When i power on the ASA5510, it direct go to the ROMMON. After that i follow the procedure which from http://www.cisco.com/en/US/ts/fn/620/fn62378.html
i able go to the ASA IOS, but when show version it show the image file is from tftp server after that i copy the new ASA IOS into the ASA5510 and set the boot system disk0:asa804-k8.bin write memory on it and reboot the ASA.
However after reboot,it again go to rommon mode. And i issue BOOT command in rommon, it come out the error message as in attachment.
Pls advise urgently.