Secure Digital High-Capacity (SDHC) card

Secure Digital eXtended-Capacity (SDXC) card

MultiMediaCard (MMC)

For details, refer to “Using a flash media card” on page 38.

Note: Your computer does not support the Content Protection for Recordable Media (CPRM) feature for SD cards.

2

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 microphones on the computer will be enabled instead.

The combo audio jack does not support a conventional microphone.

3

Mini DisplayPort connector

Use the Mini DisplayPort connector to connect your computer to a compatible projector, external monitor, or high-definition television.

Your computer might come with a Mini DisplayPort to VGA adapter. Use the adapter to connect your computer to a compatible digital audio device or video monitor such as a high-definition television.

4

USB 3.0 connector

The Universal Serial Bus (USB) 3.0 connector is used for connecting devices compatible with a USB interface, such as a USB printer or a digital camera.

Note: When you attach a USB cable to the connector, ensure that the USB mark is facing upward. Otherwise the connector might be damaged.

5

Security keyhole

Purchase a security cable lock that fits this keyhole to lock your computer to a stationary object to protect your computer from theft.

4User Guide

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Lenovo X1, I53427U4GB, I53427U180SSD manual Combo audio jack, Mini DisplayPort connector, USB 3.0 connector, Security keyhole

I53427U180SSD, I53427U4GB, X1, 3444GXU, 3444GZU specifications

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