3-46 Sun Fire X4100/X4100 M2 and X4200/X4200 M2 Servers Service Manual • August 2009
Installation is the reverse of this procedure. When reinstalling screws, tighten to
7 in-lbs (0.8 Nm) using an adjustable torque driver.
3.12.9 Replacing the Front I/O Board
Note – Sun Fire servers use different versions of the front I/O board. Do not
interchange them.
Note – This component is an FRU and should be replaced only by qualified service
technicians. Contact your Sun Service representative for assistance.
Supported components and their part numbers are subject to change over time. For
the most up-to-date list of replaceable components for these servers, refer to:
http://sunsolve.sun.com/handbook_pub/Systems
1. Click the name and model of your server.
2. On the product page that opens for the server, click Full Components List to
view a list of components.
Use the following procedure to replace the front I/O board.
1. Power off the server as described in
Section 3.4 on page 3-4.
2. Disconnect any external cables from the front I/O board’s USB connectors.
3. If the server is in a rack, slide it far enough from the rack so that you can
remove the main cover and front cover. If you cannot safely view and access the
component, remove the server from the rack.
4. Remove the main cover as described in
Section 3.5 on page 3-6 or Section 3.8 on
page 3-10.
5. Remove the front bezel as described in
Section 3.6 on page 3-7 or Section 3.9 on
page 3-11.
Note – Always unfasten the bezel’s securing screw before removing the bezel.
6. Remove the front cover as described in
Section 3.7 on page 3-8 or Section 3.10 on
page 3-12.
7. Remove all six fan modules by lifting each fan module by its plastic strap to
disconnect it from its fan connector board.
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