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Bottom components
Item Component Function
(1) Hard drive bay Holds the hard drive.
(2) Accessory battery connector Connects an optional accessory battery.
(3) Battery release latches (2) Release the battery from the battery bay.
(4) Battery bay Holds the battery.
(5) SIM slot (select models only) Contains a SIM. The SIM slot is located inside the battery
bay.
(6) Docking connector Connects an optional docking device.
(7) 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.
(8) Memory module compartment Contains 2 memory module slots.
16 Chapter 2 External component identification