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Thread: Very weird problem OCing 955BE

  1. #1
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    Very weird problem OCing 955BE

    Having a very odd problem here.

    I'm trying to OC my cpu (Obviously) and whilst I can change the multiplier in AMD OverDrive very easily (In fact I hit 3.8Ghz stock voltage linpack stable and 4Ghz @ 1.4V - didn't get a chance to go higher before hitting this odd issue).

    The problem I'm having is that if I set the multiplier to higher than 18.5x (3.7Ghz) in my bios the CPU gets limited to 2.5Ghz (12.5x multiplier) Although everything including OverDrive detects the 'correct' frequency, but the CPU is only running at 2.5Ghz. If I set the multiplier in the bios to 18.5x I can still push it higher using OverDrive without any issue at all.

    Here is a screenshot showing the problem (Compare Target Speed to Current Speed in OverDrive):


    Could this have something to do with Cool'n'Quiet. Didn't get a chance to try turning it off before having to leave for work this morning.

    I am seriously impressed with this chip btw (3.8 stable stock voltage and I can get 3.9 almost stable)

    BTW: Specs are in my sig.
    AMD Phenom II 955BE | HD5850 1GB | DFI 790FXB-M2RSH | 4GB Corsair Dominator 1066MHz

  2. #2
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    Thank you to everybody who didn't answer...

    Turned off Cool'n'Quiet and the cpu is running at the correct speeds.
    AMD Phenom II 955BE | HD5850 1GB | DFI 790FXB-M2RSH | 4GB Corsair Dominator 1066MHz

  3. #3
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    Quote Originally Posted by irenedakota View Post
    Thank you to everybody who didn't answer...
    you gave it 5 hours in section of forum that hasnt had a post for 2 weeks - next time post in the regular amd section and im sure you will get many replies, no one checks here as frequently as there.
    LEO!!!!
    amd phenom II x6 1100T | gigabyte 990fxa-ud3 . .
    2x2gb g.skill 2133c8 | 128gb g.skill falcon ssd
    sapphire ati 5850 | x-fi xtrememusic. . .
    samsung f4 2tb | samsung dvdrw . .
    corsair tx850w | windows 7 64-bit.
    ddc3.25 xspc restop | ek ltx | mc-tdx | BIP . .
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  4. #4
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    Quote Originally Posted by crazydiamond View Post
    you gave it 5 hours in section of forum that hasnt had a post for 2 weeks - next time post in the regular amd section and im sure you will get many replies, no one checks here as frequently as there.
    Yeah, I suppose I also should try not to post when I'm tired and cranky
    AMD Phenom II 955BE | HD5850 1GB | DFI 790FXB-M2RSH | 4GB Corsair Dominator 1066MHz

  5. #5
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    no problem =)
    LEO!!!!
    amd phenom II x6 1100T | gigabyte 990fxa-ud3 . .
    2x2gb g.skill 2133c8 | 128gb g.skill falcon ssd
    sapphire ati 5850 | x-fi xtrememusic. . .
    samsung f4 2tb | samsung dvdrw . .
    corsair tx850w | windows 7 64-bit.
    ddc3.25 xspc restop | ek ltx | mc-tdx | BIP . .
    lycosa-g9-z2300 | 26" 1920x1200 lcd .

  6. #6
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    FYI (even if very late!), usually CnQ is fine until 18.5X but after that simply stops working even if left enabled (but without that bug).
    STRIX X470-F | R5 2600X, PBO OC + TRUE Bk Rev.A, 2xGT AP-15 | 2x8GB Flare X 3200C14 @3200MHz/CL14-14-14-34-1T| RX480 Gaming X 8G @1316/2025 | SB Z | M500 240GB, DT01ACA200, AD-7243S | Lian-Li PC-B70: FC5V2 + 2xNB PK-2, 2xNB PL-2 | RM750

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