[Rampadc]’s keyboard adapter is built for the ThinkPad T60 ... and probably a bit cheaper than the official Lenovo USB-bound ThinkPad keyboard. [rampadc] has a few of the expansion boards ...

USB-C has brought the world much ... In order to allow the fastest charging rates, the adapter cable features a resistor value which tells the attached Lenovo laptop it can draw up to 90 W.