HP Compaq nx8420, HP Compaq nc8430, HP Compaq nw8440 Notebook PC - Getting Started - Enhanced for Accessibility

Notebook tour
Right-side components
Component
1 Audio-out (headphone) jack 4 USB ports (2)
2 Internal microphone 5 Optical drive
3 Audio-in (microphone) jack 6 Serial port (select models only)
A–6 Getting Started