![](/images/new-backgrounds/1123739/12373955x1.webp)
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| Touch panel control board (optional) |
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| Optical drive (optional) |
| 11 |
| 25 | ||
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| Frame foot (optional) |
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| Video Electronics Standards Association (VESA) mount |
| 12 | 26 | |||
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| Internal speaker |
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| Integrated camera with microphone (optional) |
| 13 | 27 | |||
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| mSATA |
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| Light sensor (optional) |
| 14 | 28 | |||
| PCI | Express x1 card function with limitation) |
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Locating parts on the system board
Figure 4 “System board part locations” on page 16 shows the locations of the parts on the system board.
Figure 4. System board part locations
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| Microprocessor |
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| Rear I/O assembly slot |
| 1 |
| 15 | ||
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| Clear Complementary Metal Oxide |
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| Front LED connector |
| 2 | 16 | |||
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| Semiconductor (CMOS) /Recovery jumper |
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| Battery |
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| Touch panel control board connector* |
| 3 | 17 | |||
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| Mini PCI Express x1 card slot |
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| Front control panel connector |
| 4 | 18 | |||
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| Integrated camera connector |
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| Serial connector |
| 5 | 19 | |||
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| Light sensor connector* |
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| Keyboard and mouse cable connector |
| 6 | 20 | |||
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| Memory slots (2) |
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| SATA power connector |
| 7 | 21 | |||
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| Management Engine (ME) disabled jumper |
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| SATA 3.0 connector (for connecting the hard disk drive) |
| 8 | 22 | |||
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| Thermal sensor connector |
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| Converter board power connector |
| 9 | 23 | |||
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