Lenovo ThinkPad Hard Disk Drive, User Manual

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Micro-SIM-card slot (available on some models)
2
Fan louvers
1 Micro-SIM-card slot
If your computer supports the wireless Wide Area Network (wireless WAN) feature, a micro Subscriber
Identification Module (SIM) card might be required to establish wireless WAN connections. Depending on
the country or region of delivery, the micro SIM card might be already installed in this slot.
2 Fan louvers
The fan louvers and internal fan enable air to circulate in the computer and to ensure proper cooling,
especially the cooling of the microprocessor.
Notes:
• To ensure proper airflow, do not place any obstacles in front of the fan louvers.
• The fan louvers of your computer might get too hot when the computer is running heavy tasks. When you
are using or carrying the computer, take care to avoid direct contact to the fan louvers.
Status indicators
Your computer has six status indicators.
Note: Depending on the model, your computer might look different from the illustrations in this topic.
Chapter 1
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Product overview
7