[ltp] X1 (4th Generation) Ubuntu 16.06 trackpoint slow

[Uwe Brauer]

Hi

I have used so far, X40, X60 and X200s, the last two with Ubuntu 14.04,
and although the setting was 
sensitive   128
speed       97

And found it very fast and responsive,

However in my X1 4th Generation I have (max values recognized)
sensitive   255
speed       255

And it is considerable slower than the other models. 

Setting it to lower values make it unbearable slow.

Any idea what is going on? Could it be the BIOS?

Thanks and regards

Uwe Brauer