Samsung SD-616QEP - Manual (Page 8)

To install your DVD-ROM Drive in the PC, proceed as follows.
Installing the CD-R/RW Drive
Setup Setup
Connecting the Cables
Make sure that the PC is powered off and disconnected from any power source.
If necessary, attach a horizontal bracket to both sides of the drive.
Remove the cover from a free expansion slot and install the DVD-ROM drive, as shown in the
illustration.