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→查询 连接 USB 存储设备测试
3) If the mouse or keyboard can operate normally, it means that the USB interface is working normally (the mouse can only be used in the desktop version of the system)<br><br>
=== 查询 连接 Connect USB 存储设备测试 storage device test ===1) 首先将 First insert the U 盘或者 disk or USB 移动硬盘插入 mobile hard disk into the USB interface of the Orange Pi 开发板的 USB 接口中development board<br><br>2) 执行下面的命令如果能看到 Execute the following command, if you can see the output of sdX 的输出说明 , it means that the U 盘识别成功disk is recognized successfully<br>
{| class="wikitable" style="width:800px;"
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orangepi@orangepi:~$ cat /proc/partitions | grep "sd*"
|}
3) 使用 mount 命令可以将 U 盘挂载到/mnt 中，然后就能查看 U 盘中的文件了<br>