4-14 Sun Fire X4450 Server Service Manual • November 2009
4.3 Replacing the Memory Riser
You must remove the memory tray to access the two memory risers.
Note – This is a customer-replaceable unit.
Caution – Ensure that all power is removed from the server before servicing
memory tray or damage to the FB-DIMMs might occur. You must disconnect all
power cables from the system before performing this procedure.
You will need a 3mm ball-end Allen wrench for this procedure.
4.3.1 Replacing the Memory Riser
1. Remove the memory tray. See Section 4.2.1, “Removing the Memory Tray” on
page 4-11.
2. Locate the memory riser.
There are two memory risers.
3. Use the Allen wrench that was shipped with your replacement memory riser to
loosen the 2 screws that hold the memory riser to the motherboard. Remove the
memory riser.
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