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Alienware Aurora R15 Service Manual

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System-board components

Figure 1. System-board components
Image: System board connectors
  1. Front I/O-panel cable
  2. SYSFAN_LED3 connector
  3. Upper front-chassis connector (FAN_SYS3)
  4. Coin-cell battery
  5. Wireless-card slot
  6. SYSFAN_LED2 connector
  7. Lower front-chassis fan connector (FAN_SYS2)
  8. SATA 6 Gbps drive connector (HDD1)
  9. SATA 6 Gbps drive connector (HDD2)
  10. Power-supply connector (ATX1)
  11. Solid-state drive slot (M.2 PCIe SSD-1)
  12. Solid-state drive slot (M.2 PCIe SSD-0)
  13. Air-cooling fan connector (FAN CPU)
  14. PCI-Express x4 slot (SLOT3)
  15. PCI-Express x4 slot (SLOT2)
  16. PCI-Express x16 mechanical/x16 electrical slot (SLOT1)
  17. Rear-chassis fan connector (FAN SYS1)
  18. Rear-chassis fan LED connector (LED FAN SYS1)
  19. Liquid cooling pump fan connector (FAN PUMP)
  20. Liquid-cooling pump LED connector
  21. Power-supply connector (ATX3)
  22. Top-chassis fan connector one (FAN_SYS4)
  23. Power-supply connector (ATX2)
  24. CPU socket
  25. Top-chassis fan connector two (FAN_SYS5)
  26. Memory-module slot, DIMM1
  27. Memory-module slot, DIMM2
  28. SATA power connector (SATA PWR)
  29. Side-light connector (SIDE LIGHT)

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