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Inspiron 3891 Service Manual

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System-board components

Figure 1. System-board components
Image: System board components
  1. power-button cable connector (PWR SW)
  2. media-card reader board connector (SD CARD)
  3. coin-cell battery slot
  4. system-board power cable connector (ATX SYS)
  5. hard-drive data cable connector (SATA0)
  6. hard-drive power cable connector (SATA PWR)
  7. hard-drive/optical drive data cable connector (SATA3)
  8. hard-drive data cable connector (SATA1)
  9. M.2 card slot for wireless card (M.2 WLAN)
  10. PCIe x16 slot for graphics card (SLOT3)
  11. PCIe x1 expansion slot (SLOT1)
  12. M.2 2230/2280 card slot for solid-state drive (M.2 SSD PCIE2)
  13. processor slot
  14. processor-power cable connector (ATX CPU)
  15. memory-module slot (DIMM 1)
  16. memory-module slot (DIMM 2)

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