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>How about supporting a socket for more than one generation?

Intel typically seems to support sockets on the desktop for 2-3 generations of CPU:

https://en.wikipedia.org/wiki/CPU_socket#80x86

This is unfortunately not true and a result of Intel's obfuscatory tactics. The socket has been the same in subsequent generations, but you needed to buy a new motherboard because the chipset supposedly did not support the newer CPUs [0]. An example of this is the socket 1151 generation. This socket was named 1151-1 and 1151-2 in later years due to this tactic. When Intel was on their high horse (2010-2018) they generally supported 1-2 generations per socket.

[0] https://www.pcgamer.com/modders-get-intels-coffee-lake-cpus-....

To add to this: some motherboards could support newer cpus via a patch to the bios or embedded controller firmware... meaning that the incompatibilities were/are completely artificial.

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