ECS A740GM-M User Manual
21
Installing the Motherboard
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional
devices:
devices:
F_USB1~3: Front Panel USB headers
The motherboard 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 connector to connect the front-mounted
ports to the motherboard.
Additionally, some computer cases have USB ports at the front of the case. If you
have this kind of case, use auxiliary USB connector to connect the front-mounted
ports to the motherboard.
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.
indicated above. A different pin assignment may cause damage or
system hang-up.
1
USBPWR
Front Panel USB Power
2
USBPWR
Front Panel USB Power
3
USB_FP_P0-
USB Port 0 Negative Signal
4
USB_FP_P1-
USB Port 1 Negative Signal
5
USB_FP_P0+
USB Port 0 Positive Signal
6
USB_FP_P1+
USB Port 1 Positive Signal
7
GND
Ground
8
GND
Ground
9
Key
No pin
10
USB_FP_OC0
Overcurrent signal
Function
Pin
Signal Name