请问如下配置,应该刷哪个版本,谢谢 Please choose the operation: 1: Load system code to SDRAM via TFTP. 2: Load system code then write to Flash via TFTP. 3: Boot system code via Flash (default). 4: Entr boot command line interface. 7: Load Boot Loader code then write to Flash via Serial. 9: Load Boot Loader code then write to Flash via TFTP. 用2刷机,求一个固件, U-Boot 1.1.3 (Dec 29 2014 - 11:4 ... ...