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Did I kill a core of my cpu?

A

antonio05

Junior Member
Ok
First of all this is my very first post on this forum
Here is the deal I have a grey box pc is a hp media center with a intel 820 in an Asus limestone or something like that I have no found any mention of this board on Asus so I guess they make it only for HP
So I hear somebody mention that this board can't over clock unless you use clock clockgen
so I use it I could only go from 2.8 (stock) to about 2.975 no anymore because it would crash after several attempts I found that that was my stress hold.
But last night while I was encoding some video I notice that I could over clock higher I reached and amazing 3.200 well to me it was amazing, don?t light.
Well the system perform well until the cpu drop from a full load then it crashed, so last night it was late and I did not wanted to start up the pc after turning it of.
So today I started and after a few minutes I heard the fan getting nosier so I check windows task manager and I was looking at an unusual cpu usage even that I have started the system I check on the performance tab and only one core was showing with quite a usage 75% not normal so I open cpuz and it shows only one core.
What do you think happened ?
Did I kill a core or what?
I restarted the pc and now both cores show and the cpu usage is normal the fan is quite
What happened?
Can a cpu still work even when one core is not working?
Hey thanks in advanced for reading this far.


 
Why is that it over clock to 3200 and reamain stable when other times would not go higer than 2.975?
Why did it crash when the cpu usage drop?
 
I've never heard of killing a core. Since the two cores are basically part of the same CPU, my guess is that frying any of the circuitry in one core would destroy the entire CPU.

I am not familiar with software overclocking. I always have used the BIOS for my overclocks. I'm not sure why it jumped up to 3.2 GHz, but that should still be fine for the 820 itself. I would wonder if maybe the chipset, memory or system bus would be okay, though.
 
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