Dell Vostro 3901 - Page 24

1. PCIe x1 connector 2. PCIe x16 connector
3. PCIe x1 connector 4. system fan connector
5. P2 power connector 6. processor socket
7. CPU fan connector 8. memory connectors
9. P1 power connector 10. front USB connector
11. real-time clock reset jumper 12. password reset jumper
13. card reader connector 14. coin-cell battery
15. SATA connectors 16. front LED connector
17. SATA connectors 18. front audio connector
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