Samsung SD-R5472C-TMAF - Manual (Page 11)

and Connecting Cables
Installing DVD±R/RW Drive
1. Turn the PC off.
2. Open the cover as shown in the picture.
3. If necessary, attach the support devices on both sides of
the drive
- The support devices are PC accessories. Purchase a
pair if necessary.
(SCREW : M3 X 6 X 4 )
4. Insert the DVD±R/RW Drive after removing the plate as below
Be sure to use the screws (M3x6) provided with the product.
- Using screws other than M3x6 may cause malfunction.
Be sure that the screws are tightened securely in place.
Loosely tightened screws may result in an increased level of noise.