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Thread: Opteron 146 overclock - where to go from here...

  1. #1
    Senior Member cptwhite_uk's Avatar
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    • cptwhite_uk's system
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    Opteron 146 overclock - where to go from here...

    Check my system spec on the left.

    I'm currently at stock volts @ 2.74Ghz



    Since I've had absolutely no hiccups getting the CPU this far I'm curious how much further I'd be able to push it - 3Ghz isn't so far away!

    Can someone point me in the direction of a motherboard that will give me more flexibility - I can't go higher than 274HTT on the 939Dual (BIOS limit). What would be the most economical board to try?

  2. #2
    Yeah dude! NightshadowUK's Avatar
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    • NightshadowUK's system
      • Motherboard:
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    Have you run Prime95/SP2004 at 2.7GHz?

    As for a new motherboard, I recommend something like the Abit KN8 Ultra as it can hit 300HTT and beyond.

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    you wont get better than the dfi nf4 ultra-d for overclocking

    btw i think that cpuz is out of date as i take it you dont have an S940 opteron

  4. #4
    Tastes like chicken leeglf's Avatar
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    i agree an ultra-d should help you squeeze some more out of it!

    i could not get over 2400mhz with my 3000+ and an abit av8 so i bought an dfi ultra-d and now i have got it at 2700mz and its 100% stable!


    PSN ID = leeglf

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    • jonathan_phang's system
      • Motherboard:
      • Asus Rampage III Extreme
      • CPU:
      • i7 930 @ 4.2 ghz (200x21)
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      • 12GB Corsair XMS3 1600
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    Well, thats pretty a pretty decent OC with stock voltage. If you have a look at my system (on the left) then you'll see that we share the same Mobo and CPU - although mine seems to be a crappy stepping, I have got it stable at 250x10 - and this allows me to run my memory at the full rated speed. Wish i could have got more, but i cant be bothered to try again, for the sake of a few 100mhz - need to get on and actually play some games!!

    But, before you go and buy a new mobo, what BIOS are you using for the board? I am currently on 1.5 which is old, but its stable so i havent got round to upgrading it. However, the 274 HTT lock has been removed as of BIOS version 1.8 and I've downloaded then (up until 2.1) and will give then a shot when i finally finish Oblivion. So maybe you could give that a shot - but you should be happy with a 2.7ghz chip really

    Let us know if you try out the new BIOSes

    JP

  6. #6
    Flat cap, Whippets, Cave. Clunk's Avatar
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    while the weather is hot, i wouldnt even bother, give it a couple of weeks and try again, 2.7 is very good anyway
    Quote Originally Posted by Blitzen View Post
    stupid betond belief.
    You owe it to yourself to click here really.

  7. #7
    Resident abit mourner BUFF's Avatar
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    Quote Originally Posted by cptwhite_uk
    I can't go higher than 274HTT on the 939Dual (BIOS limit). What would be the most economical board to try?
    get a modded BIOS
    http://www.ocwforums.com/bbs/forumdisplay.php?f=31

    MSI P55-GD80, i5 750
    abit A-S78H, Phenom 9750,

    My HEXUS.trust abit forums

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    • Curly's system
      • Motherboard:
      • Asrock 939-Sata 2
      • CPU:
      • Opteron 165 @ 2.52
      • Memory:
      • 2gb Geil Value Ram
      • Storage:
      • 900gb in various HD's
      • Graphics card(s):
      • 7800 gtx
      • PSU:
      • Hiper Type-R 580W
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      • Globalwin
      • Monitor(s):
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    iirc the official bioses now don't have the htt cap or cold boot issues with high htt, you could also look at doing a volt mod for vcore up to 1.55v (info in the link Buff posted)

    nice overclock btw, and good luck

    Curly

  9. #9
    Senior Member cptwhite_uk's Avatar
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    • cptwhite_uk's system
      • Motherboard:
      • Gigabyte GA-Z77Z-UD3H
      • CPU:
      • Intel i5 3570k @ 4.2Ghz
      • Memory:
      • 16Gb DDR3 Corsair Vengeance LP 1600Mhz
      • Storage:
      • SanDisk Ultra II 960Gb SSD / 750Gb Samsung F1
      • Graphics card(s):
      • MSI Gaming X GTX1080 8Gb
      • PSU:
      • Corsair 550W VX
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      • Operating System:
      • Windows 10 Home
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      • Internet:
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    I didn't realise they'd removed the HTT limit again. Can anyone confirm this? I'm only interested in pushing it at far I can on stock volts to be honest - not interested in volt modding this beauty

  10. #10
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    • Curly's system
      • Motherboard:
      • Asrock 939-Sata 2
      • CPU:
      • Opteron 165 @ 2.52
      • Memory:
      • 2gb Geil Value Ram
      • Storage:
      • 900gb in various HD's
      • Graphics card(s):
      • 7800 gtx
      • PSU:
      • Hiper Type-R 580W
      • Case:
      • Globalwin
      • Monitor(s):
      • Samsung syncMaster 205BW
      • Internet:
      • 4mb Virgin Media Cable
    there are loads of users with 300+htt on the OCW forums, do a search from the link in Buff post, I personaly only ever went as high as 280 with the official 1.8 bios.

    Curly

  11. #11
    lazy student nvening's Avatar
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    where to go from here... PUMP IT FULL OF VOLTS AND SEND THAT HTT SKY HIGH WITH A DFI FTW!!!!!!

    sorry - seriously though add a couple of volts just to nudge it up to 3GHz - you know its worth it.

    If you dont i am gunna have to confiscate your cpu.
    (\__/)
    (='.'=)
    (")_(")

  12. #12
    Senior Member Dark Horse's Avatar
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    You can't count on it hitting 3ghz but you have nothing to lose by trying. Opterons are generally voltage limited rather than temperature limited ie they hit a voltage wall over which no amount of voltage will increase your oc.

    It would definately be worth plotting on a graph the max stable overclock for each 0.02v (or even better 0.01v) voltage increase from stock to 1.6v. This will then give you a good indication of how your chip responds to voltage. You could also plot temperature to work or the best compomise between voltage, temps and clock speed.

  13. #13
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    Mine craps out just over 290 on stock volts. As I want a cool quiet system, I keep it to 280 (x10) max on the stock 1.4V (indeed it appears to be stable at 1.375, but there is no real benefit to this in terms of temperature).

  14. #14
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    Seems similar to my opty - i was wondering if 3ghz is possible. Stock volts went straight to 2.7ghz with no problems, it gets a little unstable at anything much over 2.8 though. But as someone else said, 2.7ghz is just fine What stepping is the chip btw?
    E8500 - DFI P45 - 4Gb Corsair DHX - 4850 crossfire - X-Fi - water cooled and nice and quiet

  15. #15
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    Would say the DFI Ultra D if want pcie and the MSI Neo2 for agp - had 3.0ghz with my 146 with both boards.

    Would say to update BIOS straight away to get best.

  16. #16
    Senior Member cptwhite_uk's Avatar
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    • cptwhite_uk's system
      • Motherboard:
      • Gigabyte GA-Z77Z-UD3H
      • CPU:
      • Intel i5 3570k @ 4.2Ghz
      • Memory:
      • 16Gb DDR3 Corsair Vengeance LP 1600Mhz
      • Storage:
      • SanDisk Ultra II 960Gb SSD / 750Gb Samsung F1
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      • Corsair 550W VX
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    Hmm I don't know the stepping - was bought from Scan at the beginning of the year when the product spec said "SUPER OVERCLOCKABLE" at the top ...hehe

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