Dell Vostro 220 (Late 2008) - Manual (Page 85)

Drives
85
Removing a Drive Bay Break-Away Metal Plate
Vostro 420 and Vostro 220
Vostro 420
To remove the 3.5-inch bay break-away metal plate, insert the tip of a Phillips
screwdriver into the slot on the plate, and rotate the screwdriver outwards for
leverage to twist and ultimately break the two metal tabs that attach the plate
to the chassis.
NOTE:
Discard the 3.5-inch bay metal plate once it is removed. It is not designed
for reuse. A front-panel insert is available for covering the opening of the empty
3.5-inch bay (once the break-away metal plate has been initially removed) should
you decide to permanently remove a device from the 3.5-inch bay.
The break-away metal plates for the 5.25-inch drive bays can be reused as
front-panel inserts to cover an empty 5.25-inch drive bay. Before removing a
metal plate for an optical drive bay (5.25-inch drive bay), notice whether it is
1 3.5-inch bay break-away metal plate
1