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If it's a Core ix chip, it should be 64-bit. I believe Core 2 was stuck in 32-bit but someone correct me if that isn't the case.
 
Here's what I've got:

Model Name: iMac
Model Identifier: iMac10,1
Processor Name: Intel Core 2 Duo
Processor Speed: 3.06 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache: 3 MB
Memory: 4 GB
Bus Speed: 1.07 GHz
Boot ROM Version: IM101.00CC.B00
SMC Version (system): 1.52f9
Serial Number (system): xxxxxxxxxxx
Hardware UUID: 17818193-DEB8-5448-B82A-89A70B5DA26D
 
Last edited by a moderator:
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