Anonymous asked in Consumer ElectronicsGames & GearPlayStation · 6 months ago

Can a small chipped corner in a CPU die damage it?

In a ps3 board there is a chipped corner in the cpu diec Then there is like a small crack. Its only visible if you get real close with reflection of the light. Basically the ps3 just keeps giving a yellow light error.

1 Answer

  • 6 months ago
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    If it's in the silicon die itself, or a part of an IC casing that contains connections, then the device is wrecked.

    It can happen to any "bare die" device, if the heatsink is not fitted or removed absolutely parallel.

    It used to be particularly common problem with earlier PC CPUs, before the packages had "heat spreaders" built in - a slight wobble on the heatsink when fitting or removing it could cause enough pressure on a corner to break a piece off the IC die.

    Example with a GPU IC:

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