Installation and user's guide
The IBM ThinkPad 72W AC/DC Combo Adapter powers your IBM ThinkPad
computer using a standard automobile power receptacle, a 4-pin in-flight
power receptacle, or a standard electrical socket. It also charges your ThinkPad
This package includes:
v One IBM ThinkPad 72W AC/DC Combo Adapter
v One automobile power receptacle adapter
v One 4-pin in-flight power cable
v One standard AC electrical cord
v the Quick Reference Card
v Safety Information
v this User Guide on CD
The adapter has a cable extending from one end of the adapter box that
connects to your IBM ThinkPad computer. The other end of the adapter box
has two connectors for the different electrical source cables.
Note: The adapter is not supported for use with the IBM ThinkPad 365.
Using the adapter
The power adapter can be connected to an automobile power receptacle, a
4-pin in-flight power receptacle, or a standard electrical socket. During
operation, if the power adapter detects a fault, such as a short circuit or high
temperature, the power adapter will shut down automatically to prevent
1. When the adapter shuts down due to a fault it will be latched off until the
fault is removed AND the adapter is disconnected from the power source
for at least 10 seconds.
2. The adapter needs adequate ventilation for proper operation. It is normal
for the adapter to be warm to touch during use.
Connecting the adapter to an automobile power receptacle
To use the power adapter with an automobile power receptacle, follow these
© Copyright IBM Corp. 2003