HP-41 <> USB-41 bidirectional comms.
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04-02-2014, 11:52 PM
Post: #10
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RE: HP-41 <> USB-41 bidirectional comms.
Hi Thomas,
Yes for sure... a more appropriate approach would be: "Do not suppose, check it exhaustively." Though, regrettably, this is not always possible... :-) Ángel, Indeed, the missing last byte has now been found and fixed; and the main misfunction due to (so to say) timing shift, is mostly isolated in the USB interface (inside the connector). One of the two (in theory) functionally identical models; the one that needs a Xtal, is not working as reliably as expected. Now I'm trying to figure out if it is a method to "adjust" it by SW, or if I'll need to recall these units and replace this part for the (newer) Xtal-less. Will keep you informed. Thanks again for your sontinued support and best wishes. Diego. "Do not suppose, check it twice." |
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Messages In This Thread |
HP-41 <> USB-41 bidirectional comms. - Diego Diaz - 03-29-2014, 06:30 AM
RE: HP-41 <> USB-41 bidirectional comms. - Ángel Martin - 03-29-2014, 07:12 AM
RE: HP-41 <> USB-41 bidirectional comms. - Massimo Gnerucci - 03-29-2014, 09:06 AM
RE: HP-41 <> USB-41 bidirectional comms. - Sylvain Cote - 03-29-2014, 05:49 PM
RE: HP-41 <> USB-41 bidirectional comms. - Diego Diaz - 03-31-2014, 06:32 PM
RE: HP-41 <> USB-41 bidirectional comms. - Ángel Martin - 04-01-2014, 05:58 AM
RE: HP-41 <> USB-41 bidirectional comms. - Diego Diaz - 04-01-2014, 11:39 PM
RE: HP-41 <> USB-41 bidirectional comms. - Thomas Klemm - 04-02-2014, 03:36 AM
RE: HP-41 <> USB-41 bidirectional comms. - Ángel Martin - 04-02-2014, 05:04 AM
RE: HP-41 <> USB-41 bidirectional comms. - Diego Diaz - 04-02-2014 11:52 PM
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