User's Manual

2-13
Chapter 2: Motherboard information
2.6.2 Internal connectors
CAUTION! Do not forget to connect the fan cable to the fan header. Insufcient
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!
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
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 specications and provides faster data transfer speeds of up to 5 Gbps,
faster charging time for USB-chargeable devices, optimized power efciency,
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 PIN 19
PIN 18
S_U3RXDN3
GND
S_U3TXDP3
S_U2DN3
GND
S_U2DN4
S_U3TXDP4
GND
S_U3RXDN4
U32G1_34
Connector type
BOX HD 2x10p, K20, 2.0mm pitch