HP ZBook 17 Mobile Workstation - Manual (Page 23)

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Component Description
(1) Battery release latch Releases the battery.
(2) Battery bay Holds the battery.
(3) SIM slot Supports a wireless subscriber identity module (SIM).
The SIM slot is located inside the battery bay.
(4) Docking connector Connects an optional docking device.
(5) Accessory battery connector Connects an optional accessory battery.
(6) Service door release lock Locks service door.
(7) Service door release latch Releases the service door on the computer.
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