Bottom View - ThinkPad X230 User Manual

7 Fan louvers
The internal fan and louvers enable air to circulate in the computer and cool the central processor.
Note: To avoid impeding airflow, do not place any obstacle in front of the fan.

Bottom view

Figure 4. ThinkPad X230 and X230i bottom view
1
Battery
3
Docking station connector
5
Built-in speakers
1 Battery
Use your computer with the battery power whenever ac power is unavailable.
2
SIM card slot
If your computer has a wireless WAN feature, it might require a Subscriber Identification Module (SIM) card
to establish wireless WAN connections. Depending on the country of delivery, the SIM card might already be
installed in the SIM card slot.
3
Docking station connector
Connect your computer to a supported ThinkPad Ultrabase, port replicator, or docking station through this
connector to extend the computer capabilities when you are in your office or at home. For more information
about the supported docking stations, see Chapter 7 "Enhancing your computer" on page 89.
4 Memory-upgrade slot
You can increase the amount of memory in your computer by installing a memory module in the
memory-upgrade slot. Memory modules are available as options from Lenovo. For more information,
see "Replacing a memory module" on page 75.
5 Built-in speakers
The stereo speakers are built into your computer.
2
SIM card slot
4
Memory-upgrade slot
.
Chapter 1 Product overview
7