Removing The System Board - Lenovo System x3100 M4 Installation And Service Manual

4. Use a clean area of the cleaning pad to wipe the thermal grease from the microprocessor; then, dispose
of the cleaning pad after all of the thermal grease is removed.
Microprocessor
5. Use the thermal-grease syringe to place 9 uniformly spaced dots of 0.02 mL each on the top of the
microprocessor. The outermost dots must be within approximately 5 mm of the edge of the
microprocessor; this is to ensure uniform distribution of the grease.
Note: If the grease is properly applied, approximately half of the grease will remain in the syringe.
6. Install the heat sink onto the microprocessor as described in
sink" on page 226.

Removing the system board

Use this information to remove the system board.
To remove the system board on 4U server models with non-hot-swap power supplies, complete the
following steps. For the 5U server model with hot-swap power supplies (Model name: 2582-F4x), please see
the next sub-section.
1. Read the safety information in
2. Turn off the server and all peripheral devices; then, disconnect the power cords and all external cables.
3. Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention: Do not allow the server to fall over.
4. Remove the side cover (see
5. Remove the air duct.
6. Remove the microprocessor and heat sink (see
222).
Attention: Remove the socket covers from the microprocessor sockets on the new system board and
place them on the microprocessor sockets of the system board you are removing.
7. Pull the drive cage half out of the chassis.
System x3100 M4 Installation and Service Guide
230
0.02 mL of thermal
grease
"Safety" on page v
"Removing the side cover" on page
"Replacing a microprocessor and heat
and "Installation guidelines" on page
145).
"Removing the microprocessor and heat sink" on page
30.