Posts: 1,788
Threads: 36
Joined: Aug 2007
Yes, there are firmware differences between the nuts. I don't know if they have any effect on operation though.
The main difference that you can see is the display. The halfnut display was optimized for looking at from a shallow angle (like sitting on a desk). The fullnut wants to be viewed more head on (like being held in the hand). The halfnut display segments are sleeker than the fullnut. Also the halfnut keyboard is generally less clicky than a fullnut.
If my nut was to be used out in the field or away from civilization, I would want a halfnut. It is more reliable. It is also MUCH less repairable. For use around civilization, I much prefer the fullnut.
Posts: 858
Threads: 80
Joined: Feb 2009
1) I once had "Fullnut" (coconut?) CX and it's operarion was not too stable. After I sold it to someone near Heidelberg I realized that it was a rare one.
2) not realy
3) undocumented in HP's manuals, well documented elswhere (for example: ajust display contrast - if you may do MCode)
4) CX halfnut
Ciao.....Mike