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New Article: HP 41C Service/ Diagnostic ROM Versions


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Post: #2
03-10-2008, 12:39 AM
Allen Offline
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Posts: 562
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Greetings,
Despite the time change, I'm finally getting around to some articles:

Making sense of all the 41c Service ROM versions: 1A 1C 1D 2A 2B

Article Includes photos of three Service ROMs (2 live and 1 EPROM), along with advantages of each ROM and PDF version of Key-maps.

I am working on converting some Original HP41 DEMO programs into Bar-codes. Will post separately once complete.

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Post: #3
03-10-2008, 10:24 PM
Mad Dog ebaycalcnut Offline
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Hi Allen,

Which one do you use typically?

Edited: 10 Mar 2008, 10:28 p.m.

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Post: #4
03-10-2008, 11:07 PM
Allen Offline
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Posts: 562
Threads: 27
Joined: Oct 2006

I find the ET-11966 to be the most useful. My SM2A is hosted on an HHP Eprom box, which unfortunately limits it's utility since the card reader takes up Pages 4, E,and F- Most of the module tests that are added to the SM2A all default to Pages E/F for their test source.
Kind regards,
Al

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