Samsung TS-H352A-WBEH - Manual (Page 9)

Connecting the Cables
Setup
To install your DVD-ROM Drive in the PC, proceed as follows.
Installing the DVD-ROM Drive
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.