Gigabyte GA-8I945GMBX User Manual page 25

Intel pentium d / pentium 4 lga775 processor motherboard
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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.
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
USB devices during system power-off can connect the devices to this connector via the optional front
USB cable.
(Note)
When the standby power is shut down, USB devices (example: optical mouses) will not light on
during system power-off.
Pin No.
1
5
1
6
2
2
3
4
5
6
Pin No.
2
10
1
1
9
2
GREEN_USB
3
4
2
10
5
1
9
6
F_USB
7
8
9
10
- 25 -
Definition
Power
No Pin
SPDIF
SPDIFI
GND
GND
for their
(note)
Definition
Power
Power
USB DX-
USB Dy-
USB DX+
USB Dy+
GND
GND
No Pin
NC
Hardware Installation

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