crystal.bk : cryst-4.fb4 Page 97 Monday, March 23, 1998 4:09 AM

4 Technical Information

System Connectors and Switches

Internal Audio Connectors

The PC Workstation’s system board has several connectors that allow you to internally connect to other devices. This includes:

•A CD audio connector

•An auxiliary (AUX) connector

•An Audio Front Panel connector

•A Front Panel Microphone connector

CD Audio Connector The CD Audio Connector labeled “CD IN,” is a 4-pin connector that is connected to the internal CD drive. This connector allows you to listen to audio from the CD-ROM drive.

The CD Audio Connector has the following pin assignments:

Pin

Signal

I/O

 

 

 

1

Analog Ground

 

 

 

 

2

CD right channel

IN

 

 

 

3

Analog Ground

 

 

 

 

4

CD left channel

IN

 

 

 

Auxiliary (AUX) Connector

The AUX Connector labeled “AUX IN,” is a 4-pin connector that is connected to the internal AUX. This connector allows you to listen to audio from an auxiliary source.

The AUX Connector has the following pin assignments:

Pin

Signal

I/O

 

 

 

1

Analog Ground

 

 

 

 

2

AUX right channel

IN

 

 

 

3

Analog Ground

 

 

 

 

4

AUX left channel

IN

 

 

 

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