Oracle Sun Server X4-4 Service Manual page 220

Replace the Motherboard (FRU)
For serviceability considerations, see
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Before You Begin
To complete this procedure, you need:
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Prepare the server for service. See
1.
Service" on page
Remove the SP card. See
2.
Remove all PCIe cards from the server taking care to note their slot
3.
assignments. See
The slot population on the replacement motherboard needs to match the population on the failed
board.
If the server has two CPUs, carefully remove the air baffle, taking care not to
4.
damage the fan board ribbon cable.
Lift the baffle slowly and maneuver its front edge away from the ribbon cable while removing.
Caution -
board ribbon cable. The front support foot for the air baffle is located under the cable.
Remove all memory riser cards. See
5.
Card" on page
6. Disconnect the fan board ribbon cable from the motherboard.
7. Remove the CPUs and heatsinks from the motherboard. See
Heatsink and CPU (FRU)" on page 174
8. Loosen the green captive screw that secures the motherboard to the chassis.
220 Sun Server X4-4 Service Manual • October 2015
Alcohol wipes
Thermal compound
90.
"Remove the SP Card (FRU)" on page
"Remove a PCIe Card" on page
Component damage. Lifting the baffle straight up from the server can damage the fan
131.
"Component Serviceability" on page
"Prepare the Server for Cold
148.
"Remove a Memory Riser
66.
215.
"Remove a