System-board external connectors
The following illustrations show the external connectors on the system board.
Figure 1. System-board external connectors
![System-board external connectors](xinyi020mlk_mbexter.jpg)
![System-board external connectors](xinyi020mlk_mbexter.jpg)
Figure 2. System-board external connectors: for machine type 8871–AC3
![System-board external connectors](riesling2u_mbexter.jpg)
![System-board external connectors](riesling2u_mbexter.jpg)
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The following illustrations show the external connectors on the system board.