Assuming you mistyped and meant "without a cpu in", you'd get a beep code from the self-test (code depends upon BIOS type) complaining about a CPU error, or at worst nothing at all. It wouldn't damage anything.
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Anonymous2006-03-01 18:12 (sage)
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Anonymous2006-03-01 18:34
yea it was a typo, and thanks for the answer
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Anonymous2006-03-01 22:19
IT WOULD SAY " ZOMG MAI JIGAWHUTS HAZ BEEN STOLENZ ROFL KTHXBAI!"