4. Remove the top cover bracket (see “Removing the top-cover bracket” on page
107).
5. Remove the middle fan (see “Removing the middle hot-swap fan” on page
122).
6. Remove the memory cards and memory card fillers (see “Removing a memory
card” on page 136).
7. Disconnect the SAS cables from the RAID card controller.
8. Remove the RAID card controller (see “Removing the RAID adapter carrier
and the RAID adapter assembly” on page 146).
9. Remove the memory-card cage (see “Removing the memory-card cage” on
page 175).
10. Press on the release latches on the front side of the USB mounting bracket and
push the mounting bracket into the server.
11. Pull the USB assembly through the opening and remove it from the server.
12. If you are instructed to return the front USB assembly, follow all packaging
instructions, and use any packaging materials for shipping that are supplied
to you.
Replacing the front USB assembly
This topic provides instructions for replacing the front USB assembly.
About this task
To install the replacement front USB assembly, complete the following steps:
Procedure
1. Insert the USB assembly into the opening from inside the server and push it
in until it clicks into place.
2. Route the USB assembly cable under the hard disk drive backplane to the
outside of the RAID PCI Express connector.
3. Install the memory-card cage assembly (see “Replacing the memory-card
cage” on page 176).
4. Connect the SAS cables to the RAID card controller.
5. Install the RAID card controller (“Replacing the RAID adapter carrier and the
RAID adapter assembly” on page 149).
6. Install the middle fan (see “Replacing the middle hot-swap fan” on page 123).
7. Install the memory cards and memory card fillers (see “Replacing a memory
card” on page 137).
8. Install the top cover bracket (see “Replacing the top-cover bracket” on page
108).
9. Install the top cover (see “Replacing the top cover” on page 107) and the front
bezel (see “Replacing the front bezel” on page 109).
10. Connect the cables and power cords (see “Connecting the cables” on page 104
for cabling instructions).
11. Turn on all attached devices and the server.
142 IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Problem Determination and Service Guide
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