11. If you are instructed to return the front USB connector assembly, follow all
packaging instructions, and use any packaging materials for shipping that are
supplied to you.
To remove the front USB connector assembly on the 5U server model with
hot-swap power supplies, complete the following steps. For 4U server models with
non-hot-swap power supplies, please see the above sub-section.
1. Read the safety information in “Safety” on page vii and “Installation
guidelines” on page 35.
2. Turn off the server and all attached devices; then, disconnect all power cords
and external cables.
3. Unlock and remove the side cover (see “Removing the side cover” on page
38).
4. Remove the lower bezel (see “Removing the lower bezel” on page 42).
5. Remove the upper bezel (see “Removing the upper bezel” on page 43).
6. Carefully turn the server on its side so that it is lying flat, with the system
board facing up.
Attention: Do not allow the server to fall over.
7. Disconnect the front USB cable from the system board by pushing on the
latch, and note the routing of the cable (see “System-board internal
connectors” on page 30 for the location of the front USB connector assembly
connector).
Note: Disconnection of the SATA cables is suggested if any of them interferes
with the process.
8. Stand the server back up in its vertical position.
9. Remove the hard disk drive fan duct (see “Removing the hard disk drive fan
duct” on page 222).
10. Press down and hold the release tab on the top of the front USB housing;
then, tilt the top of the housing away from the chassis and lift the housing out
USB connector cable
Figure 165. Front USB cable removal for 5U server model with hot-swap power supplies
252 System x3100 M5 Type 5457: Installation and Service Guide
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