BGA to PGA is commonly known as the needle, such as I74710HQ, it is added to the needle, from the original welding of the CPU, by welding and installing pins, to achieve the same function as ordinary PGA pins, to achieve the installation of this CPU slot.
Select the needle CPU, the best is to choose the machine welding, good consistency, solid and smooth solder joints, do not go to frequent disassembly, good integrity.
The installation thickness of the needle CPU will be higher, the installation buckle has a point tight, and the radiator installation is the same problem.