Syntax SV266AD User Manual page 41

USB3: Front panel USB connectors
The mainboard has four USB ports installed on the rear edge I/O port array.
Additionally, some computer cases have USB ports at the front of the case. If
you have this kind of case, use auxiliary USB connectors USB3 to connect the
front-mounted ports to the mainboard.
Pin Signal Name
1 USBVCC
2 USBVCC
3 USBP4-
4 USBP5-
5 USBP4+
6 USBP5+
7 GND
8 GND
9 Key
10 NC
Note: Please make sure that the USB cable has the same pin assignment as
indicated above. A different pin assignment may cause damage or system
hang-up.
USBCR1: USB Card Reader connector
This connector is for connecting internal USB card reader. You can use a card
reader to read or transfer files and digital images to your computer.
Pin Signal Name
1 USBVCC
2 USB1-
3 USB1+
4 GND
5 Key
Note: The USBCR1 is shared with one of the USB ports of the I/O back panel.
The USB port is located beside the serial port connectors. See
"Connecting I/O Devices" for more information.
Please check the pin assignment of the cable and the USB header on
the mainboard. Make sure the pin assignment will match before
plugging in. Any incorrect usage may cause unexpected damage to the
system.
Function
+5V
+5V
Data signal port 4 -
Data signal port 5 -
Data signal port 4 +
Data signal port 5 +
Ground
Ground
Cut away
No connection
Function
+5V
Data signal port 1-
Data signal port 1+
Ground
No pin
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