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Working CPUs with clearly chipped cores...

CZroe

CZroe

Lifer
I have a mobile Barton Athlon XP 2400+ that has a corner clearly chipped off. The guy that sold it to my brother and I had us test it first and it still ran so my brother gave him the money. I never thought twice about it until today when I encountered a REALLY badly chipped CPU that didn't work and remembered a friend's soldered-in Duron that he couldn't replace but still worked like a champ despite being chipped all over. Is it possible that a chipped core could only effect the CPU in certain ways while it still seems to boot and work properly for the most part? Is there some sort of test I can run them through for ease of mind?

I'm just wondering if it's even worth salvaging that Duron and if I should be worried about the mobile Barton AXP.
 
Yes. For instance, on the mobile Barton a tiny bit of one corner of the actual CPU die has been chipped off. On the Duron, there are chips on all sides! This is very common and is also the #1 cause of death for Socket A CPUs (See any e-retailer's return policy...). It usually happens when installing or removing the HSF because the cores are exposed (Unlike most Intel CPUs). They sell "shims" to enthusiasts who install/remove often but this question is for those who already knew that. 😉 Shims are slabs of metal which fill the gap around the die between the CPU substrate and the HSF with holes cut for the die and components
 
Originally posted by: CZroe
Is there some sort of test I can run them through for ease of mind?

I'm just wondering if it's even worth salvaging that Duron and if I should be worried about the mobile Barton AXP.
Click to expand...

prime95. There was something called stabtest (I think) that flogged the CPU pretty good. Some 3D game, or an old one like Quake2, if the video card is pathetic.

I would not fret over it if it works, unless you are using it to run life support. You can always replace it after it actually fails.

I chipped my Athlon 800 when those were a big deal. It ran for a couple years that way until I retired it for something better. I resurrected it to put in the old mobo when I upgraded mobos. It is still running today in a computer I gave away. They keep it on 24/7. Naturally I tested the crap out of it. I would not like to give anyone garbage. If there was a way to make it fail, I couldn't find it.

 
Hi, The processor part of the chip occupies about a 1/2" or less square in the center of the chip. The rest of the chip is so the pins can be run. If no broken connections to pins are visible in the crack then the Processor should work with no problems. Hope this helps a little, Jim
 
Only problem you might get is hotspots. But - if the cpu runs now with the chip then it is unlikely to be a problem in the near future.
 
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