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HP-71b card reader eprom module issues
09-07-2020, 02:04 PM
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coitboy2000 Offline
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HP-71b card reader eprom module issues
Hi

I decided to buy an eprom module for the HP-71b that is placed in the card reader port. I have burned 2 TI 27c256 emproms but as soon as I try to CAT :port(5) the HP-71b just goes blank until I press cancel. The .bin images were tested in emu71 as IRAMs and worked fine. The burning was also verified as ok. Any thoughts as to why this may be happening ? I guess I could try a different brand of eprom. Is there a special format for writing EPROMs for the HHP eprom module? I note both eprom images are filled with zeros at the end to fill the eprom ?

Any thoughts appreciated

Richard
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HP-71b card reader eprom module issues - coitboy2000 - 09-07-2020 02:04 PM



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