Connectors won't be the root cause of the problem with the memory.
I assume you have an original System 1 MPU in the game vs a Ni or PI-1, right?
The problem can't be caused by anything offboard.
If you could post a video of the issue, we might be able to offer more ideas of what to investigate.
--
Chris Hibler - CARGPB #31
http://www.Team-EM.com
http://webpages.charter.net/chibler/Pinball/index.htm
http://www.PinWiki.com - The Place to go for Pinball Repair Info

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