Usb Ports; Optical Spdif-In - MSI MS-7072 Manual

Chapter 1

USB Ports

The mainboard provides a UHCI (Universal Host Controller Interface) Univer-
sal 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.
Mic-in/Head-Phone
Mic-in is a connector for stereo microphone. Head-Phone is a connector for
Speakers or Headphones.

OPTICAL SPDIF-in

The OPTICAL connector allows you to receive the audio file of SPDIF inter-
face for recording and playing.
The SPDIF (Sony & Philips Digital Interface) is developed jointly by the Sony
and Philips corporations. A standard audio file transfer format, SPDIF allows the
transfer of digital audio signals from one device to another without having to be
converted first to an analog format.
1-6
USB Port Description
PIN SIGNAL
1 VCC
2 -Data 0
3 +Data 0
4 GND
5 VCC
6 -Data 1
7 +Data 1
8 GND
DESCRIPTION
+5V
Negative Data Channel 0
Positive Data Channel 0
Ground
+5V
Negative Data Channel 1
Positive Data Channel 1
Ground