At 08:18 PM 11/5/02 -0800, you wrote: >No i dont think it will work because Ultra 3 is >essentially uses LVD signalling which is not >compatible with single ended Ultra 1 drives . If u use >an Ultra 3 over a Ultra 1 the machine wont power up .. > >Thanx Ultra 3 is >Supposed to be< backwards compatible with Ultra1 I've never had a problem mixing drives.