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Need 720BE help...

post #1 of 8
Thread Starter 
After having my 720BE unlocked and overclocked to 3.5GHz for several months now (with 0 problems) I suddenly can't take it past 3GHz...
So im in an odd spot....

When I do put my old settings back, my PC restarts without a BSOD. out of the 10 times its done this it has given me a BSOD twice with no useful info (no error messages).

Now i have it on x3 @ 3.0 and its killing me.

How did I loose that 3.5GHz?
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From FX to i7
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post #2 of 8
what were/are your CPU and CPU-NB volts and settings of latter
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post #3 of 8
Thread Starter 
sorry to not post that before....
CPU 1.38 (EDIT: 1.42 now that i think about it..)
CPU/NB 1.3

If those wernt it they were extremely close, and to make sure i tried everything around those while trying to get 4 core and 3.3+GHz back...


Edited by FXTOi7 - 3/31/11 at 9:01pm
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From FX to i7
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post #4 of 8
I know this my be a stupid question...did u lock back the 4th core and try back your original clock...when you unlock a dormant core the processor needs more power to run the chip, is fir u used 1.38v to power the overclock with 3 core you may need 1.42v to power all 4 hence your instability.
X
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X
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post #5 of 8
Thread Starter 
Looks like bumping it up to 1.45 did the trick... I never ever have had it that high.... dont understand why it needs to be now...
too bad i cant monitor temps with the 4th core unlocked.... any found a solution to this yet?
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From FX to i7
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post #6 of 8
If you unlock it you loose the "right " to see to core temperature .You will see only de cpu temp .
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post #7 of 8
Thread Starter 
crap. still no luck.
Going to re seat the CPU and reapply thermal paste.

if this doesnt work looks like im getting a 1090t.
From FX to i7
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I7-7700K 5ghz delid MSI Z170A Gaming M7 1080Ti 32GB Trident Z @ 3600 
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From FX to i7
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CPUMotherboardGraphicsRAM
I7-7700K 5ghz delid MSI Z170A Gaming M7 1080Ti 32GB Trident Z @ 3600 
Hard DriveHard DriveOptical DriveCooling
Samsung PM961 M.2 850 Evo LG Bluray Drive Phanteks PH-TC14PE 
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Win 10 x 64 P2715Q 4K  EVGA SuperNOVA 750G2 Phanteks Enthoo Pro  
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post #8 of 8
Change the motherboard !
I ve had a issue like that in my 790XT-G45.Putting the CPU in another mobo made the CPU recover it s muscle.
If i m not mistaking your mobo has Nikos mosfets ,they started consuming themselves already forcing the mobo into OCP protection (my guess).
Edited by Dromihetes - 4/1/11 at 2:06am
   
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LG HD  Logitech generic Corsair CS650 Nexus Clodius White 
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A4 Crap Mionix Anus Xonar D1 
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