IBM 7015-R50 Installation And Service Manual page 150

R50 Media Module: Slide the media module toward you until you can access the
bottom of the disk drive docking connector card, then remove the SCSI cable
connector from the bottom of the docking connector card.
4-28
Service Guide
R50 SCSI Cable Connector
Front of Media Module
Disk Drive Docking Connector Card
Bottom of Media Module
Rear of
Media Module