There's no denying that the PlayStation 3 is a complicated beast. One of the most finicky of the thousand-plus components in that concave box is the much-touted Cell processor, which uses high technology to speed the system along. And according to the Cell's maker, if things go wrong, the chip is smart enough that you won't even notice - in theory, at least.
alittle more info on Cell
PS3 Chip a Developer's Dream?:
Turn Down the Heat … Please
my comments about this article
The article crearly explains that cell has only a 10-20% of yields. Obviously, that figure is refering to the cell, with 8 fully working SPE´s. He then clearly stays that the yields percent increases to 40% when redundancy is applied. So, what is the redundancy that he is talking about? mthe original redundancy on cell chips that Ken Kutaragi originally explained, and that is using only 7 spes for the ps3, so that if a chip doesnt have 8 fully working SPEs, but 7 of them still work, they can be used in the console. The eight SPE is the redundant one, so taking in account that the eight SPE could be damaged but only seven of them are needed then the chip is still usable. Obviously, you have a higher percentage of having chips with 7 workings SPEs than having onces with 8 fully working ones.
Those with 8 fully working SPEs, whose yield rate is between 10-20%, are the one that are being used for military and medical agencies.
And before someone starts jumping the gun about the 40% yield rate still being too low, thats the same yield rate of the A64 chips.
And now regarding faulty PS3s. that article clearly explaings that sony is spending quite a fortune to assure that there are no faulty cell chips with their ps3s.
How are they achieving this? the article clearly states that they are using burn-in every chip, and that could cost as muchs as 1 dollar per chip. 6 Million ps3s in the end of march 2007, means at least 10 millions dollars spent just making sure that the chipos are not faulty. As much as 10 millions cuz not all the chips will be ok after the process.
If you want to know what is Burn-in, check this link:
this is the same story for the 3rd time from a different source, just like the one below this about backwards compatible it was just pulled from this interview, geesh how bout we check the news before it's posted mod.
I don't want to hear about this new technology anymore. It's getting so boring. Can we just wait till release?
This isn't a positive article. It's talking about how the PS3 could have had a redundant spe built in in case of breakage, but it doesn't. Add to that the story of one spe being utilized at all times by the OS (which will constantly run in the background) and you're now down to 6.
What does that mean to programmers? No idea...but I thought the redundancy was a good idea.
Even with 6 SPE's free PS3 is still more powerfull than Flopbox360.