Installation And User's Guide; Product Description; Using The Adapter; Connecting The Adapter To An Automobile Power Receptacle - Lenovo 90W AC/DC Combo Adapter User Manual

Installation and user's guide

The ThinkPad 90W AC/DC Combo Adapter powers your ThinkPad computer
using a standard automobile power receptacle, a 4-pin in-flight power receptacle,
or a standard electrical outlet. It also charges your ThinkPad computer battery.

Product description

This package includes:
v One ThinkPad 90W 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's Guide on CD
The adapter has a cable extending from one end of the adapter box that connects
to your ThinkPad computer. The other end of the adapter box has two connectors
for the different electrical source cables.

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 damage.
Notes:
1. When the adapter shuts down due to a fault it will be latched off until the fault
2. The adapter needs adequate ventilation for proper operation. It is normal for

Connecting the adapter to an automobile power receptacle

To use the power adapter with an automobile power receptacle, follow these steps:
1. Plug the smaller end of the DC power cord (see 1 in the illustration below).
2. Insert the large end of the cord into the automobile power receptacle (see 2 in
3. Insert the smaller, yellow-tipped connector into the power connector of your
© Lenovo 2005. Portions © IBM Corp. 2005.
is removed AND the adapter is disconnected from the power source for at least
10 seconds.
the adapter to be warm to touch during use.
The cord is fully inserted when a click is heard.
the illustration below.) The cord is fully inserted when a click is heard.
ThinkPad computer (see 3 in the illustration below). Make sure the ThinkPad
computer is charging by checking the power icon on the system tray on the
ThinkPad display. The icon displays as a plug if the computer is charging or as
a battery if it is not.
1