6 Dell PowerEdge 4300 System Board Upgrade Installation
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To remove the system board tray, perform the following steps:
1. Disconnect all cables from the system board.
When disconnecting the power cables from the system board, press the plastic
latch on one side of the connector to release it.
2. Release the tray latch at the lower-back corner of the system board tray (see Fig-
ure 4) and pull the tray open to the service position. Then depress the latch again
and pull the tray out of the chassis.

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board tray
tray latch