![](/images/new-backgrounds/1223685/223685133x1.webp)
3.Grasp the ODD bay and the other hand on the other edge of the lower cover. Lift the lower cover from the device.
Component Overview
Main components are assembled on the mainboard as illustrated in the following graphic.
1 | 2 | 3 |
| 4 | 5 | 6 |
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Item | Description |
| Item |
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| Description |
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1 | USB board |
| 2 |
| HDD |
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3 | DIMM modules |
| 4 |
| Heatsink | |
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5 | RTC battery |
| 6 |
| WLAN module | |
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Chapter 3 | 57 |