Acrosser AR-B1841 - Manual (Page 17)

AR-B1841 User’s Guide
AR-B1841 17
3.4 USB Port Connector(USB1~4)
The AR-B1841 provides six USB port, four pin header, two connectors .
• USB1/2 : USB Connector
• USB3/4 : USB Connector(Pin header)
3.5 Fan Connector (FAN1)
The AR-B1841 provides one connectors for CPU cooling fan they can be
controlled by Super I/O Chip.
• FAN1: Fan Connector for CPU
PIN Description
1 VCC
2 USB-
3 USB+
4 GND
PIN DESCRIPTION PIN DESCRIPTION
1 VCC 2 VCC
3 USB3/4_0- 4 USB3/4_1-
5 USB3/4_0+ 6 USB3/4_1+
7 GND 8 GND
9 USB_GND 10 USB_GND
PIN NO. DESCRIPTION
1 GND
2 +12V
3 PWM
Signal