Compaq 325 and 326 Notebook PCs HP 425 and 625 Notebook PCs - Maintenance and Service Guide

8 Connector pin assignments
Audio-in (microphone)
Pin Signal
1 Audio signal in
2 Audio signal in
3 Ground
Audio-out (headphone)
Pin Signal
1 Audio out, left channel
2 Audio out, right channel
3 Ground
132 Chapter 8 Connector pin assignments