Epson EQUITY 3865X/20 PLUS User Manual page 158

The ribbon cable socket on the back of the drive has two
rows of pins. In one of the rows, a pin is missing.
3. Align the connector with the socket so that the row in the
connector with the blocked hole lines up with the row in
the socket with the missing pin.
missing pin
Make sure the holes fit over all the pins and then push the
connector onto the pins.
Caution
If you do not correctly align the holes with
could severely damage your hard disk drive
push in the connector.
Installing and Removing Disk Drives
7-14
ribbon cable socket
missing pin
hole
the pins, you
when you