Installing the front USB connector assembly
To install the front USB connector assembly, complete the following steps.
1. Carefully feed the front USB cable through the opening in the front of the
chassis.
2. Squeeze the spring clips on the sides of the front USB connector assembly and
insert the assembly into the housing through the back of the housing.
3. 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.
4. Reroute and connect the front USB cable to the system board (see
“System-board internal connectors” on page 11 for the location of the front USB
connector).
5. Replace the bezel (see “Replacing the bezel” on page 99).
6. Install the side cover (see “Installing the side cover” on page 101).
7. Lock the side cover.
8. Reconnect the external cables and power cords; then, turn on the attached
devices and turn on the server.
Removing the rear adapter retention bracket
To remove the rear adapter-retention bracket, complete the following steps:
1. Turn off the server and all attached devices; then, disconnect all power cords
and external cables.
2. Unlock and remove the side cover (see “Removing the side cover” on page
100).
3. Remove all adapters and place the adapters on static-protective surface.
Note: You might find it helpful to note where each adapter is installed before
removing the adapters.
4. Release the rear adapter-retention bracket by pressing up on the rear adapter
retainer bracket and rotate the bracket partially toward the closed position.
5. Grasp the bracket on one side at the hinge point and pull outward (while
rotating the bracket slightly toward the front of the server) until the bracket is
free of the hinge pin; then, push the bracket in the opposite direction to release
the other side of the bracket and remove adapter guide from the server.
130 System x3400 Types 7973, 7974, 7975, and 7976: Problem Determination and Service Guide
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