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HP-IL IC?
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05-30-2021, 01:37 AM
Post: #10
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RE: HP-IL IC?
Figured out more of the card requires external clocking and I found a pinout of the connector to the main board of the 5890. After providing a suitable clock the processor does run but the HP-IL chip is never selected so it looks like the 5890 needs to send a command to turn on the HP-IL.
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RE: HP-IL IC? - Dave Frederickson - 05-28-2021, 12:42 AM
RE: HP-IL IC? - Gene Dorr - 05-28-2021, 12:57 AM
RE: HP-IL IC? - cruff - 05-28-2021, 01:21 AM
RE: HP-IL IC? - Paul Berger (Canada) - 05-28-2021, 03:02 AM
RE: HP-IL IC? - Gene Dorr - 05-28-2021, 03:16 AM
RE: HP-IL IC? - J-F Garnier - 05-28-2021, 07:51 AM
RE: HP-IL IC? - Paul Berger (Canada) - 05-28-2021, 12:16 PM
RE: HP-IL IC? - Paul Berger (Canada) - 05-29-2021, 05:34 PM
RE: HP-IL IC? - Paul Berger (Canada) - 05-30-2021 01:37 AM
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