Problems with 2114s - test-drb@ccmp.vtda.org

5 Oct 2008

From: "F.J. Kraan" <fjkraan at xs4all.nl>
Sent: Sunday, October 05, 2008 10:01 PM
To: <cctech at classiccmp.org>
Subject: Problems with 2114s 

...
  Tony Duell wrote:
  the card. As soon as I spotted this was
implemented with 2114s [1]s, I 
 knew what to do. I replaced them, and put the card back in, not 
     I heard before that 2114 are considered unreliable. Is there an overview 
 of brands that are not reliable? I have a computer in repair, a DAI, 
 8080 CPU with special stack RAM implemented with 2114s, so that could be 
 the problem. But it would be nice to be more sure before soldering them 
 out.
 An image of the suspect RAM is here: 
 http://electrickery.xs4all.nl/tmp/2114s.jpg.

 Greetings,
 Fred Jan 

Hi Fred Jan,

are you sure those are 2114's?
Not that I am 100% sure, but to me those are 2111 RAMs, 400 ns types.

- Henk, PA8PDP 