SUMMARY: Bad SIMM Replaced; Now Illegal Instruction

From: Tim Evans (tkevans@eplrx7.es.duPont.com)
Date: Tue Jun 30 1992 - 18:26:55 CDT

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Yesterday, I wrote:

>I just replaced a bad SIMM on a 4/110 and, while the memory
>check is successful, the system now reports the following
>when trying to boot (it's a diskless client, and succeeds
>with tftpboot, then generates the message):
>
>Illegal Instructions "0x3210200" encountered at PC 0x002024C4
>
>The system was booting successfully with the bad SIMM when the
>memory check was skipped.

Thanks to:

From: ralph@swmerc.rain.com (Ralph Merwin)
From: Dave Wilmot <dawi@is-rocker.gwl.com>
From: zod@ncube.com (Zod Mansour)

I had a SIMM mismatch--and the darned part number is printed
right on the SIMM.

-- 
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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