A fully functional, refurbished Silver /Square Badge IBM Model M keyboard Part # 1390131, manufactured onMay 220, 1986. This is one of the rare \"Rainbow\" Plateunits. Thisunit was disassembled: the shell, barrel plate, keys, membranes, and keycaps were cleaned. Any broken or bent springs or keycaps were replaced. Any cracks in the barrel plate were welded. The unit was then reassembled using 2mm screws, washers, and nuts, and all original labels were preserved where possible.

The unit was tested on an Intel Z690 system dual booting Windows10 and Windows 11-using the original AT/PS/2 cable and a PS/2 and USB adaptor. The unit is shipped with an original SDL AT or PS/2 cable With PS/2 Adaptor and a USB adaptor as well.