HP Compaq nx9420, nw9440 Notebook PC - Getting Started - Enhanced for Accessibility

First-time setup
Bottom components
Component
1 Hard drive bay 5 Primary battery bay
2 Expansion memory module 6 Docking connector
and Mini Card compartment
3 Accessory battery connector 7 Vents*
4 Primary battery pack release
latches (2)
*Depending on computer model, vents vary in number and location.
1–8 Getting Started