Installing options 611. Clear any cables that might impede the replacement ofthe cover.2. Install the side cover by placing it into position and slid-ing it to the rear position as shown. Make sure thecover is latched into position.3. Lock the cover.4. Make sure the stabilizing feet are rotated outward sothat they properly support the server.5. Reconnect the external cables and cords to the server,then plug the power cords into electrical outlets.Connecting external optionsYou can attach a SCSI storage expansion enclosure to theserver.Before you begin:• Review “Before you begin” on page 43.• Read the documentation that comes with the option.To attach an external device:1. Be sure the server and all attached devices are turnedoff.2. Follow the instructions that come with the option to pre-pare it for installation and to connect it to the server.Note: If you are attaching a SCSI device, see “SCSI port”on page 66 for information about SCSI cabling andSCSI IDs.I/O connector locationsThe following illustration shows the input/output connectors(ports) and the expansion slots on the rear of the server. Forpin assignments and other details about these connectors,see “Input/output ports” on page 62.