Sun Oracle Fire X4440, Руководство по обслуживанию

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4-8 Sun Fire X4440 Server Service Manual • September 2010
a. Power off the server.
See Section 2.5, “Powering Off the Server” on page 2-4 .
b. Disconnect the power cord (or cords) from the power supply (or supplies).
See Section 2.5, “Powering Off the Server” on page 2-4 .
c. Slide the server out of the rack.
See Section 2.7, “Removing a Server From the Rack” on page 2-8 .
d. Attach an antistatic wrist strap.
See Section 2.8, “Performing Electrostatic Discharge and Antistatic Prevention
Measures” on page 2-10 .
e. Remove the top cover.
See Section 2.9, “Removing the Top Cover” on page 2-12 .
3. If you are replacing a faulty DDR2 DIMM, press the Fault Remind button on
the motherboard and mezzanine tray to locate the DDR2 DIMM that you want
to replace.
The faulty DDR2 DIMM LED flashes when the Fault Remind button is pressed
and held. All faulty DIMMs are indicated with an amber LED, so that you can
install the replacement DDR2 DIMM in the same location.
4. Do one of the following.
■
If the faulty DIMM is located on the mezzanine board, then lift up the air duct.
(
FIGURE 4-4
[1]).
■
If the faulty DIMM is located on the motherboard, then remove the mezzanine
tray. See
Section 4.2, “Servicing the Mezzanine Tray” on page 4-12 .
Tip – Make a note of the faulty DDR2 DIMM location.
5. Push down on the ejector tabs on each side of the DDR2 DIMM until the
DIMM is released (
FIGURE 4-4
).
6. Grasp the top corners of the faulty DDR2 DIMM and remove it from the server.