A wireless wide area network covers a broader geographic area. Cellular
networks are used for data transmission, and access is provided by a
wireless service carrier.
5
Hard disk drive/memory (RAM) compartment
v Hard disk drive
The
hard disk drive is secured in a compartment.
Important:
Do not disassemble the hard disk drive by yourself. If you do need to, ask
a Lenovo authorized service center or dealer to disassemble it.
v Memory (RAM) compartment
The
memory compartment provides expansion capabilities for additional
memory. The BIOS automatically detects the amount of memory in the
system and configures CMOS accordingly during the Power-On Self-Test
(POST) process. There is no hardware or software (including BIOS) setup
required after the memory is installed.
Note:
Only purchase expansion modules from authorized retailers of this
computer to ensure maximum compatibility and reliability.
Chapter 1. Getting to know your computer 9
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