ThinkPad S540, User Manual

Page: 21 / 162

Left-side view
Figure 3. Left-side view
1
Security-lock slot
4
Always-on USB connector (USB 3.0 connector)
2
ac power connector
5
Media card reader slot
3
Lenovo OneLink connector
6
Built-in stereo speaker (left)
1
Security-lock slot
To protect your computer from theft, purchase a security cable lock, usually a Kensington-style cable lock,
that fits this security-lock slot to lock your computer to a stationary object.
2 ac power connector
3 Lenovo OneLink connector
When the ac power adapter is connected to the ac power connector, it provides ac power to the computer
and charges the battery. When a supported ThinkPad OneLink Dock is connected to the Lenovo OneLink
connector, it can not only extend the computer capabilities but also provide ac power to the computer
and charge the battery.
To use the Lenovo OneLink connector, you need to remove the connector cover from the Lenovo OneLink
connector first.
Note: Ensure that you keep the connector cover. Reattach it to the Lenovo OneLink connector when
you are not using the Lenovo OneLink connector.
4 Always-on USB connector (USB 3.0 connector)
By default, the Always-on USB connector enables you to charge some mobile digital devices and
smartphones when your computer is in the following situations:
• When your computer is on or in sleep mode
• When your computer is in hibernation mode or is turned off, but connected to as power
Chapter 1
.
Product overview
5