Soldato
This has literally just happened 
I've recently got a Q6600, and was overclocking it. Nothing major, I'd worked up from stock to 3Ghz with 1.4V.
So I'm running prime and keeping an eye on temps, up to 71 on 2 cores(freezer 7 pro) thinking to myself, I might not have seated the HSF properly, it felt a little funny when I put it on.
Not going any higher than 71 though and prime going ok, I glance to my right and see smoke pouring (this is no exaggeration) out the top of the machine!!
I immediately hit the power button and wrench the plug from the back at the same time, looking back at the screen everything is still going fine and temps still at 71 just before I kill the power!
Now smoke is everywhere, smoke alarm is going off, I open windows and shut the alarm up whilst cursing myself for being such a twonk, then come back to inspect the damage. This is what I found:
P4 wire (I unplugged it) is completely fried, from the back:
And once I took it out:
Now this as you can see is a cheap auction site extension cable, I immediately start cursing the day I thought I would tidy up my cables!
Anyway I remove the HSF and CPU looks fine, no visible damage to the motherboard, I reseat the HSF and connect the PSU P4 directly (which is completely fine BTW). I start it up and it lives!!! My prayers have been answered.
So now I'm scared as hell to overclock the thing and my house smells of burnt plastic. Somehow I'm going to have to get rid of this stink before my GF gets back or she will go mental, as I often leave this rig on 24/7 for folding!
So anyone know what happened here? My theory is cheap cable not designed to take the extra current with the overclock?
I've recently got a Q6600, and was overclocking it. Nothing major, I'd worked up from stock to 3Ghz with 1.4V.
So I'm running prime and keeping an eye on temps, up to 71 on 2 cores(freezer 7 pro) thinking to myself, I might not have seated the HSF properly, it felt a little funny when I put it on.
Not going any higher than 71 though and prime going ok, I glance to my right and see smoke pouring (this is no exaggeration) out the top of the machine!!
I immediately hit the power button and wrench the plug from the back at the same time, looking back at the screen everything is still going fine and temps still at 71 just before I kill the power!
Now smoke is everywhere, smoke alarm is going off, I open windows and shut the alarm up whilst cursing myself for being such a twonk, then come back to inspect the damage. This is what I found:
P4 wire (I unplugged it) is completely fried, from the back:
And once I took it out:
Now this as you can see is a cheap auction site extension cable, I immediately start cursing the day I thought I would tidy up my cables!
Anyway I remove the HSF and CPU looks fine, no visible damage to the motherboard, I reseat the HSF and connect the PSU P4 directly (which is completely fine BTW). I start it up and it lives!!! My prayers have been answered.
So now I'm scared as hell to overclock the thing and my house smells of burnt plastic. Somehow I'm going to have to get rid of this stink before my GF gets back or she will go mental, as I often leave this rig on 24/7 for folding!
So anyone know what happened here? My theory is cheap cable not designed to take the extra current with the overclock?
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But glad every works after 
