1-6
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.
PIN SIGNAL DESCRIPTION
1 VCC +5V
2 -Data 0 Negative Data Channel 0
3 +Data 0 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
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.
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