On Saturday 29 May 2010 09:39:29 am Phill Harvey-Smith wrote:
  On 29/05/2010 05:41, Gene Buckle wrote:
  On Sat, 29 May 2010, Phill Harvey-Smith wrote:
  identical inside. I also believe that the 1540
can be upgraded by
 replacing the firmware with that from the 1541.
 
 ...and thereby utterly destroying the collectability of the 1540 drive. :) 
 Which is why when I repaired the one I have and found it had a duff rom,
 I replaced it with an eprom copy of the original ROM, as I guess my
 chances of sourcing the actual ROM are pretty close to 0. 
I have a fair amount of c= parts,  some salvage,  some NOS from when I worked on that
stuff extensively.  Feel free to contact me offlist if you want any of it...
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin