F_Usb1~3: Front Panel Usb Headers - ECS A790GXM-A Manual

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F_USB1~3: Front Panel USB headers

The motherboard has six USB ports installed on the rear edge I/O port array. Addi-
tionally, 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
F_AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-
out ports for easier access.
Pin Signal Name
Pin Signal Name
1
PORT 1L
3
PORT 1R
5
PORT 2R
7
SENSE_SEND
9
PORT 2L
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
Pin Signal Name
Function
2
AUD_GND
4
PRESENCE#
6
SENSE1_RETURN
8
KEY
10
SENSE2_RETURN
Installing the Motherboard