ECS L7VMM2 Manual page 27

USB3: Front Panel USB connector
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 USB3 to connect the
front-mounted ports to the motherboard.
Pin Signal Name
1 VREG_FP_USBPWR0
2 VREG_FP_USBPWR0
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
Note: Please make sure that the USB cable has the same pin assignment as indi-
cated above. A different pin assignment may cause damage or system
hang-up.
IR1: Serial infrared port
The motherboard supports an Infrared (IR1) data port. Infrared ports allow the
wireless exchange of information between your computer and similarly
equipped devices such as printers, laptops, Personal Digital Assistants
(PDAs), and other computers.
Pin Signal Name
1 Not assigned
2 KEY
3 +5V
4 GND
5 IRTX
6 IRRX
J1: System Management Interrupt
This connector is for use with SMI hardware interrupt power management.
Pin Signal Name
1 -EXTSMI
2 GND
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
Not assigned
No pin
IR Power
Ground
IrDA serial output
IrDA serial input
(optional)
Function
Sleep button
Ground
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