HP Forum Archive 09

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HP41 Memory Modules Message #1 Posted by Ty Rogers on 27 Oct 2002, 9:32 a.m. What memory modules are for what calculators? Will the Quad memory, 82106A, X memory modules work in all three 41 calculators?

Re: HP41 Memory Modules Message #2 Posted by Vieira, Luiz C. (Brazil) on 27 Oct 2002, 10:15 a.m., in response to message #1 by Ty Rogers Hi; plan memory modules as Quad Memory and single 82106A will ONLY work with the HP41C; both HP41CV and HP41CX will not use them and you may disrupt calculator operation if you try using them. X-Memory will work fine directly in an HP41CX, because it can only be ccessed by X-Functions. Anyway, if you have an HP41C/CV with X-Functions, X-Memory will work fine, too. Just an advice about X-Memories: maximum of tweo modules in a plan HP41 (I do not know anytinhg about modified calculators). And, in this case, a simple rule: plae them sided to eachother, never in the same column: internal connections will not allow two X-Memory to work in the same column. Hope this clarifies. Cheers.

Re: HP41 Memory Modules Message #3 Posted by Raymond Hellstern (Germany) on 27 Oct 2002, 10:19 a.m., in response to message #1 by Ty Rogers Quad (82170A) or single memory modules (82106A) can only be used in the HP-41C, not the CV or CX. You can use either *one* Quad memory *or* up to four single memory modules. Up to *two* X-Memory modules (82181A) can be used in the C, CV, or CX. In the C or CV you need an additional X-Functions module (82180A) to gain access to the X-Memory. The CX has the X-Functions built-in. hth, Raymond

Re: HP41 Memory Modules Message #4 Posted by Ty Rogers on 28 Oct 2002, 8:16 a.m., in response to message #3 by Raymond Hellstern (Germany) Thanks Guys

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