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4-52 Sun Fire X4100 and Sun Fire X4200 Servers Service Manual • June 2006
4.4.13 Replacing the Motherboard
Follow these steps to remove and replace the motherboard.
Note – This component is a FRU and should be replaced only by qualified service
technicians. Contact your Sun Service representative for assistance.
TABLE 4-14 lists the qualified part numbers for this component. These part numbers
are subject to change over time. For the most up-to-date list of replaceable
components, product updates, and downloads, see the following URL:
http://www.sun.com/servers/entry/x4100/downloads.jsp
1. Power off the server as described in Section 4.2.1, “Powering Off the Server” on
page 4-2.
2. If the server is in a rack, remove the server from the rack.
3. Remove the main cover as described in Section 4.2.2, “Removing the Main Cover”
on page 4-3.
4. Remove the front bezel as described in Section 4.2.3, “Removing the Front Bezel”
on page 4-4.
Note – Always unfasten the bezel’s securing screw before removing the bezel.
5. Remove the front cover as described in Section 4.2.4, “Removing the Front Cover”
on page 4-5.
6. Remove all PCI cards:
a. Disconnect any external cables from the PCI cards.
b. Working from the rear of the chassis, pivot each card latch to release the rear of
the PCI cards. See
FIGURE 4-45.
TABLE 4-14 Sun Fire X4200 Supported Motherboard Part Numbers
Component Part Number
Motherboard, Sun Fire X4200
(RoHS-compliant, replaces 501-6974 and 501-7645)
501-7514