Evil Homer,
Have you visited the Maxtor weboite and used the wee utility that they have for changing the noise level of the drive? I believe when the drive ships it does so in quite mode which effects the movement of the heads across the platters. Thus running quieter. Here is the link.
http://www.maxtor.com/products/diamondmax/techsupport/technicalprocedures/21007.html
ht_addict