Replacing The Supercap (Raid Backup); Replacing A Storage Controller Card - Cisco UCS C240 M5 Installation And Service Manual

Maintaining the Server
Step 4
Replace the top cover to the server.
Step 5 Replace the server in the rack, replace cables, and then fully power on the server by pressing the Power button.
Figure 45: Replacing a Storage Controller Card
1 Blue ejector lever on card top edge

Replacing the Supercap (RAID Backup)

This server supports installation of one supercap unit. The unit mounts to a bracket on the removable air baffle.
The supercap provides approximately three years of backup for the disk write-back cache DRAM in the case
of a sudden power loss by offloading the cache to the NAND flash.
Replacing the Supercap (RAID Backup)
2 Pegs on inner chassis wall (four)
Cisco UCS C240 M5 Server Installation and Service Guide
103