2-24 Hardware InstallationUSB-CThe I/O Board is connected to the motherboard through a non-standard USB Type Cconnector. The I/O Board provides a +24V power to the motherboard through the VBUSlines of the USB-C connector.Signal Pin Pin SignalGND A1 B12 GNDUSB 3.0 TX1+ A2 B11 USB 3.0 RX1+USB 3.0 TX1– A3 B10 USB 3.0 RX1–+V (24V) A4 B9 +V (24V)CC1 (GPIO1) A5 B8 SBU2USB 2.0 A D+ A6 B7 USB 2.0 B D–USB 2.0 A D– A7 B6 USB 2.0 B D+SBU1 A8 B5 CC2 (GPIO2)+V (24V) A9 B4 +V (24V)Display Port A10 B3 Display PortDisplay Port A11 B2 Display PortGND A12 B1 GNDSince reversibility is not required, the CC1 and CC2 signals will be re-purposed for thefollowing functions:Signal Pin FunctionCC1 (GPIO1) A5 Power Status from MotherboardCC2 (GPIO2) B5 Display Port Hot Plug DetectUSB 3.0The I/O Board provides a dual-stack USB 3.0 Type A connector. Each standard +5V USBport is capable of supplying 5V at 900mA which is controlled via load switch.
