Removing The Motherboard - Sun Microsystems Sun Fire X2100 M2 Service Manual

4.5.14.1

Removing the Motherboard

To remove the motherboard:
1. Power off the system and remove the cover as described in
Off the Server and Removing the Cover" on page
2. Remove the PCIe card riser installed on the motherboard (see
"Replacing the PCIe Card and Riser Assembly" on page
Section 4.5.6, "Replacing an Air Duct" on page
3. Disconnect all cables attached to the motherboard.
4. Remove the four screws from the heatsink.
Note – Do not remove the screws that secure the CPU heatsink assemblies
mounting to the motherboard.
5. Remove the five Phillips screws that fasten the motherboard to the chassis.
6. Remove the screws attaching the serial connector to the chassis with a 5 mm nut
driver.
FIGURE 4-38
Removing the Motherboard
Chapter 4 Maintaining the Sun Fire X2100 M2 Server
Section 4.3, "Powering
4-3.
Section 4.5.2,
4-9) and the air duct (see
4-22).
4-45