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DM41L. - Printable Version

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DM41L. - ggauny@live.fr - 08-29-2019 11:09 AM

Hi all,

I just receive my DM41l. Very good aspect and really good to use. I have already 2 original HP 41 (one C and the other CX) and I think it is really clone HP41CX.

HP Prime cable work with DM42 but not with DM41l, so I have tryied my cable HP50g and it run. My PC intalled DM41l with no problem.

Is it a manual for DM41l ? I have search but no find it.

Good day. I return in my desk at home (I am retired) to play with DM41l.

I am as a king with my numerous HP (only HP).
Please don't speak I am 84 old years !

RE: DM41L. - ggauny@live.fr - 08-29-2019 11:39 AM

Hi again,

I have often problems with mail, so I was problemed with a attachement.
I was trying give my real picture. Now I think it is good (?).

RE: DM41L. - grsbanks - 08-29-2019 12:56 PM


Your best bet is to use the manuals for the HP-41CX. They are linked to on the Swiss Micros website:


The DM41L actually runs the HP-41CX's ROM (with a few patches to handle the different keyboard layout) and the LPC1115 chip in the 41L has enough spare RAM to include one Extended Memory Module, so running EMROOM will give you 362 registers available instead of the 124 you'd get with a 41CX.