Asus AT3GC-I - Manual (Page 19)

4. USB connectors (10-1 pin USB56, USB78)
These connectors are for USB 2.0 ports. Connect the USB module cable to any of
these connectors, then install the module to a slot opening at the back of the system
chassis. These USB connectors comply with the USB 2.0 specification that supports up
to 480Mbps connection speed.
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.
AT3GC-
I
AT3GC-I USB2.0 connectors
PIN 1
USB+5
V
USB_P8
-
USB_P8
+
GND NC
USB+5
V
USB_P7
-
USB_P7
+
GND
USB78
PIN 1
USB+5
V
USB_P6
-
USB_P6
+
GND NC
USB+5
V
USB_P5
-
USB_P5
+
GND
USB56
5. Chassis fan connectors (3-pin CHA_FAN)
This fan connector supports cooling fans of 350mA~740mA (8.88W max.) at +12V.
Connect the fan cable to the fan connector on the motherboard, ensuring that the black
wire of the cable matches the ground pin of the connector.
DO NOT forget to connect the fan cable to the fan connector. Insufficient air flow inside
the system may damage the motherboard components. It is not a jumper! DO NOT place
jumper cap on the fan connector.
AT3GC-
I
AT3GC-I fan connectors
CHA_FAN
GND
+12V
Rotation
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