Chapter 3 Maintaining the Server
Installing or Replacing Components
DIMM Installation Procedure
To install or replace a DIMM, follow these steps:
Note Refer to the DIMM population rules before removing or installing DIMMs. See the “Memory Performance Guidelines and Population Rules” section on page
Step 1 Remove an existing DIMM:
a.Power off the server as described in the “Shutting Down and Powering Off the Server” section on page
b.Disconnect all power cords from the power supplies.
c.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.
d.Remove the top cover as described in the “Removing and Replacing the Server Top Cover” section on page
e.Remove the air baffle that sits over the CPUs and DIMMs and set it aside.
f.Push down on the ejector levers at both ends of the DIMM slot.
g.Grasp the DIMM by its top corners and remove it from the server. Place the DIMM on an antistatic mat or in antistatic packaging.
Step 2 Install a DIMM:
a.With the ejector levers at both ends of the DIMM slot fully open, orient the DIMM’s alignment notch with the alignment key in the DIMM slot.
b.Press down on both top corners of the DIMM simultaneously until the ejector levers click and lock in place on the DIMM.
c.Replace the air baffle and the top cover.
d.Replace the server in the rack, replace power cords and any other cables, and then power on the server by pressing the Power button.
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