HP EliteBook 8740w Mobile Workstation - Manual (Page 20)

Rear components
The 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.
Right-side components
Component Description
(1) eSATA port Connects high-performance eSATA components, such as an
eSATA external hard drive.
(2) 3.0 SuperSpeed USB ports (2) Connect optional USB devices and transfer data at a higher speed
than a 2.0 USB device.
(3) USB port Connects an optional USB device.
(4) Upgrade bay Supports an optical drive or a hard drive.
(5) RJ-45 (network) jack Connects a network cable.
(6) RJ-11 (modem) jack Connects a modem cable (select models only).
Left-side components
Component Description
(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.
8 Chapter 1 Features