• Headphone connector
Used to connect headphones to your computer.
• Optional connector
Optional connector, depending on your computer model.
• Padlock loop
For information, see "Locking the computer cover" on page 29.
• power adapter connector
Used to connect the power adapter to your computer for power supply.
• Security-lock slot
For information, see "Attaching a Kensington-style cable lock" on page 31.
• USB 3.0 connector
Used to connect a device that requires a USB 2.0 or USB 3.0 connection, such as a keyboard, a mouse, a
scanner, a printer, or a PDA.
• Wi-Fi antenna slot
Used to install the rear Wi-Fi antenna cable connector that is available only on some models. The rear
Wi-Fi antenna is installed on the rear Wi-Fi antenna cable connector.
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ThinkCentre M700, M900 and M900x User Guide