HP Forum Archive 02

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What's a HP59405A HP-IB calculator interface Message #1 Posted by Reinhard Hawel on 10 May 2000, 7:04 a.m. Hi calculator collectors I got my 9810A today and remembered, that I have a 59405A HP-IB calculator interface Made in U.S.A. Ser No 1444A01762 somewhere. Now I've found it and here's the question: Does this interface fit into this calculator? How do I use it ? Is there a special module for control of this interface ? It seems to contain only a few chips, so I guess, it needs some software. Thanks for your tips. Reinhard

Re: What's a HP59405A HP-IB calculator interface Message #2 Posted by Joe on 23 May 2000, 11:06 a.m., in response to message #1 by Reinhard Hawel Reinhard, I finally found it in the '77 HP catalog. It's a HP-IB interface for the HP 9830 caclulator. The same part number but option 020 is the HP-IB interface for the HP 9820 calculator (different ROM and manuals). It's also the same PN for the HP 9821 calculator, except that it's option 021. It's price in 1877 was $1300. Joe

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