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HP-71b CMT-64E Eprom - Whats under the black goop ?
03-18-2020, 05:48 AM
Post: #7
Dave Frederickson Offline
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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
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RE: HP-71b CMT-64E Eprom - Whats under the black goop ? - Dave Frederickson - 03-18-2020 05:48 AM



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