Dell OptiPlex GX50 Systems Service Manual page 44

2. Connect the interposer board to the CD drive, ensuring that the data, power, and audio cables are attached to the
interposer board.
Connecting the Interposer Board—Small Form-Factor Computer
1 Interposer board
Small Desktop and Small Mini-Tower Computers
1. Gently slide the drive into place until the tabs securely click into position.
2. If you are installing a drive that has its own controller card, install the controller card in an expansion slot.
3. Connect the drive, power, and audio cables to the drive.
Connecting Cables—Small Desktop Computer