920 D0 3844A717 4.40Ghz HT on @1.36v (LinX/Prime/3D stable), Corsair 850W, 12GB OCZ Platinum 1600, P6T Deluxe V2, EVGA GTX 285 SS, OCZ Vortex SSD 30GB x3 RAID0, HAF 932.
    Water Cooling Setup: XSPC RX360, MCP355 + XSPC Res Top, Swiftech GTZ, 1/2" Tygon, Scythe S-Flex SFF21F push, 20mm yateloon D12SL-12C pull.

    Opteron 148 CABNE 0528 GPMW 3.1Ghz @1.6v Prime Stable. Westy 37" LVM-37W3, DFI Venus 975, 2GB TeamX Cronus Micron, GSkill HZ, Sapphire X1900XTX, Zippy 700W, X-Fi Xtrememusic, 36GB Raptors x2 @Raid-0.
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  16. 07-15-2009, 06:37 PM #941
    jcniest5
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    Quote Originally Posted by WCRF View Post
    Does anybody know what is the official Intel's batch # sequency?

    What would be the newest, 385xBxxx or 39xxAxxx??
    The 39 is newer. It indicates the CPU is made in '09. The 38 is made back in '08 week 50 something.
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  17. 07-15-2009, 06:40 PM #942
    jcniest5
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    Quote Originally Posted by road-runner View Post
    Picked up a 3844A717 this morning, threw it in the classified and run 20 passes linx at 4.4Ghz with 1.375 vcore, not a bad chip I guess.
    Yeap, I saw a bunch of them at my local MC.
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  18. 07-16-2009, 03:47 AM #943
    WCRF
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    Quote Originally Posted by jcniest5 View Post
    The 39 is newer. It indicates the CPU is made in '09. The 38 is made back in '08 week 50 something.
    Thank you very much for your reply, jcniest5...
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  19. 07-17-2009, 12:43 PM #944
    carlo1
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    Hi guys, i can take one of these batch: 3842B037 - 3848A657 - 3851A258. can you tell me any information about them? Which is the best?
    Thank's
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  20. 07-17-2009, 12:54 PM #945
    Garrett
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    I guess the 3842 is a C0 so you'd better skip that one, week 48 and 51 hmmmm... not sure about those... tricky choice...

    I googled the last two steppings and the 3851 will do 4.2ghz on a DFI X58 board...
    lol... This forum requires that you wait 70 seconds between posts. Please try again in 8 seconds.
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  21. 07-20-2009, 03:55 PM #946
    three4seven
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    Quote Originally Posted by ben805 View Post
    mine is similar....4.40Ghz only needed 1.368vcore in LinX, but Prime95 crashed in 6hr with 1.387v and needed 1.40v for 10+hr run. 3844A717 runs much cooler than the 3849A that I had.
    Curious to know - did you have a 3849A866?

    I saw both at MC - the 3844A717 and the 3849A866 and after doing some research, it seemed that the 3849A866 was able to clock higher with lower voltages than the 3844A
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  22. 07-20-2009, 04:03 PM #947
    iboomalot
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    thinking of upgrading to I7 920 from my wolfy e8400

    but this PQ5 mobo has been a POS and I have been living on a single 2gb stick for a yr now

    overall the system isn't bad but what mobo and ram combo is reasonably affordable and should hold a 4ghz stable OC. ???

    Buy an older used 920 or will the new stepping be faster???
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  23. 07-25-2009, 08:06 AM #948
    WCRF
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    Quote Originally Posted by angelreaper View Post
    Xeon 3845A935 is very good:

    http://www.xtremesystems.org/forums/...&postcount=904
    Yes, it is!!!

    Last edited by WCRF; 08-17-2009 at 02:51 PM.
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  24. 08-07-2009, 08:20 PM #949
    YngDiego
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    I just got a 920, and it's batch 3919A509. So far I'm just being conservative with my Asus P6T Deluxe v2 and running at 160 x 21 @ 1.248v (per CPU-Z). So far running at 73c under 8 threads of Prime95. So far so good! Reminds me of the old Intel Celery days....50% OC!
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  25. 08-14-2009, 06:36 AM #950
    Ch3ck5um
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    Just got a 3908A419 hopefully tonight I will see how it performs
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