Compaq NC6400 manual Table D-2 Audio-In Microphone, Table D-3 Universal Serial Bus

Connector Pin Assignments

Table D-2

Audio-In (Microphone)

Pin	Signal	Pin	Signal
1	Audio signal in	3	Ground
2	Audio signal in

Table D-3

Universal Serial Bus

Pin	Signal	Pin	Signal
1	+5 VDC	3	Data +
2	Data –	4	Ground

E–2 Maintenance and Service Guide