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Spot on. I used to work for an OEM, and the Intel and AMD engineers would quietly explain to us how this worked on a number of occasions. The AMD X3 chips I t
by ckozlowski 11y ago
Spot on.
I used to work for an OEM, and the Intel and AMD engineers would quietly explain to us how this worked on a number of occasions.
The AMD X3 chips I think were the best example of this being done. These were quad-core parts that AMD was manufacturing at the time, but had defect that made one core faulty. So that core was disabled, and sold as triple-core part.
http://www.zdnet.com/article/why-amds-triple-core-phenom-is-a-bigger-deal-than-you-think/ http://www.zdnet.com/article/why-amds-triple-core-phenom-is-...
- mud_dauber 11y agoI would expect that partially defective chips are repaired during probe or (more likely) final test by blowing fuses. The chip's yields, and therefore cost, will depend on the foundry's natural defect rate per area and the design quality.