the old keypad behavior gets too sensitive

Tiago Marques tiagomnm at
Fri Apr 16 21:16:04 EDT 2010

I still have this same issue with my 1.5 B2, which I reported to the list a
while back. The pointer moves without touching the surface, although the
distance is more like 2mm than half an inch for me. It's still annoying most
of the time but one can live with it.


On Fri, Apr 16, 2010 at 8:37 PM, Stephen John Smoogen <smooge at>wrote:

> On Fri, Apr 16, 2010 at 1:13 PM, Mikus Grinbergs <mikus at> wrote:
> > I usually operate my XO with an external USB trackball, and have no
> > problem with cursor positioning.  Lately I've often needed to operate
> > XOs (hdw early G1G1, but F11 build) with the native keypad, and I can
> > appreciate the many complaints I have heard about using the old keypad.
> I have been running into this with the XO-1.5 prototype but thought it
> was either a prototype issue or my fat fingers.. however I noticed it
> with my kid also. Pretty much the same behaviour you list below.. in
> low humidity the cursor will move without touching the keyboard. Is
> there anything I can do to help debug/fix this for people (New Mexico
> is pretty much always low humidity)
> > In my case, the keypad exhibits too much sensitivity.  Whenever the
> > humidity is low, just waving my fingers half an inch above the keypad is
> > enough to result in cursor position movement.  And the cursor jumps both
> > as I am bringing a finger (through the air) down onto the keypad, AND
> > when I am lifting the finger (through the air) away from the keypad.
> > [Also, just placing a finger at the "mouse buttons" at the bottom of the
> > keypad is often enough to cause the cursor position to change.]
> >
> > Leaving the keypad alone (to give it time to self-calibrate) does not
> > seem to help.  The four-finger recalibrate works, but its effect soon
> > "wears off", and the keypad goes back to being "too sensitive" again.
> >
> >
> > Are there any software parameters that I can play with, to try to
> > "dampen" the unwanted cursor position changes that I'm seeing ?
> >
> > Thanks,  mikus
> >
> > _______________________________________________
> > Devel mailing list
> > Devel at
> >
> >
> --
> Stephen J Smoogen.
> Ah, but a man's reach should exceed his grasp. Or what's a heaven for?
> -- Robert Browning
> _______________________________________________
> Devel mailing list
> Devel at
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the Devel mailing list