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SD卡烧录了镜像，按照要求插入开发板中，115200波特率启动串口之后没有开机信息和登录信息，只有下面的内容
请尝试重新烧写一下SD卡。
https://software-dl.ti.com/jacinto7/esd/processor-sdk-linux-sk-tda4vm/latest/exports/docs/getting_started.html
是启动串口选择错了，开发板插到电脑上会有四个串口出现，之前选择默认的就出现这个问题了
非常感谢分享解决办法！
