Lenovo ThinkPad T540p User Manual page 22

Note: If you connect the computer to a docking station, use the VGA connector on the docking station,
not the one on the computer.
For more information, see "Using an external monitor" on page 42.
4 Always-on USB 2.0 connector
By default, the Always-on USB 2.0 connector enables you to charge some mobile digital devices and
smartphones when your computer is in the following situation:
• When your computer is on or in sleep mode
• When your computer is in hibernation mode or is turned off, but connected to ac power
If you want to charge these devices when your computer is in hibernation mode; or when your computer is
turned off and 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 the Enable USB charge from the computer battery even when the
computer is off check box under Always-on USB.
Attention: When you attach a USB cable to this connector, ensure that the USB mark is facing upward.
Otherwise the connector might be damaged.
5
USB 3.0 connector
The USB 3.0 connector is used for connecting USB-compatible devices, such as a USB printer or a digital
camera.
Attention: When you attach a USB cable to this USB connector, ensure that the USB mark is facing upward.
Otherwise the connector might be damaged.
6 ExpressCard slot (on some models)
Your computer might have an ExpressCard slot. For more information, see "Using an ExpressCard, a flash
media card, or a smart card" on page 48.
7 Media card 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 an ExpressCard, a flash media card, or a smart card" on page 48.
8 Combo audio connector
Connect headphones or a headset to listen to the sound from the computer. You also can connect a
headset to record audio or make calls.
Note: The audio connector does not support a conventional microphone. For more information, see "Using
audio features" on page 47.
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User Guide