Caution - This procedure requires that you handle components that are sensitive to electrostatic discharge. This discharge can cause server components to fail.
See Remove the Top Cover.
See Remove the Air Duct.
Note - Make note of the location of expansion cards in PCIe/XAUI risers 0 and 1.
If you have difficulty releasing the cable plug, first push the plug slightly into the connector, then press the latching mechanism.
Caution - The hard drive data cables are delicate. Ensure they are safely out of the way when servicing the motherboard.
All FB-DIMMs. Note the memory configuration so that you can install the FB-DIMMs in the replacement motherboard.
Caution - If you touch the heat sink when removing the bus bar screw, you might get burned.
Note - Set the four screws aside. You must use these screws to attach the motherboard to the bus bar during installation.
The captive screw is green, and is located to the left of the bus bar screws.
Caution - Some components on the motherboard might be hot. Use caution when handling the motherboard, especially near the CMP heat sinks.
Figure 84 Removing the Motherboard Assembly (Sun SPARC Enterprise T5140 Server Shown)