the cables will damage the cable connectors on the system board. Any damage to the cable
connectors may require replacing the system board.
Step 6.
Remove any of the following components that are installed on the system board and put them in a
safe, static-protective place:
• Adapters (see “Removing an adapter” on page 110)
• DIMMs (see “Removing a DIMM” on page 96)
• Microprocessor and heat sink (see “Removing the microprocessor and heat sink (Trained
technician only)” on page 145)
Notes:
– Do not allow the thermal grease to come in contact with anything. Contact with any surface
can compromise the thermal grease and the microprocessor socket.
– Keep each heat sink paired with its microprocessor for reinstallation A mismatch between the
microprocessor and its original heat sink can require the installation of a new heat sink.
• The RAID battery holder (see “Removing the flash power module holder” on page 94)
Step 7.
Remove the system board.
a.
Remove the nine screws that secure the system board to the chassis, and put the screws
in a safe place.
b.
Hold the two corners
1
of the system board carefully. Avoid touching the connectors on the
system board.
c.
Lift and tilt the system board upwards and slightly pull the system board towards the front of
the server.
d.
Lift and remove the system board from the server carefully.
Note:
When you remove the system board from the server, avoid touching the cable clips on the
side of the chassis and the connectors on the system board. Do not damage any surrounding
components inside the chassis.
Figure 95. System board removal
156
Lenovo System x3250 M6 Installation and Service Guide
Summary of Contents for x3250 m6
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