ECS G41T-R3 Manual page 22

18
F_USB1~2: 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.
Pin Signal Name
1
USBPWR
2
USBPWR
3
USB_FP_P0-
4
USB_FP_P1-
5
USB_FP_P0+
6
USB_FP_P1+
7
GND
8
GND
9
Key
10
USB_FP_OC0
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.
SPDIFO: SPDIF out header
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface)
output to digital multimedia device through optical fiber or coaxial connector.
Pin Signal Name
1
SPDIF
2
+5VA
3
Key
4
GND
COM: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
Pin Signal Name
1
DCDB
2
SINB
3
SOUTB
4
DTRB
5
GND
6
DSRB
7
RTSB
8
CTSB
9
RI
10
Key
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
Overcurrent signal
Function
SPDIF digital output
5V analog Power
No pin
Ground
Function
Data Carrier Detect
Serial Input
UART B Serial Output
UART B Data Terminal Ready
Ground
Data Set Ready
RART B Request to Send
Clear to Send
Ring Indicator
No pin
Installing the Motherboard