"IBM's PowerPC is also the chip used in Apple's G5 computers. In a similar use of the PowerPC technology, Virginia Polytechnic built a low-cost supercomputer by tying together 1,100 G5s. Pending verification, this computer was ranked in the top five supercomputers. " The Blue Gene computers will run on the Linux operating system. Because of the vast amount of processors in the machines, the OS will be incorporated into only a small portion of the computers' total. More on this from Tech Extreme.
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