15.3 Replacing the CPU or LC kit
Field Replaceable Unit
(FRU)
Hardware: 15 minutes
Software: 5 minutes
Tools: Phillips PH2 / (+) No. 2 screw driver
CAUTION
CPUs are extremely sensitive to electrostatic discharge and therefore
must always 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.
Preliminary steps
For CPU1 and CPU2 on the bottom system board:
▶
"Locating the defective server" on page
43.
▶
"Suspending BitLocker functionality" on page 85.
▶
"Shutting down the server" on page 45.
▶
"Disconnecting the power cord" on page 46.
▶
"Removing the server from the rack" on page 49.
▶
"Getting access to the component" on page 47.
▶
"Removing the riser module 3/4 and 6/7" on page 61.
▶
"Removing the fan cage" on page 69.
▶
"Removing the top system board holder" on page 74.
For CPU3 and CPU4 on the top system board:
▶
"Locating the defective server" on page 43.
▶
"Suspending BitLocker functionality" on page 85.
▶
"Shutting down the server" on page 45.
Liquid cooling (LC)
380 Upgrade and Maintenance Manual RX4770 M5
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