6
The speaker connector is used to connect the
speaker of the chassis.
8. Speaker Connector: SPEAKER
SPK
NC
SPKJ
Empty
1
SPEAKER
The S/PDIF output connector is capable of provid-
ing digital audio to external speakers, or com-
pressed AC3 data to an external Dolby digital
decoder.
10. S/PDIF Out Connector(optional): SPDIF_OUT
Besides four USB ports on the rear panel, the
series of motherboard also have two 10-pin head-
ers on board which may connect to front panel
USB cable to provide four additional USB ports.
9. USB Headers: F_USB1, F_USB2
SPDIF_OUT
5V
SPDIF_OUT
GND
Empty
1
F_USB1/F_USB2
D0+
D0-
Empty
GND
VCC
VCC
GND
D1-
D1+
1 2
NC
9 10
