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I have an HP ML350 G3 machine with a Xeon CPU. The machine has several 64 bit expansion slots, but if I try to install 64 bit OS it says I have a 32 bit CPU. how can a 32 bit CPU have 64 bit slots?

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Just for a little more context system overview and processor specs – Journeyman Geek Apr 15 '12 at 23:59

The 64-bit PCI-X expansion slots are simply double-width versions of the standard 32-bit ones, to provide higher bandwidth. They have nothing to do with the actual CPU architecture.

See here for more information:

If the CPU is 32-bit, then you can only install a 32-bit operating system.

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Thanks for the answer, I kinda figured that was what was going on, seems kinda like false advertising to me :) – Dr.Doug Apr 15 '12 at 23:58

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