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Cisco UCS C220 Server Installation and Service Guide
OL-25760-01
Chapter 3 Maintaining the Server
Installing or Replacing Server Components
Figure 3-18 Replacing the Motherboard RTC Battery
Replacing a Mezzanine Card
The server has a dedicated socket on the motherboard for a mezzanine-style RAID controller card.
Note See RAID Controller Considerations, page C-1 for more information about supported cards and cabling.
To install or replace a mezzanine card, follow these steps:
Step 1 Remove the mezzanine card that you are replacing (see Figure 3-19):
a. Power off the server as described in the “Shutting Down and Powering Off the Server” section on
page 3-7.
b. Slide the server out the front of the rack far enough so that you can remove the top cover. You might
have to detach cables from the rear panel to provide clearance.
Caution If you cannot safely view and access the component, remove the server from the rack.
c. Remove the top cover as described in “Removing and Replacing the Server Top Cover” section on
page 3-8.
d. Disconnect all cables from the mezzanine card.
Tip Label the cables before you disconnect them to aid replacement.
1 RTC battery holder on motherboard –
FAN1
FAN1
FAN1
FAN2
FAN2
FAN2
FAN3
FAN3
FAN3
FAN4FAN4
FAN4
FAN4
FAN5
FAN5
FAN5
PSU2
PCIe1
PCIe2
PSU1
CPU1
CPU2
SAS1
SAS2
SAS1
SAS2
1
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