Dell Vostro 270s (Late 2012) - Manual (Page 21)

System Board Components
Figure 1. Components Of The System Board
1. power button connector
2. Coin-cell battery
3. SATA connectors
4. password reset jumper
5. front-panel audio connector
6. PCI Express x16 slot
7. Mini-Card slot
8. PCIe x1 slot
9. 4–pin CPU power connecter 10. CPU Socket
11. processor fan connector
12. DDR DIMM memory slots (2)
13. ATX 24–pin power connector
14. front panel USB connector
15. front panel USB connector
16. CMOS jumper
Installing the System Board
1. Align the system board to the port connectors on the rear of the chassis and replace the system board in the
chassis.
2. Tighten the screws to secure the system board to the chassis.
3. Connect the power-supply unit cables to the system board.
4. Install the:
a) processor
b) heat-sink assembly
c) expansion card
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