Sun Oracle Sun Fire X4270 M2 Service Manual page 104

a. Power off the server and disconnect the power cord (or cords) from the power
b. Extend the server to the maintenance position.
c. Attach an antistatic wrist strap.
d. Remove the top cover.
2. If you are servicing a PCIe card, locate its position in the system.
3. Disconnect any data cables connected to the cards on the PCIe riser being
removed.
Label the cables to ensure proper connection later.
4. Remove the back panel PCI crossbar (
a. Loosen the two captive Phillips screws on the end of the PCI crossbar [1].
b. Lift the PCI crossbar up and back to remove it from the chassis [1].
5. Remove the PCIe riser from the system (
a. Loosen the captive screw holding the riser to the motherboard [2].
b. Lift up the riser and any PCIe cards that are attached to it as a unit [2].
4-18 Sun Fire X4270 M2 Server Service Manual • May 2011
supply (or supplies).
See Section 2.4.2, "Power Off the Server" on page
See Section 2.6, "Extending the Server to the Maintenance Position" on
page 2-26.
See Section 2.9, "Performing Electrostatic Discharge and Antistatic Prevention
Measures" on page 2-31.
See Section 2.10, "Removing the Server's Top Cover" on page
The server can have up to three PCIe risers. Each riser can support two PCIe
cards.
2-4.
).
FIGURE 4-9
).
FIGURE 4-9
2-33.