Two Quad-core Procesors - only one shows up



I bought Windows Home Premium. I have a dual processor workstation. Each
processor is quad-core XEON 5355. Only one got installed, so my task manager
only shows 4 cores, and DxDiag only shows one processor.

In XP Pro I see all 8 cores. Did I get the wrong version of Vista?


Vista home only supports 1 CPU chip. DXdiag is reporting the number of CPU
chips not the number of cores.

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