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System Board

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System Board Description System board (includes thermal material) Spare part number 663099-001 The system board is secured to the computer with six screws. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 90). 2. Remove the access panel (Access Panel on page 90). 3. When replacing the system board, make sure the following components are removed from the defective system board and installed on the replacement system board: ● Memory modules (seeMemory on page 93) ● Expansion cards (Expansion Card on page 98) ● Heat sink (Fan Sink on page 119) ● Processor (Processor on page 121) 4. Remove the fan from the chassis (Fan Assembly on page 116). 5. Rotate the drive cage to its upright position. 6. Rotate the power supply to its full upright position. 7. Disconnect all data and power cables from the system board. 8. Disconnect the balance of the cables from the system board. 9. Remove the six screws that secure the system board to the chassis. 10. Slide the system board away from the rear of the computer to disengage the ports, and then lift the board up and out of the chassis. Figure 8-38 Removing the system board To install the system board, reverse the removal procedure. 126 Chapter 8 Removal and Replacement Procedures - Small Form Factor (SFF) Chassis

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System Board
Description
Spare part number
System board (includes thermal material)
663099-001
The system board is secured to the computer with six screws.
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
90
).
2.
Remove the access panel (
Access Panel
on page
90
).
3.
When replacing the system board, make sure the following components are removed from the
defective system board and installed on the replacement system board:
●
Memory modules (see
Memory
on page
93
)
●
Expansion cards (
Expansion Card
on page
98
)
●
Heat sink (
Fan Sink
on page
119
)
●
Processor (
Processor
on page
121
)
4.
Remove the fan from the chassis (
Fan Assembly
on page
116
).
5.
Rotate the drive cage to its upright position.
6.
Rotate the power supply to its full upright position.
7.
Disconnect all data and power cables from the system board.
8.
Disconnect the balance of the cables from the system board.
9.
Remove the six screws that secure the system board to the chassis.
10.
Slide the system board away from the rear of the computer to disengage the ports, and then lift
the board up and out of the chassis.
Figure 8-38
Removing the system board
To install the system board, reverse the removal procedure.
126
Chapter 8
Removal and Replacement Procedures – Small Form Factor (SFF) Chassis