router model 827-4v.memory 48/12.
when i loading 12.4.5b or 5a 19b 25d to my router i see loadprog: error - program section linked to illegal address on boot from rommon (by tftp: tftpdnld -r). with other versions (with k9) i can see traceback message. what ios version is right from 12.4 for this router?