7 Nov
2005
7 Nov
'05
6:41 a.m.
This site says otherwise.
http://simh.trailing-edge.com/i1401.html
I am sure I have read it elsewhere as well.
The IBM archive just says it was used for both, but gives no design
objective.
Check out the (more or less) official history books on IBM put out by MIT
press.
William Donzelli
aw288 at osfn.org