Manufacturing Industry

Big heart.(Flash: PCs & workstations)

Design News, October, 2003 by Teague, Paul E.

Apple Power Mac[R] G5. This personal computer has a big heart--specifically, a 64-bit processor, which Apple claims is a first for a PC. It beat out Xeon and Pentium 4 processors in a SPEC CPU 2000 benchmark test. And, it will still run 32-bit applications. The guts also include dual 2.0 GHz PowerPC G5 processors, each with an independent 1 GHz front-side bus. The electronics can build u p a lot of heat, so Apple designed a proprietary computer-controlled cooling system to get rid of it. The thermal management design includes four discrete thermal zones to compartmentalize primary heat-producing components. Fans run at low speeds to keep the machine quiet. (www.apple.com) Enter 584

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