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HP-71B Math RAM Article


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Post: #4
02-16-2009, 08:09 AM
Marcus von Cube, Germany Offline
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I've added an article to the articles section of this forum. I've managed to download the HP-71B Math Pac to a RAM port in my physical HP-71B.

Link to articles section.


Edited: 17 Feb 2009, 3:43 a.m.

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Post: #5
02-17-2009, 12:08 PM
Roland Storz Offline
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...genial, pretty easy to perform,
how long did it take you to find out?

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Post: #6
02-17-2009, 12:30 PM
Marcus von Cube, Germany Offline
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I had the idea when I first saw that the ROM appears as a file in a CAT ALL listing. How to reset the protection bits is detailed in the internal design specification, vol. I.

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