System Board Layout; System Board Jumper - Dell OptiPlex 3050 Small Form Factor Owner's Manual

System board layout

1. PCI-e x16 connector (slot 2)
3. VGA daughter board connector
5. CPU power connector (ATX_CPU)
7. CPU fan connector
9. M.2 Slot 3 connector
11. SD Media card reader connector
13. ATX power connector
15. Service mode jumper
17. Clear CMOS jumper
19. SATA 1 connector

System board jumper

The service system board jumper must be set to Password to function normally. As long as the jumper stays at Service Mode,
all values set in the BIOS will not be saved and the system will not exit the manufacturing mode with an error prompt indicating
that jumpers are incorrect.
2. PCI-e x1 Connector (slot 1)
4. Processor connector (CPU)
6. Intrusion switch connector
8. Memory module connectors
10. Power switch connector
12. SATA 0 connector
14. HDD and ODD power cable connector
16. Clear password jumper
18. Speaker connector
20. Coin cell battery
Removing and installing components 33