On 12 May 2012 at 15:51, MikeS wrote:
  Date: Sat, 12 May 2012 00:54:43 -0700
 From: "Chuck Guzis" <cclist at sydex.com>
  If you have an old PC system with a National Semi
8473 or 8473,
 you've got the best of the lot. 
 But what if you've got an 8473 instead? 
I meant PC8477 for the second.
--Chuck