On Saturday 11 February 2006 12:56, Jeff Vian > > Mind you, I did not say you will always have problems with jumpering > master/slave on the CS cable. > My experience was a system that had been working fine but suddenly began > getting weird problems, similar to what you have described, Anne. > I spent several weeks trying everything I could think of since I knew > the drive was good. If I had only one drive attached there were no > problems, and if I put it in another machine there were no problems. > Someone suggested moving the jumpering to CS so I did, and miraculously > the problems disappeared. > > I have since used CS exclusively on those cables and have never (in more > than 12 years) had a problem with drives. YMMV, but I have always had > good luck using cable select in all that I do on PCs. > Point taken. I'll bear it in mind for the future. For the present, I have something working, so I'll leave well alone :-) Thanks to all who helped. Anne