Syntax S740MP Manual page 25

USB2: Front panel USB ports
The mainboard has two 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 connector USB2 to connect the
front-mounted ports to the mainboard.
Pin Signal Name
1 VREG_FP_USBPWR0
2 VREG_FP_USBPWR0
3 USB_FP_P0-
4 USB_FP_P1-
5 USB_FP_P0+
6 USB_FP_P1+
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 USBVCC2
2 USB2-
3 USB2+
4 GND
5 Key
Note: The USBCR1 is shared with one of the USB ports of the I/O back panel.
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.
SMI1: System Management Interrupt
This connector is for use with SMI hardware interrupt power management.
Pin Signal Name
1 -EXTSMI
2 GND
Function
Front Panel USB Power
Front Panel USB Power
USB Port 0 Negative Signal
USB Port 1 Negative Signal
USB Port 0 Positive Signal
USB Port 1 Positive Signal
Ground
Ground
No pin
Not connected
Function
+5V dual
Data signal port 2-
Data signal port 2+
Ground
No pin
Function
Sleep button
Ground
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