> -----Original Message-----
> From: owner-classiccmp_at_classiccmp.org
> [mailto:owner-classiccmp_at_classiccmp.org]On Behalf Of Tom Leffingwell
> Sent: Friday, January 04, 2002 4:10 PM
> ...
> my backplane is only 18-bit, while the new memory module is 22-bit. I've
> also read that the M8186 board is only 22-bit compatible after revision
> C. I can't find any mark on the board showing what revision it is. Is
> there another way to tell?
>
This link:
http://www.ibiblio.org/pub/academic/computer-science/history/pdp-11/hardware
/micronotes/numerical/micronote17.txt
explains the rev history of the KDF11-A (M8186) and shows how to identify
each rev.
--
Jonathan Engdahl???????????????? Rockwell Automation
Principal Research Engineer????? 1 Allen-Bradley Drive
Advanced Technology????????????? Mayfield Heights, OH 44124, USA
Mayfield Heights Labs??????????? jrengdahl_at_safeaccess.com 440-646-7326
http://users.safeaccess.com/engdahl/PDP-11.htm
Received on Fri Jan 04 2002 - 16:40:39 GMT