a.  Slide the processor carrier into the rail frame.
b. 
Push the rail frame down until the blue latches lock into place.
c. 
Close the retention frame.
d. 
Use a Torx T20 screwdriver to tighten the screw.
After you finish
Install the heat sink. See 
“Install a heat sink” on page 182.
Demo video
Watch the procedure on YouTube
Install a heat sink
Follow the instructions in this section to install a heat sink. This task requires a Torx T20 driver.
About this task
Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do no 
attempt to remove or install it without proper training and qualification.
Attention: 
•  Read 
“Installation Guidelines” on page 47 and “Safety inspection checklist” on page 48 to ensure that you 
work safely.
•  Power off the server and peripheral devices and disconnect the power cords and all external cables. See 
“Power off the server” on page 62.
•  Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- 
sensitive components in their static-protective packages until installation, and handling these devices with 
an electrostatic-discharge wrist strap or other grounding system.
Procedure
Step 1.  Do the following according to your need. 
If you are replacing a processor and reusing the heat sink: 
1.  Remove the processor identification label from the heat sink and replace it with the new label 
that comes with the replacement processor.
2.  Wipe off old thermal grease on the heat sink with an alcohol cleaning pad.
If you are replacing a heat sink and reusing the processor: 
1.  Remove the processor identification label from the old heat sink and place it on the new heat 
sink in the same location.
Note: If you are unable to remove the label and place it on the new heat sink, or if the label is 
damaged during transfer, write the processor serial number from the processor identification 
label on the new heat sink in the same location as the label would be placed using a permanent 
marker.
2.  Wipe off old thermal grease on the processor with an alcohol cleaning pad.
3.  Check whether the manufacturing date on the new heat sink exceeds two years.
182
ThinkSystem SR665 V3 User Guide