I/O-Board Components - Dell Alienware Area-51 R3 Threadripper Edition Service Manual

21. PCI-Express fan 1 connector (PCI_FAN1)
23. SATA drive connector (HDD _SATA_3_4)
25.USB connector (USB3_MB2)
27. SATA drive connector (SATA6)
29.Advanced Technology xTended (ATX) power connector (ATX
PWR1)
31. top fan connector (TOP_FAN1)
33. memory-module slot (DIMM1)
35. memory-module slot (DIMM3)

I/O-board components

NOTE: The location of the connectors may vary based on the selections you made at the time of purchase.
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)
22. password reset jumper (PW_CLR)
24.SATA drive connector (HDD_SATA_1_2)
26.USB connector (USB3_MB1)
28. SATA drive connector (SATA5)
30.processor liquid-cooling assembly fan connector (MID_FAN1)
32. memory-module slot (DIMM2)
34. processor socket (CPU1)
36. memory-module slot (DIMM4)
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)
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