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42S with nonvolatile RAM


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Post: #7
12-10-2013, 09:56 AM
Lyuka Offline
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Long time no see.

I just made modifications of an HP 42S to make its memory nonvolatile by using an F-RAM. It seems successful so far.

Double speed HP 42S with nonvolatile RAM


Lyuka

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Post: #8
12-10-2013, 12:59 PM
Massimo Gnerucci (Italy) Offline
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Congrats!
You are a 42S master modder. ;-)

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Post: #9
12-10-2013, 02:13 PM
aurelio Offline
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No words.....................thank-you for sharing your great work!

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Post: #10
12-10-2013, 03:51 PM
Geir Isene Offline
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I am envious. Not of the calc, but of your knowledge and abilities. Thanks for the inspiration.

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Post: #11
12-12-2013, 08:31 AM
NACHO Offline
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Dear Lyuka,

you cannot imagine how many times I have visited your web,

your mods are so well documented.

I am curious, how many 42s's do you have???

regards

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Post: #12
12-13-2013, 08:52 AM
Lyuka Offline
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Thank you for your compliments.

Actually I have two defective 42S (and two other flawless one, of course ;-)

I really think 42S useful, and for they were defective, I had no hesitation to modify them.

Lyuka

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