Hi Patrick & all > > After replacing one of the analog chips the drive has to be re-aligned. > The '125 and 2003 can be swapped without any adjustments. Aaaahh, memories :-) So, do you have a good way of aligning? I'm sure one won't be able to find the alignment disk anywhere any more. I had my drives aligned, didn't have a scope then, but I remember the fun :-) W