Dell Vostro 270 (Late 2012) - Manual (Page 26)

1. SATA connectors (SATA0, SATA1, SATA2, SATA3)
2. front USB connector
3. front USB Connector
4. password reset jumper
5. audio connector
6. PCI Express x1 card slot
7. CMOS (coin-cell) battery
8. PCI Express x16 card slot
9. system fan connector
10. power connector
11. processor socket
12. processor fan connector
13. memory module connectors (DIMM 1 and 2)
14. main power connector
15. CMOS clear reset jumper
16. PCI Express-mini connector
17. front LED power connector
Installing the System Board
1. Place the system board into the computer and then slide it towards the back of the computer.
2. Replace the screws to secure the system board to the computer.
3. Connect all the cables to the system board.
4. Replace the:
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