Many thanks for your numerous and helpfull replies !

I switched the keyyboard/mouse with the cordless ones (Trust) of my linux PC and this works perfekt with SAM440ep an OS41.
So it seems that it is a special problem of the logitech ex 100 and the SAM440ep USB or OS4.1.

It is a realy good feeling to be again an Amigan

Hi amigians,

last week week i got my sam440ep system (i started believing on santa claus again

I tried to connect a logitech ex 100 cordless sub keyboard/mouse set. The keyboard works fine but the mouse dont work.

Is this a known problem for sam440ep or OS4.1 or has somebody an working cordless keyboard/mouse set on his sam440ep with OS4.1 (which one ?) ?