SUMMARY: Identifying Bad SIMM on 4/110

From: Tim Evans (tkevans@eplrx7.es.duPont.com)
Date: Tue Jun 30 1992 - 13:31:53 CDT

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>I have a 4/110 in pieces on my desk, trying to identify
>SIMM "U1614" which is coming up with a parity error. How
>are these laid out? Thanks.

Thanks to:

From: "Anthony A. Datri" <datri@concave.convex.com>
From: tgsmith@spdev.East.Sun.COM (Timothy G. Smith - Special Projects)
From: ralph@swmerc.rain.com (Ralph Merwin)
From: zod@ncube.com (Zod Mansour)
From: Perry_Hutchison.Portland@xerox.com
From: "Sean N. Welch" <welch@xcf.Berkeley.EDU>
From: Daniel@europarc.xerox.com
From: robert@verdix.com
From: "Rick Wightman" <wightman@jupiter.csd.unb.ca>

The SIMM slot numbers are silkscreened on the board, but on the
*reverse* side--not where you'd immediately look. Also,
several people sent me ASCII drawings of the SIMM banks; here's
one:

---------------- back of board (VME connectors) ------------

  U1515 U1615
  ------------------- -------------------
  ------------------- ------------------- <--- U1614?
  ------------------- -------------------
  ------------------- -------------------
  ------------------- -------------------
  ------------------- ------------------- ==
  ------------------- ------------------- == J400
  ------------------- ------------------- ==

  ------------------- -------------------
  ------------------- -------------------
  ------------------- -------------------
  ------------------- -------------------
  ------------------- -------------------
  ------------------- -------------------
  ------------------- -------------------
  ------------------- -------------------
  U1500 U1600

J100 ==
==

-- 
Tim Evans                     |    E.I. du Pont de Nemours & Co.
tkevans@eplrx7.es.dupont.com  |    Experimental Station
(302) 695-9353/7395           |    P.O. Box 80357
                              |    Wilmington, Delaware 19880-0357

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