Bottom
Component |
| Description |
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(1) | Battery bay | Holds the battery. |
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(2) | SIM slot | Supports a wireless subscriber identity module (SIM). |
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| The SIM slot is located inside the battery bay. |
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(3) | Battery release latch | Releases the battery. |
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(4) | Accessory battery connector | Connects an optional accessory battery. |
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(5) | Docking connector | Connects an optional docking device. |
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(6) | Service door release latch | Releases the service door from the computer. |
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(7) | Vents (4) | Enable airflow to cool internal components. |
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| NOTE: The computer fan starts up automatically to |
cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation.
18 | Chapter 2 External Component Identification |
