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Dell Vostro 3890 Service Manual page 42

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System board
System board layout
1. ATX CPU power connector
2. CPU fan connector
3. Memory slots (DIMM1, DIMM2)
4. Coin-cell battery
5. Power switch connectors
6. ATX system power connector
7. SATA 2 connector
8. SATA power cable connector
9. SATA 1 connector
10. M.2 WLAN connector
11. SATA 3 connector
12. M.2 PCIe SSD connector
13. Jumper connectors
14. PCIe x16 (Slot 3)
15. PCIe x1 (Slot 2)
16. PCIe x1 (Slot 1)
17. Processor socket
Removing the system board
Prerequisites
1. Follow the procedure in
Before working on your
computer.
42
Disassembly and reassembly

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