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Left-side view
Figure 3. ThinkPad T430s and T430si left-side view
1 Fan louvers
2 USB 3.0 connector
3 Combo audio jack 4 Media card reader slot or ExpressCard slot
5 Smart card slot (on some models)
1 Fan louvers
The internal fan and louvers enable air to circulate in the computer and cool the central processor.
Note: To avoid impeding airow, do not place any obstacle in front of the fan.
2 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, make sure that the USB mark is facing upward.
Otherwise the connector might be damaged.
3 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 40.
4 Media card reader slot or ExpressCard slot
Depending on the model, your computer might have a media card reader slot or ExpressCard slot.
4 User Guide