4500G Upgrade

[SASD]

We recently downloaded and tried to upgrade a 4500G switch to the latest firmware.  We did not however load the .btm file in first - we should have I know.  I can't ping or connect to the switch now and when we connect via the console port we get this over and over:

Starting......











            ***********************************************************


            *                                                         *


            *        Switch 4500G 48-Port BOOTROM, Version 120        *


            *                                                         *


            ***********************************************************





            Copyright (c) 2004-2007 3Com Corporation and its licensors.


            Creation date   : Sep  5 2007, 14:07:22


            CPU Clock Speed : 264MHz


            BUS Clock Speed : 33MHz


            Memory Size     : 128MB


            Mac Address     : 0022576ee080








Press Ctrl-B to enter Boot Menu... 0


Auto-booting...


Decompress Image..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................


Starting......











            ***********************************************************


            *                                                         *


            *        Switch 4500G 48-Port BOOTROM, Version 120        *


            *                                                         *


            ***********************************************************





            Copyright (c) 2004-2007 3Com Corporation and its licensors.


            Creation date   : Sep  5 2007, 14:07:22


            CPU Clock Speed : 264MHz


            BUS Clock Speed : 33MHz


            Memory Size     : 128MB


            Mac Address     : 0022576ee080








Press Ctrl-B to enter Boot Menu... 0


Auto-booting...


Decompress Image..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

The Ctrl-B, Ctrl-C, Ctrl-V all do not work, it just keeps booting.  What can we do?

[Fred_Mancen_1]

You have to upgrade the btm file before the app. Perform a roll back in the OS, then upgrade the bootrom and after this upgrade the app file.

HTH