ahcich timeout on slot X port X Mac install workaround My attempts to install FreeBSD resulted in failures with `timeout on slot 13 port 3` , there are many search results regarding this but none relevant to the installation procedure. The workaround was to enable Safe Mode mode in the boot options - sharing this simple solution so that it saves frustration and time for the next victim of this issue. If this has helped comment or follow me on twitter @danielsokolows .