HP ProBook 640 G1 Maintenance And Service Manual page 25

Component
(4) Memory card reader
(5) USB 3.0 port
(6) Upgrade bay (optical drive shown)
(7) Optical drive eject button (select models only)
(8) ExpressCard slot or smart card reader
(depending on the configuration)
Component
(1) Power connector
(2) RJ-45 (network) jack/lights (2)
(3) USB 3.0 charging port
(4) Memory card reader
(5) USB 3.0 ports (2)
(6) Upgrade bay (optical drive shown)
(7) Optical drive eject button (select models only)
(8) ExpressCard slot or smart card reader
(depending on the configuration)
Description
select models of cell phones and MP3players, even when the
computer is off
Reads data from and writes data to memory cards such as
Secure Digital (SD).
Connects optional USB 3.0 devices and provide enhanced USB
power performance.
The upgrade bay can hold either a hard drive or an optical drive
that reads and writes (select models only) to an optical disc. It
can also hold a weight saver option.
Releases the optical drive disc tray.
Supports optional ExpressCards or smart cards.
Description
Connects an AC adapter.
Connects a network cable.
● Amber (left): The network is showing activity.
● Green (right): The network is connected.
Connects optional USB 3.0 devices and provides enhanced USB
power performance. The USB charging port can also charge
select models of cell phones and MP3players, even when the
computer is off.
Reads data from and writes data to memory cards such as
Secure Digital (SD).
Connect optional USB 3.0 devices and provide enhanced USB
power performance.
The upgrade bay can hold either a hard drive or an optical drive
that reads and writes (select models only) to an optical disc. It
can also hold a weight saver option.
Releases the optical drive disc tray.
Supports optional ExpressCards or smart cards.
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