Dell Optiplex 3060 Micro Motherboards ID

Hi, have been trying to figure out my problems on getting my Mb to work, have pick up several motherboards but am not sure what they are design for; would you please ID the model and  the processors for these, hope I read right would greatly appreciate; they are

CN-03kwtv-fcw00-8bj-01kb-a00

CN-0nvom7-pe100-8ch-0c0w-a01

Thank you for your help.