MS-7091 M-ATX Mainboard
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.
1
2
3
4
5
6
7
8
USB Ports
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.
Optical SPDIF-In
Back Surround
Line-Out
2-12
PIN
SIGNAL
1
VCC
2
-Data 0
3
+Data0
4
GND
5
VCC
6
-Data 1
7
+Data 1
8
GND
MIC-in
Line-In
USB Port Description
DESCRIPTION
+5V
Negative Data Channel 0
Positive Data Channel 0
Ground
+5V
Negative Data Channel 1
Positive Data Channel 1
Ground
Coaxial-SPDIF Out
Coaxial-SPDIF In
Optical SPDIF-Out
Center Surround
Line-Out
Side Surround
Line-Out
Line-Out