HP Forums / HP Calculators (and very old HP Computers) / General Forum v / HP-71b CMT-64E Eprom - Whats under the black goop ?

Post Reply 
HP-71b CMT-64E Eprom - Whats under the black goop ?
03-18-2020, 05:48 AM
Post: #7
Dave Frederickson Offline
Senior Member
 		Posts: 2,249
Joined: Dec 2013
RE: HP-71b CMT-64E Eprom - Whats under the black goop ?
(03-14-2020 08:56 AM)J-F Garnier Wrote:  A few years ago, Paul Berger and I attempted to document it and identify the pinout, see this document:
http://www.jeffcalc.hp41.eu/misc/files/hhp.pdf

On p.4 of the document is a picture of an HHP card reader port EPROM module. How was this module programmed?

Note: There is currently one of these modules on eBay.

Dave
Find all posts by this user
Quote this message in a reply
Post Reply 


Messages In This Thread
RE: HP-71b CMT-64E Eprom - Whats under the black goop ? - Dave Frederickson - 03-18-2020 05:48 AM



User(s) browsing this thread: 4 Guest(s)

Contact Us | The Museum of HP Calculators | Return to Top | Return to Content | Lite (Archive) Mode | RSS Syndication