Asus N100I-EM-A Users Manual English - Page 20
Internal connectors
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2.6.2 Internal connectors 1. Chassis Fan header (4-pin CHA_FAN) Connect the fan cable to the fan header on the motherboard, ensuring that the black wire of each cable matches the ground pin of the header. CHA_FAN FAN_PWM FAN_IN 12V GND PIN 1 Connector type WAFER HD 4p, 2.54mm pitch, S/T CAUTION! Do not forget to connect the fan cable to the fan header. Insufficient air flow inside the system may damage the motherboard components. This is not a jumper! Do not place a jumper cap on the fan header! 2. USB 3.2 Gen 1 header (20-1 pin U32G1_34) Connect a USB 3.2 Gen 1 module to this header for additional USB 3.2 Gen 1 front or rear panel ports. This header complies with USB 3.2 Gen 1 specifications and provides faster data transfer speeds of up to 5 Gbps, faster charging time for USB-chargeable devices, optimized power efficiency, and backward compatibility with USB 2.0. +5V_USB_P34 S_U3RXDP3 S_U3TXDN3 GND S_U2DP3 S_U2DP4 GND S_U3TXDN4 S_U3RXDP4 +5V_USB_P34 PIN 1 U32G1_34 PIN 19 PIN 18 S_U3RXDN3 GND S_U3TXDP3 S_U2DN3 GND S_U2DN4 S_U3TXDP4 GND S_U3RXDN4 Connector type BOX HD 2x10p, K20, 2.0mm pitch Chapter 2: Motherboard information 2-13
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