Dell PowerEdge 500SC - Manual (Page 25)

10. Lift the front of the system board to clear the mounting standoffs and slide the system board toward the front of the system chassis about 6.3 mm
(0.25-inch) see Figure 17 .
11. Carefully lift the system board up and out of the chassis.
Be sure to lift evenly and not twist the system board.
Figure 17. System Board Removal
12. Place the system board on a smooth, antistatic surface.
13. Remove the microprocessor .
15. Remove the memory modules .
To replace the system board, perform the following steps:
1. Press the system board evenly into all the grounding tabs for the I/O ports on the back of the chassis and then, slide it to the rear about 6.3 mm (0.25-
inch) so that the mounting standoffs protrude through the system board.
2. Tighten the hex-head Phillips screw to secure the system board to the back of the chassis.
3. Install the memory modules .
4. Install the microprocessor .
5. Check to ensure the system board jumpers and switches are set to the same settings as the board you removed.
6. Install the expansion cards .
7. Connect all internal power and signal interface cables.
8. Install the fan .
9. Install the cooling shroud .
10. Replace the system cover and support beam.
11. Connect external peripheral cables.
12. Connect the power to the system and turn the system on.
System Board Features
Figure 18 defines the system board features. Use this figure when replacing your system board or components that attach to the system board.
Figure 18. System Board Features
1 System board
2 Phillips-head screw
1 Mounting standoffs