SC128, v1.0, PCB SC128 is a modular backplane designed for the Z50Bus. LinksSC128, v1.0, PCB only (Tindie)SC128, v1.0, Complete kit (Tindie) – discontinuedSC128, v1.0, PCB design files (EasyEDA)SC128, v1.0, Gerber files (ZIP) SC128 – Schematic v1.0 (PDF)