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Chapter 3
Maintaining the Server
DIMM Replacement Procedure
To install a DIMM assembly, follow these steps:
Remove the DIMM that you are replacing:
Step 1
a.
b.
If you cannot safely view and access the component, remove the server from the rack.
Caution
c.
d.
e.
Install a new DIMM:
Step 2
Note
f.
g.
h.
i.
OL-26646-01
Power off the server as described in the
page
3-6.
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.
Remove the top cover as described in
page
3-7.
Remove the internal air baffle from the server to provide access to the DIMM slots.
Open the ejector levers at both ends of the DIMM slot, then lift the DIMM out of the slot.
Before installing DIMMs, refer to the population guidelines. See
Guidelines and Population Rules, page
Align the new DIMM with the empty slot on the motherboard. Use the alignment key in the DIMM
slot to correctly orient the DIMM.
Push down evenly on the top corners of the DIMM until it is fully seated and the ejector levers on
both ends lock into place.
Replace the air baffle and the top cover.
Replace the server in the rack, replace cables, and then power on the server by pressing the Power
button.
Installing or Replacing Server Components
"Shutting Down and Powering Off the Server" section on
"Removing and Replacing the Server Top Cover" section on
3-20.
Cisco UCS C22 Server Installation and Service Guide
Memory Performance
3-23
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