On May 1, 2012, at 10:35 AM, David Riley wrote:
  Surely someone more knowledgeable than I will respond,
but I recall
 that the primary difference (if indeed there were any others) between
 the KDF11-Bx boards was the boot ROM installed.  I think the -BA may
 have had a slightly different set of components than the subsequent
 models (which were intended for the BA23 and had a nicer cable kit),
 but I may be misremembering that as well. 
...all of which is to say the same likely applies to KDJ11 boards as
well.
- Dave