The positive side of the battery marked “3V+” should face
up.
Note
b) Replace PCIe riser 1 to the server. See Replacing a PCIe Riser, on page 93.
c) Replace the top cover to the server.
d) Replace the server in the rack, replace cables, and then fully power on the server by pressing the Power button.
Figure 37: RTC Battery Location on Motherboard
-RTC battery in horizontal socket on motherboard1
Replacing Power Supplies
The server can have one or two power supplies. When two power supplies are installed they are redundant as
1+1.
•
See also Power Specifications, on page 122 for more information about the supported power supplies.
•
See also Rear-Panel LEDs, on page 35 for information about the power supply LEDs.
This section includes procedures for replacing AC and DC power supply units.
Cisco UCS C240 M5 Server Installation and Service Guide
88
Maintaining the Server
Replacing Power Supplies
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