IBM System x3100 M4 Type 2582 Problem Determination And Service Manual page 255

Front USB connector
assembly
Spring clips
8. Place the bottom edge of the housing into the bottom of the opening in the
chassis; then, tilt the top of the housing into position until it clicks into place.
9. 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.
10. Reroute and connect the front USB cable to the front USB connector on the
system board (see "System-board internal connectors" on page 17 for the
location of the front USB connector).
Front USB housing
Front USB housing
Chapter 5. Removing and replacing server components
235