On 11/14/2012 4:01 PM, Sam Latella wrote:
[...] I think somewhere each drive is timing a bit different when copy data.. How do I calibrate each drive back to the same settings?
That may or may not be the problem - it might be just dirty heads. Before backing any screws out, you can use just about any diagnostic type program to have it display the rotational speed to you. MECC Computer Inspector says 299 RPM is ideal, anything between 296 and 302 should be ok.