Component
Description
(2)
RJ-45 (network) jack/lights (2)
Connects a network cable.
●
Amber (left): The network is showing activity.
●
Green (right): The network is connected.
(3)
USB 3.0 charging port
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 MP3 players, even when the
computer is off.
(4)
Memory card reader
Reads data from and writes data to memory cards such as
Secure Digital (SD).
(5)
USB 3.0 ports (2)
Connect optional USB 3.0 devices and provide enhanced USB
power performance.
(6)
Upgrade bay (optical drive shown)
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.
(7)
Optical drive eject button (select models only)
Releases the optical drive disc tray.
(8)
ExpressCard slot or smart card reader
(depending on the configuration)
Supports optional ExpressCards or smart cards.
20
Chapter 2 External component identification
Summary of Contents for 645 G1
Page 4: ...iv Safety warning notice ...
Page 10: ...x ...
Page 37: ...Computer major components Computer major components 27 ...