The interface that protrudes from the back of the drive has gold contacts on both sides. Near one end of the interface, there is a gap designed to accommodate the plastic divider on the cable connector.
ribbon cable | drive interface | |
connector | ||
|
. gap
Align the cable connector with the drive interface so that the plastic divider on the connector lines up with the gap in the drive interface, as shown below.
Installing and Removing Disk Drives