
Front components
| Item | Component | Function | 
| 
 | 
 | 
 | 
| (1) | Produces sound when connected to optional powered stereo | |
| 
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 | speakers, headphones, ear buds, a headset, or television | 
| 
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 | audio. | 
| 
 | 
 | 
 | 
| (2) | Connects an optional computer headset microphone, stereo | |
| 
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 | array microphone, or monaural microphone. | 
| 
 | 
 | 
 | 
Right-side  components
| Item | Component | Function | 
| 
 | 
 | 
 | 
| (1) | USB ports | Connect optional USB devices. | 
| 
 | 
 | 
 | 
| (2) | Optical drive | Reads optical discs, and, on select models, also writes to | 
| 
 | 
 | optical discs. | 
| 
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 | 
 | 
| (3) | Optical drive light | On: The optical drive is being accessed. | 
| 
 | 
 | 
 | 
| (4) | Security cable slot | Attaches an optional security cable to the computer. | 
| 
 | 
 | NOTE: The security cable is designed to act as a | 
| 
 | 
 | deterrent, but may not prevent the computer from being | 
| 
 | 
 | mishandled or stolen. | 
| 
 | 
 | 
 | 
10 Chapter 2 External component identification
