Hi ! 
I just reinstalled the Os image : 320TSn2 M-LEOXPE04HTS_1011.0 
I have a syncmaster 400dxn.
And i got problems with the VGA driver (Ati radeon x1270). I can't find it on the samsung download website.
I try the official driver from ATI website, doesnt work :/ ! 
Any solution ? 
thanks