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Component Description
(1) Security cable slot Attaches an optional security cable to the computer.
NOTE: The security cable is designed to act as a deterrent, but it
may not prevent the computer from being mishandled or stolen.
(2) Vent Enables airflow to cool internal components.
NOTE: The computer fan starts up automatically to cool internal
components and prevent overheating. It is normal for the internal
fan to cycle on and off during routine operation.
(3) USB 2.0 port Connects an optional USB device.
(4) DisplayPort Connects an optional digital display device, such as a high-
performance monitor or projector.
(5) Thunderbolt port
NOTE: Windows models only.
Connects an optional high-resolution display device or a high-
performance data device.
NOTE: Thunderbolt is new technology. Install all the latest drivers
for your Thunderbolt device before connecting the device to the
Thunderbolt port. Thunderbolt cable and Thunderbolt device (sold
separately) must be compatible with Windows. To determine
whether your device is Thunderbolt Certified for Windows, see
https://thunderbolttechnology.net/products.
(6) USB 3.0 charging port Connects optional USB 3.0 devices and provides enhanced USB
power performance. The USB charging port can also charge select
models of cell phones and MP3 players, even when the computer is
off.
(7) Smart card Support optional smart cards.
(8) ExpressCard slot or smart card reader
(depending on the configuration)
Supports optional ExpressCards or smart cards.
14 Chapter 2 External component identification
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