To Remove The Heat Sink And Cpu - Sun Microsystems Ultra 27 Service Manual

Before removing the CPU from the motherboard, create a backup file to preserve all
Note –
important data.
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To Remove the Heat Sink and CPU

Power off the workstation using the procedure described in the section,
1
Workstation"on page
Remove the left-side access panel using the procedure described in the section,
2
Left-Side Access Panel"on page
Gently lay the system on its right side on a stable, nonslip surface.
3
Disconnect the heat sink's CPU fan cable from its connector on the motherboard.
4
The CPU fan connector is labeled CPU_FAN.
Remove the heat sink assembly by alternately loosening (2-3 turns) the four captive screws that
5
secure the heat sink assembly to the motherboard. Continue loosening each screw until all the
screws are no longer securing the heat sink (see
The heat sink assembly is also mounted to the top surface of the CPU by a layer of thermal
compound.
Chapter 3 • Maintaining the Workstation
30.
31.
Replacing the Heat Sink and CPU
Figure 3–31).
"To Power Off the
"To Remove the
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