IBM THINKPAD 72 W DC manual Using the power adapter

Using the power adapter

You can connect the power adapter to an automobile cigarette-lighter socket or to a 4-pin power receptacle in an EMPOWER in-flight power system.

Connecting the power adapter to a cigarette-lighter socket

To use the power adapter with a cigarette-lighter socket, use the following steps.

Step 1

Insert the smaller, yellow-tipped connector into the power connector of your ThinkPad computer.

1-2ThinkPad 72 W DC Power Adapter: User's Guide