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Component Description
(5) HDMI port Connects an optional HDMI device.
(6) Combo eSATA/USB port Connects an optional USB device or high-performance eSATA
components such as an eSATA external hard drive.
(7) USB port Connects optional USB device.
(8) ExpressCard slot Supports optional ExpressCards.
Bottom components
Component Description
(1) Battery release latches (2) Release the battery from the battery bay.
(2) Battery bay Holds the battery.
(3) SIM slot (select models only) Contains a wireless subscriber identity module (SIM). The SIM slot
is located inside the battery bay.
16 Chapter 2 External component identification