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4 Combo audio jack<br />
To listen to the sound from your computer, connect a headphone or a headset, that has a 3.5mm 4-pole<br />
plug, to the combo audio jack.<br />
Notes:<br />
• If you are using a headset with a function switch, for example, a headset for an iPhone mobile digital<br />
device, do not press this switch while using the headset. If you press it, the headset microphone will<br />
be disabled, and the internal microphone will be enabled instead.<br />
• The combo audio jack does not support a conventional microphone. For more information about the audio<br />
devices supported by the combo audio jack of your computer, see “Using audio features” on page 77.<br />
5 Ethernet connector<br />
Connect your computer to a LAN with the Ethernet connector.<br />
DANGER<br />
To avoid the risk of electrical shock, do not connect the telephone cable to the Ethernet connector.<br />
You can only connect an Ethernet cable to this connector.<br />
Two indicators, to the upper right and left of the connector, show the status of the network connection.<br />
When your computer connects to a LAN and a session with the network is available, the upper right indicator<br />
is solid green. While data is being transmitted, the upper left indicator blinks yellow.<br />
For details, refer to the instructions in “Access Connections” on page 34.<br />
Note: If you attach your computer to the ThinkPad Ultrabase Series 3 and use an Ethernet connector, use<br />
the Ethernet connector on the ThinkPad Ultrabase Series 3, not the one on the computer.<br />
6 Always On USB connector<br />
The Universal Serial Bus connectors are used for connecting devices compatible with a USB interface,<br />
such as a printer or a digital camera.<br />
By default, even if your computer is in sleep (standby) mode, the Always On USB connector still enables<br />
you to charge some devices, such as iPod, iPhone, and BlackBerry smartphones, by attaching the devices<br />
to the connector.<br />
However, with the ac power adapter attached, if you want to charge these devices when your computer<br />
is in hibernation mode or powered off, you will need to open the Power Manager program and configure<br />
corresponding settings to enable the Always On USB connector function. For details about how to enable<br />
the Always On USB connector function, refer to the on-line help of the Power Manager program.<br />
Note: Your computer is compatible with USB 1.1 and 2.0.<br />
7 Media card reader slot<br />
Depending on the model, your computer may have a media card reader slot. The media card reader<br />
supports the following cards:<br />
• SD card<br />
• SDHC card<br />
• SDXC card<br />
• MultiMediaCard<br />
Chapter 1. Product Overview 11