On one side of the cable, there are two connectors. Take a minute to familiarize yourself with the Serial cable’s three connectors.
(With EISA systems, make a note of which boards were in which slots to avoid the need to rebuild the system configuration later.) If the system starts to boot without the drives at-tached,re-attachthemonebyoneuntil it no longer boots, to see which is the problem.
Hard and floppy drives to see if they are holding the power rails down.
