Lenovo 5457 Installation And Service Manual page 254

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
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
4. Remove the lower bezel (see
5. Remove the upper bezel (see
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 27
connector assembly connector).
Note: Disconnection of the SATA cables is suggested if any of them interferes with the process.
Figure 166. Front USB cable removal for 5U server model with hot-swap power supplies
8. Stand the server back up in its vertical position.
9. Remove the hard disk drive fan duct (see
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 of the opening in the chassis.
Lenovo System x3100 M5 Installation and Service Guide
242
"Safety" on page v and
"Removing the side cover" on page
"Removing the lower bezel" on page
"Removing the upper bezel" on page
USB connector cable
"Removing the hard disk drive fan duct" on page
"Installation guidelines" on page
173).
182).
184).
for the location of the front USB
31.
214).