ram repair - bad chip codes
Posted: January 10th, 1985, 11:32 pm
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Path: utzoo!watmath!clyde!burl!ulysses!cbosgd!cbdkc1!desoto!packard!hoxna!houxm!vax135!cornell!uw-beaver!info-mac
From: info-mac@uw-beaver (info-mac)
Newsgroups: fa.info-mac
Subject: ram repair - bad chip codes
Message-ID:
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![email protected]
To add to the information from George Schnurle, [email protected].
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
Posting-Version: version B 2.10 UW 5/3/83; site uw-beaver
Path: utzoo!watmath!clyde!burl!ulysses!cbosgd!cbdkc1!desoto!packard!hoxna!houxm!vax135!cornell!uw-beaver!info-mac
From: info-mac@uw-beaver (info-mac)
Newsgroups: fa.info-mac
Subject: ram repair - bad chip codes
Message-ID:
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![email protected]
To add to the information from George Schnurle, [email protected].
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