DS12887 pcb substitute with battery

Ali cctalk at ibm51xx.net
Sun Jan 22 10:07:23 CST 2017

I thought the problem with switching these chips was that part of the ROM code was embedded in them? I.e. it isn't just an issue of battery? Am I wrong? If I am then why not use one of the replacement chips that are available? 

-------- Original message --------
From: Al Kossow <aek at bitsavers.org> 
Date: 1/21/17  12:12 PM  (GMT-08:00) 
To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> 
Subject: DS12887 pcb substitute with battery 

someone just pointed this out on vcfed


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