Samsung SC-152GEBS - Manual (Page 8)

Setup Setup
To install your CD-ROM Drive in the PC, proceed as follows.
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 CD-ROM drive, as shown in the
illustration.
Installing the CD-ROM Drive
Connecting the Cables