Universal Serial Bus - HP Compaq Presario,Presario R4000 Maintenance And Service Manual

Connector Pin Assignments
Pin Signal
1 Audio in, left channel
2 Audio in, right channel
Pin Signal
1 +5 VDC
2 Data –
A–2
Table A-2
Audio-In (Microphone)
Pin
3
Table A-3

Universal Serial Bus

Pin
3
4
Signal
Ground
Signal
Data +
Ground
Maintenance and Service Guide