OpenBoardView is free, open-source, and cross-platform (Windows, Linux, macOS). It supports the common .brd format used by most CM-4 carrier board dumps.
A Boardview file (typically .brd, .cad, or .fz for FlexBV) is a visual representation of a printed circuit board (PCB). Unlike a traditional schematic, which shows logical connections, a Boardview shows the physical layout: cm-4 94v-0 boardview
For the CM-4, Boardview files are essential because the module uses high-density, 0.4mm pitch board-to-board connectors. Probing blindly without a map can short adjacent pins or misdiagnose a fault. For the CM-4 , Boardview files are essential
If you've downloaded a .bdv, .brd, or .asc file for the CM-4, here is your workflow: For the CM-4