Lenovo 30BH User Manual page 16

5 USB 3.0 connector
Use this connector to attach a USB-compatible device, such as a USB keyboard, mouse, storage drive, or
printer.
6 USB 2.0 connector
Use this connector to attach a USB-compatible device, such as a USB keyboard, mouse, storage drive, or
printer.
7 Microphone connector
Use this connector to attach a microphone to your computer when you want to record sound or if you use
speech-recognition software.
8 PCIe card area (different cards provide different connectors)
To improve the operating performance of your computer, you can connect PCIe cards into this area.
Depending on your computer model, the cards installed in this area might vary.
9 Audio line-in connector
Used to receive audio signals from an external audio device, such as a stereo system. When you attach an
external audio device, a cable is connected between the audio line-out connector of the device and the audio
line-in connector of the computer.
11 Cable-lock slots (2)
Used to secure a cable lock. For more information, see "Attaching a cable lock" on page 30.
12 Padlock loop
Connect a padlock to secure your computer. For more information, see "Attaching a padlock" on page 29.
13 Audio line-out connector
The audio line-out connector is used to send audio signals from the computer to external devices, such as
headphones.
14 Ethernet connector
Connect an Ethernet cable for a local area network (LAN).
Note: To operate the computer within Federal Communications Commission (FCC) Class B limits, use a
Category 5 Ethernet cable.
15 PS/2 keyboard connector (available on some models)
Use this connector to attach a Personal System/2 (PS/2) keyboard.
16 Security-lock slot
Attach a Kensington-style cable lock to the security-lock slot to secure your computer. For more information,
see "Attaching a Kensington-style cable lock" on page 29.
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P320 User Guide