HP-85 ROM internals picture?

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HP-85 ROM internals picture?

02-28-2017, 10:49 PM

Post: #2

Paul Berger (Canada) Offline

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Posts: 546
Joined: Dec 2013

RE: HP-85 ROM internals picture?

There are no visible wires it is just a blob of epoxy on a small printed circuit board with plated through holes along the long edges that provide connection to the ROM drawer. Under the epoxy blob the die is likely wire-bonded directly to the circuit board.

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Messages In This Thread

HP-85 ROM internals picture? - 1980s_john - 02-28-2017, 09:51 PM

RE: HP-85 ROM internals picture? - Paul Berger (Canada) - 02-28-2017 10:49 PM

RE: HP-85 ROM internals picture? - Martin Hepperle - 03-01-2017, 10:06 PM

RE: HP-85 ROM internals picture? - 1980s_john - 03-01-2017, 10:22 PM

RE: HP-85 ROM internals picture? - Garth Wilson - 03-02-2017, 05:04 AM

RE: HP-85 ROM internals picture? - Martin Hepperle - 03-02-2017, 09:21 PM

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