ECS 661FX-M Deluxe, Manual, Page: 20 / 42

15
Installing the Motherboard
USB3/USB4: Front Panel USB header
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.
Please make sure that the USB cable has the same pin assign-
ment as indicatged above. A different pin assignment may
cause damage or system hang-up.
Pin Signal Name Function
1
USBPWR0 Front Panel USB Power
2
USBPWR0 Front Panel USB Power
3
USB_FP_P0- USB Port 0 Negative Signal
4
USB_FP_P1- USB Port 1 Negative Signal
5
US USB Port 0 Positive Signal
6
US USB Port 1 Positive Signal
7
GND Ground
8
GND Ground
9
Key No pin
10
USB_FP_OC0 Over-current signal
Pin Signal Name Pin Signal Name
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
-
-
Connecting I/O Devices
The backplane of the motherboard has the following I/O ports:
PS2 Mouse
Use the upper PS/2 port to connect a PS/2 pointing
device.
PS2 Keyboard
Use the lower PS/2 port to connect a PS/2 key
board.
Parallel Port (LPT1) Use LPT1 to connect printers or other parallel
communications devices.
Serial Port (COM1) Use the COM port to connect serial devices such as
mice or fax/modems. COM1 is identified by the sys
tem as COM1/3.
VGA Port Connect your monitor to the VGA port.
LAN Port
(optional)
Connect an RJ-45 jack to the LAN port to connect
your computer to the Network.
USB Ports
Use the USB ports to connect USB devices.
Audio Ports Use the three audio ports to connect audio devices.
The first jack is for stereo line-in signal. The sec
ond jack is for stereo line-out signal. The third jack
is for microphone.