I/O-Board Components - Dell Alienware Area-51 Service Manual

17. chassis heat-sensor connector (SENSOR2)
19. PCI-Express fan 1 connector (PCI_FAN1)
21. USB connector (USB1)
23. USB connector (USB3_MB1)
25. processor socket (CPU1)
27. memory-module slot (DIMM4)
29. memory fan connector (TOP_FAN1)
31. processor liquid-cooling assembly pump-fan connector
(PUMP_FAN1)
33. memory-module slot (DIMM1)

I/O-board components

NOTE: The location of the connectors may vary based on the selections you made at the time of purchase.
Figure 2. I/O-board components
1. rear I/O accessibility lighting battery connector (VBAT1)
3. left theater-lighting connector (POGO_IN_L1)
5. USB connector (USB1)
7. front I/O control connector (FIO_PWR1)
9. main-power connector (PWR1)
11. logo board connector (LOGO1)
18. PCI-Express power connector (PCIE_PWR1)
20. SATA drive connectors
22. LED Power Switch (PANEL1)
24. Advanced Technology xTended (ATX) power connector
(ATX PWR1)
26. memory-module slot (DIMM3)
28. processor liquid-cooling assembly fan connector
(MID_FAN1)
30. processor-power connector (CPU PWR1)
32. memory-module slot (DIMM2)
2. rear I/O accessibility lighting connector (PORCH_LIGHT1)
4. right theater-lighting connector (POGO_IN_R1)
6. debug connector (DEBUG1)
8. front I/O connector (USB3_FIO1)
10. optical drive power connector (ODD1)
12. audio connector (AUDIOIO1)
Technical overview 13