However, when counting the pins, you will realize that the 2011, 2011-1 and 2011-3 actually have different pin counts. As far as I understand, all these sockets fit physically with the CPUs, i.e. you ...

Computers have used socketed processors for most of the PC’s lifespan, with a few notable exceptions like Intel’s cartridge-based Pentium II and III aside. These sockets change every few processor ...