[cisco] can't boot a MSFC1 on cat6506

scuze de postul in engleza 

i have a cat6k-sup11, the c6msfc-boot got deleted during migration from
hybrid to natif, i try to copy throw xmodem in RP_rommon but the transfer
broke each time, after two minutes of transfering. tryed all the speeds,
all the configs -c,-y.
also when i'm in the RP_rommon and i do nothing, after some time (around
2 min) get kicked out of the RP (software reset to ensure console debug
output) in the SP, so i presume that its a timeout, and i got it in the
copying part and the copy get stoped.

any ideas to get the cat6k up and running??? 

C