Dell E28S Series Owner's Manual page 186

Installing and removing system components
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. Keep the Phillips #2 screwdriver ready.
4. Unpack the new system board assembly.
Procedure
1. Hold the system board by its edges and the system board t-handle, and angle it toward the
2. Lower the system board into the chassis till the connectors at the back of the system board
3. Tighten the nine screws that secure the system board to the chassis.
Dell PowerEdge R430 Owner's Manual
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back of the chassis.
align with the slots on the rear wall of the chassis, and the screw holes on the system board
align with the standoffs on the chassis.
Figure 102 Installing the system board
a. screw (9)
b. system board
c. system board t-handle