is that it’s like a jumper for single-sided surface-mount boards. In the bad old days, companies used to save money by running single-sided boards, and you could buy wire jumpers to help make ...
All you need to switch from SATA to NVMe support is three magnet wire jumpers, or zero-ohm 0402 resistors, and voila; you can now use the significantly cheaper kind of M.2 drives in your ThinkPad.