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1 Unlock position:
If the UltraBase lock is in this position, your computer is not secured.
2 Base lock position:
If the UltraBase lock is in this position, the ThinkPad X220 UltraBase is locked, and the computer cannot be
removed from the ThinkPad X220 UltraBase. The Serial Ultrabay Slim device is also locked and cannot be
removed from the UltraBase.
Note: Keep the security key in a safe place. Do not lose this key; otherwise, you will be unable to detach
the computer from the ThinkPad X220 UltraBase
If you attach a mechanical lock to the security keyhole of the ThinkPad X220 UltraBase, the ThinkPad X220
UltraBase cannot be taken out of the locked position, and you can secure your computer and the ThinkPad
X220 UltraBase.
Note: You need to purchase the mechanical lock commercially. You are responsible for evaluating, selecting,
and implementing the locking devices and security features.
ThinkPad Battery 19+
Your ThinkPad X220, X220i, X220 Tablet, and X220i Tablet support the ThinkPad Battery 19+.
With ThinkPad Battery 19+, you can extend the operating time of your notebook computer.
When the computer is attached to the ThinkPad Battery 19+, never pick up the assembly by taking hold of
the computer alone. Always hold the whole assembly.
Chapter 7. Enhancing your computer 155