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1 Security keyhole 2 Always On USB connector
3 Optical drive 4 Combo audio jack
5 Media card reader slot
1 Security keyhole
Purchase a security cable and lock that t this keyhole to lock your computer to a stationary object to
protect your computer from theft.
2 Always On USB connector
By default, the Always On USB connector enables you to charge some mobile digital devices and
smartphones when your computer is in sleep or hibernation mode.
If you want to charge these devices when your computer is turned off, do the following:
1. Connect the computer to an ac power supply.
2. Go to ThinkPad Setup and enable Always On USB Charge in off mode. For more information, see
“Cong menu” on page 112
.
3. Do one of the following:
• For Windows 7: Start the Power Manager program and click the Global Power Settings tab. Then
select the Enable Always On USB check box.
• For Windows 8: Press the Windows key to go to the Start screen. Click Lenovo Settings ➙ Power.
Then select the Enable when the computer is off check box.
3 Optical drive
Your computer has a slot for an optical drive. The optical drive reads or burns optical discs.
4 Combo audio jack
To listen to the sound from your computer, connect a headphone or a headset that has a 3.5 mm 4-pole
plug to the combo audio jack.
Notes:
• If you are using a headset with a function switch, for example, a headset for an iPhone mobile digital
device, do not press this switch while using the headset. If you press it, the headset microphone will be
disabled, and the integrated microphones on the computer will be enabled instead.
• The combo audio jack does not support a conventional microphone. For more information, see “Using
audio features” on page 42
.
5 Media card reader slot
Your computer has a media card reader slot. For more information about the supported cards, see “Using an
ExpressCard or a ash media card” on page 43.
4 User Guide