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DM8168偶然启动不了的问题



自己做的DM8168板,

板子一般正常开机后,在超级终端上打印字符要等7秒左右,其它板子一般开机就能打印字符,

有时这块板子完全不打印出信息,整个板子完全不工作。

这块板子有时能启动,有时不能启动,启动后工作完全正常,我想了2个星期实在不知道原因。望各位朋友指点。