Bull Novascale Blade BL465, Installation And User Manual, Page: 67 / 128

Chapter 3. Installing Options
53
8. Carefully close the microprocessor retainer.
9. Rotate the locking lever on the microprocessor socket to the closed and locked
position. Make sure that the lever is secured in the locked position by pressing the tab
on the microprocessor socket.
10. If you are reinstalling a heat sink that were removed from the blade server, complete
the following steps:
Attention:
•
Do not touch the thermal material on the bottom of the heat sink. Touching the
thermal material will contaminate it. If the thermal material on the microprocessor
or heat sink becomes contaminated, contact your service technician.
•
Do not touch exposed pins of the microprocessor socket.
a. Make sure that the thermal material is still on the bottom of the heat sink and on
the top of the microprocessor.
b. Align and place the heat sink on top of the microprocessor in the retention
bracket, thermal material side down. Press firmly on the heat sink.
c. Align the three screws on the heat sink with the holes on the heat-sink retention
module.
d. Press firmly on the captive screws and tighten them with a screwdriver, alternating
among the screws until they are tight. If possible, each screw should be rotated
two full rotations at a time. Repeat until the screws are tight. Do not overtighten
the screws by using excessive force. If you are using a torque wrench, tighten the
screws to 1.13 ± 0.13 Newton-meters (Nm) (10 ± 0.15 in-lbs).
11. If you are installing a new heat sink, complete the following steps:
Attention:
•
Do not set down the heat sink after you remove the plastic cover.
•
Do not touch the thermal material on the bottom of the heat sink. Touching the
thermal material will contaminate it. If the thermal material on the microprocessor
or heat sink becomes contaminated, contact your service technician.
•
Do not touch exposed pins of the microprocessor socket.
a. Remove the plastic protective cover from the bottom of the heat sink.