Adding link port to Super GameBoy

Can anyone share the exact parts list and schematic of the OG Super GameBoy clock speed fix? I'm having trouble finding it.

 

this is the original info from TμΕΕ:



so you lift 2 pins:



and then you add there the new crystal+caps+resistor.
I opted in making a small "pcb" with the needed parts and came up with this solution , tested and working fine:

 

I don't mind the games being in Japanese but unless I am completely mistaken they don't trade with the NA copies of the game so that kind of defeats the purpose of adding the link port short of buying extra copies of the games.