13. Power-supply unit cable connector (ATX SYS)
14. Internal-speaker cable connector (INT SPKR)
15. Coin-cell battery connector (RTC)
16. Thunderbolt card connector (TBT)
17. PCIe x4 card connector (SLOT4)
18. PCI card connector (SLOT3)
19. PCIe x16 card connector (SLOT2)
20. PCIe x1 card connector (SLOT1)
21. System-fan cable connector (FAN SYS)
22. Intrusion-switch cable connector (INTRUSION)
23. USB Type-C port connector (TYPE-C)
24. M.2 2230/2280 solid-state drive connector (M.2 PCIe SSD-0)
25. Processor socket (CPU)
26. Optional video port connector (VIDEO)
27. Optional serial port connector (KB MS SERIAL)
The following images indicate the location of the system board and provide a visual representation of the installation procedure.
Figure 102. Installing the system board
Steps
1. Slide the front I/O-ports on the system board into the front I/O-slots on the chassis and align the screw holes on the
system board with the screw holes on the chassis.
2. Replace the two M.2 solid-state drive standoff nuts (M2) to secure the system board to the chassis.
3. Replace the seven screws (#6-32) to secure the system board to the chassis.
Removing and installing Field Replaceable Units (FRUs)
131
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