Download Cisco IOS Software Image using the 'tftpdnld' ROMmon Command

rommon 1 > set
PS1=rommon ! >
BSI=0
WARM_REBOOT=FALSE
RANDOM_NUM=1067305006
RET_2_RTS=07:54:29 UTC Fri Aug 29 2008
RET_2_RCALTS=1219996473
?=0
rommon 2 > IP_ADDRESS=192.168.1.2
rommon 3 > IP_SUBNET_MASK=255.255.255.0
rommon 4 > DEFAULT_GATEWAY=192.168.1.1
rommon 5 > TFTP_SERVER=192.168.1.1
rommon 6 > TFTP_FILE=xxx.bin
rommon 7 > tftpdnld

          IP_ADDRESS: 192.168.1.2
      IP_SUBNET_MASK: 255.255.255.0
     DEFAULT_GATEWAY: 192.168.1.1
         TFTP_SERVER: 192.168.1.1
           TFTP_FILE: xxx.bin
        TFTP_MACADDR: 00:23:04:b2:eb:c6
        TFTP_VERBOSE: Progress
    TFTP_RETRY_COUNT: 18
        TFTP_TIMEOUT: 7200
       TFTP_CHECKSUM: Yes
             FE_PORT: 0
       FE_SPEED_MODE: Auto Detect

Invoke this command for disaster recovery only.
WARNING: all existing data in all partitions on flash: will be lost!
Do you wish to continue? y/n:  [n]:  n

TFTP download aborted - user request
rommon 8 >
rommon 8 > set
PS1=rommon ! >
BSI=0
WARM_REBOOT=FALSE
RANDOM_NUM=1067305006
RET_2_RTS=07:54:29 UTC Fri Aug 29 2008
RET_2_RCALTS=1219996473
IP_ADDRESS=192.168.1.2
IP_SUBNET_MASK=255.255.255.0
DEFAULT_GATEWAY=192.168.1.1
TFTP_SERVER=192.168.1.1
TFTP_FILE=xxx.bin
?=38
rommon 9 >