Kontron NSN2U IP Network Server - Manual (Page 24)

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3. Loosen the blue captive thumb screw (Figure 12, “B”) at the rear of the chassis.
Notice the guide pins that will be used to re-install the riser assembly into the
chassis. (“A”)
4. Lift the riser card assembly out of the chassis.
5. If there is a riser card in the assembly, rest the assembly upside-down with the
sheet metal cover on the bottom so the assembly is not resting on the card edge.
Figure 12. Riser Card Assembly Retention Screw
Re-Installing the Riser Card Assembly
To re-install the riser card assembly:
1. Position the riser front tab guide hole over the guide pin on the server board. See
Figure 13, (“C”).
2. Make sure the forks on the back of the assembly rest securely on the guide pins on
the rear of the chassis (“B”).
3. Using the blue touch points on the top of the assembly (A), press down to mate the
riser card with the header on the server board.
4. Tighten the blue retention screw on the rear of the chassis. See Figure 12.
5. Replace the chassis back cover. For instructions see “Re-Installing the Back Cover”
in Section 3.2.
Figure 13. Installing the Riser Card Assembly