RX2540 M4 Upgrade and Maintenance Manual 369
12.2 Replacing the CPU or LC device
V CAUTION!
CPUs are extremely sensitive to electrostatic discharge and must be
handled with care. After a CPU has been removed from its protective
sleeve or from its socket, place it upside down on a nonconducting,
antistatic surface. Never push a CPU over a surface.
12.2.1 Preliminary steps
Ê "Locating the defective server" on page 53
Ê "Suspending BitLocker functionality" on page 91
Ê "Shutting down the server" on page 55
Ê "Disconnecting the power cord" on page 56
Ê "Getting access to the component" on page 58
Ê "Removing the air duct" on page 88
Ê If applicable, remove the riser module, see section "Removing the riser
module 1 (FL)" on page 82.
12.2.2 Removing the LC device
Ê Remove the crossbar, see figure 404 on page 538.
Field Replaceable Unit
(FRU)
Hardware: 15 minutes
Software: 5 minutes
Tools: Phillips PH2 / (+) No. 2 screw driver
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