IBM THINKPAD X4 - Manual (Page 12)

Front view
1 The power switch turns the computer on and off.
2 By pressing the eject request button , you can request the operating system
to undock the computer from the X4 Dock. The Docked indicator is green
when the computer is attached to the X4 Dock. This indicator turns off when
the eject request is issued and the computer can be detached safely from the
X4 Dock.
3 The eject button releases the computer from the X4 Dock. The Eject Ready
indicator is green when the computer is ready to be detached safely from the
X4 Dock. This indicator turns off when the computer is detached from the X4
Dock.
Note: To lock the eject button of the X4 Dock, use the security lock key.
4 The docking connector is where you attach your ThinkPad computer.
5 The bay latch releases the handle so you can replace the Ultrabay Slim
device.
6 The Ultrabay Slim device is used for installing various devices such as a
DVD drive, a CD-RW/DVD combo drive, or a second hard disk drive.
7 Make sure that the adjuster is secured in the proper position when
attaching your ThinkPad computer to the X4 Dock. The position of the adjuster
depends on the computer model and the type of battery installed. Refer to the
label attached to the X4 Dock for details.
8 The built-in stereo speakers generate stereo sound.
1-2 ThinkPad ® X4 Dock User’s Guide