IBM N51 Series

Locations
Front View
.1/ Main Cabinet Group
.2/ Tray Unit
.3/ Headphone Jack
.4/ Volume Control
.5/ Half-height Drive
.6/ Status Indicator
.7/ 1-inch-high Drive
.8/ Power Switch
.9/ Eject Switch
.1ð/ Eject Lever
.11/ Security Lock
.12/ Unlatch Hole
.13/ Reserved (Always keep this lever to the rear)
.14/ Left Speaker
.15/ Notebook Connector (male-type, 240-pin)
450 IBM Mobile Systems HMM - Volume 1