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System Board
Description Spare part number
System board 648965-001
Thermal pad, DIMM (20mm x 50mm x 2.5mm) 651595-001
Thermal pad, VRM (15mm x 40mm x 4mm) 651596-001
To remove the system board:
1. Prepare the computer for disassembly (see
Preparing to Disassemble the Computer
on page 27).
2. Remove the small rear cover (see
Small Rear Cover on page 28).
3. Remove the stand (see
Stand on page 29).
4. Remove the right rear cover (see
Right Rear Cover on page 35).
5. Remove the heat sink (see
Heat Sink (Thermal Module) on page 38).
6. Remove the rear cover (see
Rear Cover on page 46).
7. Remove the system board shield (see
System Board Shield on page 51).
8. Disconnect all cables from the system board, noting their location for reinstallation.
9. Remove the six screws (1) that secure the system board to the computer.
10. Disconnect any cables still connected to the system board, noting their location for re-
connection.
56 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis