Use your computer with battery power whenever ac power is unavailable.
By installing a second battery, available as an option, in the Ultrabay Slim, you can extend the operating time of the computer. You can also use Power Manager to adjust your power setting as needed.
2
Docking connector
With a ThinkPad Advanced Dock, a ThinkPad Advanced Mini Dock, or a ThinkPad Essential Port Replicator, you can extend the computer capabilities when you are in your office or home.
3
Infrared port
The infrared port enables the computer to communicate with other devices that have infrared data-transfer capability, such as some personal digital assistants (PDAs) and mobile computers.
4
Wireless Radio Switch
You can use this switch to disable the wireless radio of all the wireless devices on your ThinkPad computer.
5
Built-in stereo speakers
The stereo speakers are built into the ThinkPad computer.
6
Labels for identification
The serial number label identifies your computer. If you contact Lenovo for help, the serial number will enable support technicians to identify your computer and provide the highest level of service.
The Microsoft Certificate of Authenticity (COA) label for the preinstalled operating system is attached. Printed on this label are the product ID and the product key information for your computer. Record this information and keep it in a safe place. You might need these numbers, to start your computer or reinstall the operating system.
