Thank's for paper informations, Frederic, in the last year I tryed to run a remote DRC from CNM (Centro Nacional de MIcroeletronica) at Barcelona, Spain. But the results to CIF file was a many cells out of grid. The circuit was standard-cell block. The GDSII file is unreadable for the same DRC. I'd like to know if this wrong is a bug from S2R. This detail is important to my dissertation. In follow line I attached the sample of DRC results. CIF results: ------------------------- X ------------------------------------