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Where <filename> is the file name, in the local UNIX file system, of the ELF file which is to be stored at image number <imgnum> in the RCE configuration flash memory. Note the image number must be between 1 and 15. Image 0 is a protected "safe" image that can only be programmed via the JTAG cable. You can then use the bootcfg command described in the console command line above to make the newly flashed image boot-able from the RCE.