Appendix A Connector Pinouts A-5
A.4 USB Connectors
Two Universal Serial Bus (USB) ports are located on the motherboard in a double-
stacked layout and can be accessed from the back panel.
FIGURE A-5 USB Connector Diagram
TABLE A-4 USB Connector Signals
Pin Signal Description Pin Signal Description
A1 +5 V (fused) B1 +5 V (fused)
A2 USB0/1- B2 USB2/3-
A3 USB0/1+ B3 USB2/3+
A4 Ground B4 Ground
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