What hard disks are compatible with black hardware?
Drives that support SCSI-1, asynchronous transfer. Some drives may require that you configure /etc/disktab with the proper disk description. Some models of drive may not work if they do not allow asychronous transfer (frequently a jumper setting). IBM DeskStar drives, for example, are not compatible ‘out of the box’, and resetting the drive to asynchronous transfer (which IBM maintains is possible) is probably beyond the expertise of most users (not a jumper setting). Most Quantum drives, OTOH, seem to be compatible ‘as is’, as do Seagate and Fujitsu drives and other models of IBM, for that matter. I have not tested Hitachi (nee IBM) DeskStar models.