将串行电缆连接到BeagleBoard - xM ' s DB 9端口和您的主机上，然后在设置模式下以根用户启动minicom。
Connect the serial cable to the BeagleBoard-xM's DB9 port and your host, and launch minicom in setup mode as root.
最后，串行执行大量的脚本以启动各种需要的服务(通常可以在Linux的引导屏幕中看到)。
In the end, many scripts are executed serially to start the various services that are required (which you can typically see as part of the boot screen with Linux).
这种方法允许系统在启动服务时启动顺序中靠后的部分服务并行启动，而不是以传统的串行方式启动，以实现引导的加速。
The technique achieves this by allowing the latter part of the boot sequence to be run in parallel, rather than in the traditional serial fashion.
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