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VMware releases Workstation 5.5

EMC subsidiary's new product offers better 64-bit and dual-processor abilities.

EMC subsidiary released version 5.5 of its workstation product Tuesday, bringing better 64-bit and dual-processor abilities to a product that lets customers run multiple operating systems on one computer.

The new version can run 64-bit versions of operating systems in partitions called virtual machines; the earlier version could only run virtual machines with 32-bit operating systems. The 64-bit feature is supported on Advanced Micro Devices' processors but only experimentally supported on Intel's rival chips so far. Also with Workstation 5.5, a single virtual machine can span two processors or processor cores, a useful feature now that dual-core chips are becoming more common.