Elitegroup 945GCT-M3 用户手册
Installing the Motherboard
19
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.
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.
COM2: Onboard serial port connector (optional)
Connect a serial port extension bracket to this header to add a second serial port to
your system.
your system.
1
DCDB
Data Carrier Detect
2
SINB
Serial Input
3
SOUTB
UART B Serial Output
4
DTRB
UART B Data Terminal Ready
5
GND
Ground
6
DSRB
Data Set Ready
7
RTSB
RART B Request to Send
8
CTSB
Clear to Send
9
RI
Ring Indicator
10
Key
No pin
Pin
Signal Name Function
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
Pin
Signal Name Function