BZ, what speed 2114?

I am working on a few BZ boards and the self test reported some bad 2114 RAM
and when I replaced a few, the boards went downhill. I am think that there
may be a speed conflict. I have verified my solder work. Originals are GTE
2114UCB. I am guessing that these are slow, like 450ns, true? I am replacing
with new National MM2114N-2L. These are faster, like 200ns, true? Thoughts?

Also, which buffers are known to be likely bad in general? I have several
dead boards and I was going to shotgun some 245's and figured the ones closest
to the CPU are the likely ones. I am also going to replace the 40-pin CPU
sockets while I am at it.

Thanks!

Dave

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Received on Sun Jun 29 13:10:43 2003