Repair Information     101
System Board
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Remove all adapter cards. 
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Disconnect all cables connected to the system board. Note the location and 
orientation of all cables.
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Remove the screws securing the system board to the chassis.
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Lift the system board to remove from chassis.
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Remove memory (DIMM) if applicable.
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Remove processor if necessary
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NOTE: 
System Board Installation
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Before reinstallation, position the housing on its side. When installing a new 
system board, push the board to the rear and align it with the front locating 
pin. Visually verify that the board is aligned properly, then press the board 
down.
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Be sure to reinstall the processor, DIMMs, I/O port bracket onto the new 
system board if applicable.
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After installing the system board, secure with original screws.
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Change all jumper settings to match those of the original  board.