I have three of these boards that are identified as
HPN CPU 1682 and have a Rockwell R6504 microprocessor.
Update: I received the following e-mail:
My guess would be that these came out of a Nurse call unit since the p/n starts with HPN. A company who might have some knowledge is Ramex Inc. In New York. Sorry, don't have the number handy. I work at a company in Northern Ca. called Century Executone.
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Last updated March 26, 2005