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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 73.
5 Built-in speakers
The stereo speakers are built into your computer.
Rear view
Figure 5. ThinkPad X230 and X230i rear view
1 Power jack 2 Fan louvers
1 Power jack
Connect the ac power adapter to the power jack to provide ac power to the computer and charge the battery.
2 Fan louvers
The internal fan and louvers enable air to circulate in the computer and cool the central processor.
Note: To avoid impeding airow, do not place any obstacle in front of the fan.
Status indicators
Your computer has system-status indicators and power-status indicators. The status indicators show the
current status of your computer.
Chapter 1. Product overview 7