HP ProBook 6550b HP ProBook User Guide - Windows XP - Page 26

Bottom components, Contains an HP Mobile Broadband Module select models only - memory locator

Page 26 highlights

Bottom components Component (1) SIM slot (2) Battery release latch (3) Battery bay (4) Accessory battery connector (5) Docking connector (6) Vents (6) (7) Hard drive bay (8) Memory module compartment (9) Bluetooth compartment (10) Upgrade bay (11) Wireless compartment Description Contains a wireless subscriber identity module (SIM) (select models only). The SIM slot is located inside the battery bay. Releases the battery from the battery bay. Holds the battery. Connects an optional accessory battery. Connects an optional docking device. Enable 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. Holds the hard drive. Contains an expansion memory module slot. Contains a Bluetooth device. Supports an optical drive or a hard drive. Contains an HP Mobile Broadband Module (select models only) and a WLAN module (select models only). 16 Chapter 1 Features

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Bottom components
Component
Description
(1)
SIM slot
Contains a wireless subscriber identity module (SIM) (select
models only). The SIM slot is located inside the battery bay.
(2)
Battery release latch
Releases the battery from the battery bay.
(3)
Battery bay
Holds the battery.
(4)
Accessory battery connector
Connects an optional accessory battery.
(5)
Docking connector
Connects an optional docking device.
(6)
Vents (6)
Enable 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.
(7)
Hard drive bay
Holds the hard drive.
(8)
Memory module compartment
Contains an expansion memory module slot.
(9)
Bluetooth compartment
Contains a Bluetooth device.
(10)
Upgrade bay
Supports an optical drive or a hard drive.
(11)
Wireless compartment
Contains an HP Mobile Broadband Module (select models only)
and a WLAN module (select models only).
16
Chapter 1
Features