The keyfeel is linear. There is no real label on the back just a SN: 2881172 which probably isn't helpful for anything.

No, I don't have an adapter for it either.Dingster wrote: 09 Mar 2020, 12:22 This is a Datacomp DFK555, have the same one. Nice board!
Does yours work with a normal DIN to PS2 adapter?