Note: See “Front view” and “Rear
view” for additional component descriptions.
Figure 1. System board part locations
| 1 Clear CMOS (Complementary Metal Oxide Semiconductor) / Recovery jumper | 2 Thunderbolt connector |
| 3 Board to board connector | 4 DC connector |
| 5 Microprocessor | 6 Coin-cell battery |
| 7 Internal-speaker or advanced-speaker connector | 8 System fan connector |
| 9 Storage drive slot | 10 M.2 Wi-Fi card slot |
| 11 PCI Express card slot | 12 Serial connector |
| 13 Memory slot 1 (DIMM 1) | 14 Memory slot 2 (DIMM 2) |
| 15 M.2 storage drive slot 2 | 16 M.2 storage drive slot 1 |