5.The power supply socket is on the back of the hard disk drive, next to the cable you just connected. Pull the power supply cable through the lower opening in the right side of the subassembly so it reaches the drive socket easily. Align the connector with the socket so that the notched comers line up, as shown below.
notched corners
notched corners
6.Notice that there are two tabs facing downward on one edge of the mounting plate. These tabs will fit into two slots in the right side of the subassembly.
tabs
Installing and Removing Drives