Dear Andrew Could you do this for me: In max priority mode, I need mouse and keyboard working, not only lpt would be great Thanks a lot have you seen my working code (only the trigger remains a problem, since I cannot detect TTL signals going from 0 to 1 , only form 1 to 0. cheers christoph -- Christoph Lehmann <lehmann@xxxxxxxxxxxx> University Hospital of Clinical Psychiatry ====================================== The Vision Egg mailing list Archives: //www.freelists.org/archives/visionegg Website: http://www.visionegg.org/mailinglist.html