Left side
Item Component Description
(7) Smart card reader Supports optional smart cards. (8)
ExpressCard slot Supports optional ExpressCards.
(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) USB 2.0 port Connects an optional USB device.
(3) 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.
(4) Thunderbolt port 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. 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.
(5) Dual-Mode DisplayPort Connects an optional digital display device, such as a
high-performance monitor or projector.
(6) USB 3.0 charging port Connects optional USB 3.0 devices and provide
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 reader Supports optional smart cards.
(8) ExpressCard slot Supports optional ExpressCards.
16 Chapter 2 External component identification