- radxa_cm3i_io_board_v1.4.DSN: io board schematic, use Orcad 16.6 or later to view it. You can download a free copy viewer here(Windows only).
- radxa_cm3i_io_board_v1.4.pcb: io board layout, use Pads 2.5VX or later to view it. You can find a free copy viewer here(Windows only).
