ECS AMD690GM-M2

23
Installing the Motherboard
USB3~5: 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.
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
COM1: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to
your system.
CD_IN1: Analog audio input connector
Pin Signal Name Function
1 CD in_R CD In right channel
2 GND Ground
3 GND Ground
4 CD in_L CD In left channel
10 Key No pin
1 NDCDB Data carry detect
3 NSOUTB Serial Date Out
4 NDTRB Data terminal ready
5 GND Ground
6 NDSRB Date set ready
7 NRTSB Request to send
8 NCTSB Clear to send
9 NRIB Ring Indicator
Pin Signal Name Function
2 NSINB Serial Data In