Compute Module IO board and camera/display adapter board design data Design data for the Compute Module 4 IO board can be found in its datasheet: Compute Module 4 IO Board datasheet There is also a KiCAD PCB design set available: Compute Module 4 IO Board KiCAD files Design data for Compute Module IO board (CMIO) prior to the Compute Module 4 CMIO Rev 1.2 CMIO Rev 3.0 Design data for the Compute Module camera/display adapter board (CMCDA): CMCDA Rev 1.1