Instruction manual

2-11
Hardware Setup
Audio Port Connectors
These 3 audio jacks are for 2-channel mode for stereo speaker output: Line
Out is a connector for Speakers or Headphones. Line In is used for external CD
player, Tape player, or other audio devices. Mic is a connector for microphones.
MSI Reminds You...
For the advanced functions of the audio codec, please refer to Chapter
4: Introduction to Realtek ALC655 for details.
USB Connectors
The mainboard provides an OHCI (Open 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.
USB Ports
1 2 3 4
5 6 7 8
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
Line Out
Line In
MIC