i7 920 cpu would it fit a amd3 socket .

Solution
Never. Its impossible as the socket will not just let the CPU fit in , forget about chipset and other issues.
Get a motherboard with the LGA 1336 socket. That will be compatible with the i7-920.

DragonChase

Honorable
May 22, 2013
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Supported CPU's:

AMD AM3 Phenom™ II/Athlon™ II/Sempron™ 100 Series Processors
Supports AM3 45 nm CPU
Supports CPU up to 140 W
AMD Cool 'n' Quiet™ Technology


Answer no, so you would have to make a choice between the CPU's listed here.