Sun Oracle Sun Server X4-2, Service Manual

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Servicing CRUs That Require Server Power-Off 77
1. Prepare the server for service.
a. Power off the server and disconnect the power cords from the power
supplies.
See “Powering Down the Server” on page 33 .
b. Extend the server to the maintenance position.
See “Extend the Server to the Maintenance Position” on page 39 .
c. Attach an antistatic wrist strap to your wrist and then to a metal area on the
chassis.
See “Take Antistatic Measures” on page 42 .
d. Remove the server top cover.
See “Remove the Server Top Cover” on page 43 .
2. Select the PCIe riser that you want to remove.
See “PCIe Slot Characteristics” on page 85 .
3. If a PCIe card is installed in the riser, disconnect any external or internal cables
from the card.
4. Lift the green-tabbed latch on the rear of the server chassis next to the
applicable PCIe slot to release the rear bracket on the PCIe card [1].