Acer Altos G5350 Series - Manual (Page 50)

3 System upgrade 40
(1) Slide the cage into the chassis with the backplane board
facing the rear of the chassis. The cage is locked to the chassis
with an audible click.
(2) Locate and attach the following cables clamped on the side of
the chassis to their corresponding connectors on the
backplane board:
Important: If a four-bay hot-plug SCSI HDD cage is already
installed in the top HDD bay, you must block the J1 jumper. Set
pins 1 and 2 to Close.
(1) SCSI data cable