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intel i5 strange behavior, runs with 2 cores or 4 under clocked at 22

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  • Quad Core
  • CPUs
  • Intel i5
Last response: in CPUs
September 8, 2013 1:07:36 AM

cpu puzzle for ya, got an i5 quad core here keeps crashing (blue screening etc) it runs fine with 2 cores disabled on board one and 1 core disabled on board 2, no signs of overheating (temp is usually 25C), runs fine with all 4 if i set the clock down from 32 to 22 speed stepping and turbo both turned off has no effect.. any ideas?

i used to think two of the cores were damaged now it looks more like a stability type issue, its as though there sharing a pooled resource

comes from a Zoostorm 7877-0095
Intel Core i5-2320 3.0Ghz processor


More about : intel strange behavior runs cores clocked

September 8, 2013 1:35:02 AM

Might want to look into the PSU. Could be supplying dodgy voltages. Do you know the PSU make and model?
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September 8, 2013 3:29:07 AM

shadow_city said:
Might want to look into the PSU. Could be supplying dodgy voltages. Do you know the PSU make and model?


Thanks for your response :) 

its just the stock psu, i believe i already tried this, but ill check again with a better psu, also i figure ill try if i can go with faster with three cores... if i can it would confirm that some shared resource is the cause based on frequency, i would expect it to be stable at 2.8/2.9ghz.. could the fsb to blame... i only changed down the clock speed though so this would be operating at its stock frequency i assume...
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