This switch is using the CATOS for layer 2 and IOS for Layer 3, So currently the CATOS is running well but the Layer 3 in the ROMMON, pls refer to below:
rommon 1 > boot sup-slot0:c6msfc-dsv-mz.121-27b.E1.bin
an alternate boot helper program is not specified
(monitor variable "BOOTLDR" is not set)
and unable to determine first file in bootflash
loadprog: error - on file open
boot: cannot load "sup-slot0:c6msfc-dsv-mz.121-27b.E1.bin"
Is it Have any idea to boot it up.