User`s manual

Chapter 2
16
Line-In
2-Channel 6-Channel
Line-Out
Microphone
Rear (L/R)
Front (L/R)
Center/Sub
Serial Ports: COM1
The mainboard offers two 9-pin male Serial Port connectors COM1. You can
attach a serial mouse or other serial devices directly to these ports.
Pin Signal Description
1 DCD Data Carry Detect
2 SIN Serial In or Receive Data
3 SOUT Serial Out or Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request To Send
8 CTS Clear To Send
9 RI Ring Indicate
Audio Jacks: Line-In, Line-Out, Microphone
Jack 2-Channel 6-Channel
Line-In Line in Rear (Left / Right)
Line-Out Line out Front (Left / Right)
Mic Microphone Center / Subwoofer
The Line-Out jack is for connecting to
external speakers or headphones.
The Line-In jack is for connecting to an
external audio device such as a CD player,
tape player, etc....
The Mic jack is for connecting to a microphone.
When 6-channel applications are used, all three jacks become output
connectors with Smart 5.1 (See Appendix A) In order for the 6-channel audio
to function, the operating system and multimedia application must be
properly configured. Please note that Windows 98 only supports 4-channel
audio.
15
6
9-Pin Serial Port
9