Dell Alienware Area-51m R2 Service Manual page 69

1. Power-button board cable
The following image indicates the connectors on the top side of your system board.
1. Coin-cell battery cable
3. Keyboard-controller cable
5. Left power-adapter port cable
The following image indicates the location of the system board and provides a visual representation of the installation procedure.
2. Card-reader board cable
4. Touchpad cable
6. Audio daughter-board cable
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