Bottom View - ThinkPad S540 User Manual

If you want to charge these devices when your computer is in hibernation mode or is turned off, and the
computer is not connected to ac power, do the following:
• For Windows 7: Start the Power Manager program and click the Global Power Settings tab. Then
select the Enable USB charge from the computer battery even when the computer is off check
box, and click OK or Apply.
• For Windows 8 and Windows 8.1: Press the Windows key to go to the Start screen. Click Lenovo
Settings ➙ Power. Then select Enable USB charge from the computer battery even when the
computer is off check box under Always On USB.
The Always-on USB connector also can be used as a USB 3.0 connector to connect devices compatible
with a USB interface, such as a USB printer or a digital camera.
Attention: When you attach a USB cable to the connector, ensure that the USB mark is facing upward.
Otherwise the connector might be damaged.
5 Media card reader slot
Your computer has a media card reader slot. Insert your flash media card into this slot to read the data on
the card. For more information about the supported cards, see "Using a flash media card" on page 39.
6 Built-in stereo speaker (left)
For details, see Function keys.

Bottom view

Figure 4. Bottom view
1
Wireless WAN card slot or M.2 solid-state drive slot
2
Emergency-reset hole
3
Memory-upgrade slots
1 Wireless WAN card slot or M.2 solid-state drive slot
For some models, a wireless WAN card might be installed for you to establish wireless WAN connections or
an M.2 solid-state drive might be installed for data storage.
2
Emergency-reset hole
If the computer does not respond, remove the ac power adapter and reset the computer by inserting a
straightened paper clip into the emergency-reset hole to turn off the computer.
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User Guide
4
Integrated battery
5
Hard disk drive, solid-state drive, or hybrid drive
6
Wireless LAN card slot