9 May
2012
9 May
'12
8:51 p.m.
On 9 May 2012 at 18:09, Jim Stephens wrote:
Also, those square packages, and the circuit boards
with all the dot
patterns on the same centers as these packages come out of an IBM cad
system, which pretty much is used on everything. They can put them in
industry standard packages. However if they had a project where these
chips were packaged in sufficient quantities for say an RT or other
mini system, it would not be surprising to see these sorts of
packages.
You could also find a couple on the first 5150 floppy controller used
for the data separator. One big, one small, if memory serves.
--Chuck