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From: info-mac@uw-beaver (info-mac)
Newsgroups: fa.info-mac
Subject: ram repair - bad chip codes
Message-ID: <2411@uw-beaver>
Date: Mon, 3-Dec-84 01:14:04 EST
Article-I.D.: uw-beave.2411
Posted: Mon Dec  3 01:14:04 1984
Date-Received: Tue, 4-Dec-84 19:17:19 EST
Sender: daemon@uw-beave
Organization: U of Washington Computer Science
Lines: 15

From: decvax!mcnc!ecsvax!hes@uw-beaver.arpa

 To add to the information from George Schnurle, GFS@SU-AI.ARPA.

Code 0001 0002 0004 0008 0010 0020 0040 0080
Bit   0    1    2    3    4    5    6    7

Code 0100 0200 0400 0800 1000 2000 4000 8000
Bit   8    9    10   11   12   13   14   15

  For multiple chips bad, the codes add together (as
  hexadecimal numbers.)  E.g., code A000 means chips
  13 and 15 are bad.

--henry schaffer  north carolina state university