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MS-7091 M-ATX Mainboard
Audio Port Connectors
This mainboard supports 6-channel audio operation. To have correct audio
operation, please connect the speakers to the proper connectors as illustrated below.
The SPDIF connectors provided on the back panel also can be used to connect your
digital audio equipment.
USB Connectors
The mainboard provides a UHCI (Universal Host Controller Interface) Universal
Serial Bus root for attaching USB devices such as keyboard, mouse or other USB-
compatible devices. You can plug the USB device directly into the connector.
PIN
SIGNAL
DESCRIPTION
1
VCC
+5V
2
-Data 0
Negative Data Channel 0
3
+Data0
Positive Data Channel 0
4
GND
Ground
5
VCC
+5V
6
-Data 1
Negative Data Channel 1
7
+Data 1
Positive Data Channel 1
8
GND
Ground
USB Port Description
USB Ports
1 2 3 4
5 6 7 8
MIC-in
Line-In
Back Surround
Line-Out
Center Surround
Line-Out
Side Surround
Line-Out
Line-Out
Optical SPDIF-In
Coaxial-SPDIF Out
Coaxial-SPDIF In
Optical SPDIF-Out