2. Position the new heat-sink-and-fan assembly on the system board. Ensure that the four screws are
aligned with the holes in the system board. Follow the following sequence to tighten the four screws to
secure the new heat-sink-and-fan assembly to the system board. Do not over-tighten the screws. Then,
install the four screws to secure the new heat-sink-and-fan assembly to the chassis.
• Partially tighten screw
• Partially tighten screw
Notes:
• Apply appropriate amount of thermal grease to the new heat-sink-and-fan assembly.
• In case you need to install the chassis beam as well, ensure that it has been installed in place before
you install the 125-watt heat-sink-and-fan assembly.
2a
, fully tighten screw
2b
2c
, fully tighten screw
2d
, and then fully tighten screw
, and then fully tighten screw
.
Chapter 7
Hardware removal and installation
2a
.
2c
.
87