Gigabyte GA-8I945GMBX Manual - Page 25

F_ USB / GREEN_USB Front USB Connector, SPDIF_IO SPDIF In/Out Connector

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English 13) SPDIF_IO (SPDIF In/Out Connector) The SPDIF output is capable of providing digital audio to external speakers or compressed AC3 data to an external Dolby Digital Decoder. Use this feature only when your stereo system has digital input and output function. Use SPDIF in feature only when your device has digital output function. Be careful with the polarity of the SPDIF_IO connector. Check the pin assignment carefully while you connect the SPDIF cable, incorrect connection between the cable and connector will make the device unable to work or even damage it. For optional SPDIF cable, please contact your local dealer. 5 1 6 2 Pin No. 1 2 3 4 5 6 Definition Power No Pin SPDIF SPDIFI GND GND 14) F_ USB / GREEN_USB (Front USB Connector) Be careful with the polarity of the front USB connector. Check the pin assignments carefully while you connect the front USB cable, incorrect connection between the cable and connector will make the device unable to work or even damage it. For optional front USB cable, please contact your local dealer. The GREEN_USB connector provides no standby power when system is off and it does not support USB device to wake up from S3 mode. Users who wish to shut down the standby power (note) for their USB devices during system power-off can connect the devices to this connector via the optional front USB cable. 2 10 1 9 GREEN_USB 2 10 1 9 F_USB Pin No. 1 2 3 4 5 6 7 8 9 10 Definition Power Power USB DXUSB DyUSB DX+ USB Dy+ GND GND No Pin NC (Note) When the standby power is shut down, USB devices (example: optical mouses) will not light on during system power-off. - 25 - Hardware Installation

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Hardware Installation
- 25 -
English
14)
F_ USB / GREEN_USB (Front USB Connector)
Be careful with the polarity of the front USB connector. Check the pin assignments carefully while you
connect the front USB cable, incorrect connection between the cable and connector will make the
device unable to work or even damage it. For optional front USB cable, please contact your local dealer.
The GREEN_USB connector provides no standby power when system is off and it does not support
USB device to wake up from S3 mode. Users who wish to shut down the standby power
(note)
for their
USB devices during system power-off can connect the devices to this connector via the optional front
USB cable.
Pin No.
Definition
1
Power
2
Power
3
USB DX-
4
USB Dy-
5
USB DX+
6
USB Dy+
7
GND
8
GND
9
No Pin
10
NC
1
2
9
10
13)
SPDIF_IO (SPDIF In/Out Connector)
The SPDIF output is capable of providing digital audio to external speakers or compressed AC3 data to
an external Dolby Digital Decoder. Use this feature only when your stereo system has digital input and
output function. Use SPDIF in
feature only when your device has digital output function. Be careful with
the polarity of the SPDIF_IO connector. Check the pin assignment carefully while you connect the
SPDIF cable, incorrect connection between the cable and connector will make the device unable to
work or even damage it. For optional SPDIF cable, please contact your local dealer.
Pin No.
Definition
1
Power
2
No Pin
3
SPDIF
4
SPDIFI
5
GND
6
GND
(Note)
When the standby power is shut down, USB devices (example: optical mouses) will not light on
during system power-off.
1
2
9
10
GREEN_USB
F_USB
1
5
2
6