HP Forum Archive 18

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mystery X Funtion module for HP-41 Message #1 Posted by Wayne Best on 12 Oct 2008, 3:21 a.m. Hello All I recently acquired an X Function module with a 41CV. Nothing unusual there but instead of being labeled "HP 82180A" it's labeled "HP 5061-5256". It's also labeled "Made in Singapore" as are the 82108A's I've seen. The modules appears to have the same functions and both have 124 "bytes" of memory available. I have been unable to find any information regarding the 5061-5256 module and would like to hear from anyone who knows anything about it. Regards Wayne

Re: mystery X Funtion module for HP-41 Message #2 Posted by Winfried Maschke on 12 Oct 2008, 7:23 a.m., in response to message #1 by Wayne Best This should be the answer: http://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv004.cgi?read=6963

Re: mystery X Funtion module for HP-41 Message #3 Posted by Wayne Best on 12 Oct 2008, 12:26 p.m., in response to message #2 by Winfried Maschke Hi Winfried Many thanks for pointing that out. It does answer my question. It seems I'm not the first person to be puzzled by this unusually marked module. Regards Wayne

Re: mystery X Funtion module for HP-41 Message #4 Posted by Eric Smith on 12 Oct 2008, 1:51 p.m., in response to message #1 by Wayne Best 82180A is the part number of the complete retail package. 5061-xxxx is the part number of just the module itself, with the suffix depending on the ROM version or other manufacturing changes. Some modules are stamped with one, some with the other. There isn't any functional difference other than the ROM version.

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