Cat 2912 XL. improper IOS update and now....I Can't enter ENABLE to get EXEC privilege

Hey guys,

I was updating the IOS on my 2900 series switch. In retrospect i probably shouldn't have.... but oh well!  Bottom line is that in the process I entered in the wrong name for the boot image.  I went through the process on this page: http://www.cisco.com/en/US/docs/switches/lan/catalyst2900xl_3500xl/release12.0_5_wc8/ol256204.html#wp700531 but baulked on step 13.  The IOS I had was not in tar format and my tftp server was not functioning properly so I figured I would stop the process there and figure out the tftp issue- that was my first novice mistake!  I then figured that since i did not save the changes i made to the the config the switch would be fine- Second novice mistake!  Now all I get at the prompt is a Switch: .   I used copy xmodem and pushed up the correct .bin but now i can not get into EXEC Privilege mode to make the changes to the set_bs area because I cannot enter ENABLE.  Any assistance would be most helpful.

switch: ?
           ? -- Present list of available commands
        boot -- Load and boot an executable image
         cat -- Concatenate (type) file(s)
        copy -- Copy a file
      delete -- Delete file(s)
         dir -- List files in directories
  flash_init -- Initialize flash filesystem(s)
      format -- Format a filesystem
        fsck -- Check filesystem consistency
        help -- Present list of available commands
 load_helper -- Load and initialize a helper image
      memory -- Present memory heap utilization information
       mkdir -- Create dir(s)
        more -- Concatenate (display) file(s)
      rename -- Rename a file
       reset -- Reset the system
       rmdir -- Delete empty dir(s)
         set -- Set or display environment variables
      set_bs -- Set attributes on a boot sector filesystem
   set_param -- Set system parameters in flash
       sleep -- Sleep a specified number of seconds
        trap -- Cause a software breakpoint to occur
 -- MORE --
                   type -- Concatenate (type) file(s)
       unset -- Unset one or more environment variables
     version -- Display boot loader version
switch:
 
switch: dir
 
List of filesystems currently registered:
 
               flash[0]: (read-write)
              xmodem[1]: (read-only)
                null[2]: (read-write)
                  bs[3]: (read-only)
 
switch:

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