https://www.dell.com/support/driver/cn/zh/cnbsd1/DriversDetails?driverId=6YDCM
R730 updated bios Tutorial
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Origin www.cnblogs.com/jnhs/p/12163946.html
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https://www.dell.com/support/driver/cn/zh/cnbsd1/DriversDetails?driverId=6YDCM