Sun Microsystems Blade X6450, Руководство по обслуживанию

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3-28 Sun Blade X6450 Server Module Service Manual • May 2009
3.4.4 Replacing a CPU and Heatsink (FRU)
Use this procedure to replace a CPU or a CPU and heatsink. To complete this
procedure, you need to identify the failed CPU, remove the heatsink and CPU, and
install the new components, taking care to apply a uniform layer of thermal
compound on top of the CPU.
When replacing CPUs:
■
Position CPU0 must always contain a CPU.
■
Do not install CPUs of different speeds on the same motherboard.
▼
To Replace a CPU and Heatsink
1. Power off the server and remove the server module from the chassis as
described in “To Remove the Server Module From the Chassis” on page 3-13 .
Caution – Do not operate the system with empty slots. Always insert a filler into an
empty slot to reduce the possibility of module shutdown.
2. Remove the main cover as described in
“To Remove the Main Cover” on
page 3-15 .
3. Press the Remind button on the motherboard to blink the LED for the CPU that
has failed (for the location of the Remind button, see
FIGURE 3-6
).
4. Identify which CPU and heatsink you are replacing.
The numeric designation of the four CPUs in the server and the CPU fault LEDs
are shown in
FIGURE 3-12
. There is a fault LED on the motherboard for each CPU: