4-14 Sun Fire X4150 Server Service Manual • November 2009
4.3 Servicing PCIe Risers
PCIe cards are installed on vertical risers. You must remove the relevant riser to
access a PCIe card. You must remove all three PCIe risers when replacing the
motherboard.
Note – This is a customer-replaceable unit.
Caution – This procedure requires that you handle components that are sensitive to
static discharge. This sensitivity can cause the component to fail. To avoid damage,
ensure that you follow antistatic practices as described in Section 2.7, “Performing
Electrostatic Discharge and Antistatic Prevention Measures” on page 2-8.
▼ To Remove a PCIe Riser
Caution – Ensure that all power is removed from the server before removing or
installing risers. You must disconnect the power cables before performing this
procedure.
1. Prepare the server for service.
a. Power off the server.
See Section 2.4, “Powering Off the Server” on page 2-3.
b. Disconnect the power cord (or cords) from the power supply (or supplies).
See Section 2.4, “Powering Off the Server” on page 2-3.
c. Attach an antistatic wrist strap.
See Section 2.7, “Performing Electrostatic Discharge and Antistatic Prevention
Measures” on page 2-8.
2. Disconnect any data cables connected to the cards on the PCIe riser being
removed.
Label the cables to ensure proper connection later.
3. Slide the server out of the rack.
See Section 2.5, “Extending the Server to the Maintenance Position” on page 2-5.
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