1. PCI card slot (slot 5) 2. PCI Express 3.0 x16 card slot (slot 4)
3. PCI Express 2.0 x16 (x4 electrically) card slot
(slot 3) 4. PCI Express 3.0 x16 card slot (slot 2)
5. PCI Express 3.0 x16 (x4 electrically) card slot
(slot 1) 6. intrusion-switch connector
7. DIMM slots (available only when optional
second processor is installed) 8. processor socket
9. CPU2 fan connector 10. front-panel audio connector
11. DIMM slots (available only when optional
second processor is installed) 12. PCI Express 3.0 x16 slots (available only
when optional second processor is installed)
(CPU2_SLOT1 and CPU2_SLOT2)
13. coin-cell battery 14. HDD3 fan connector
15. CPU power connector 16. HDD2 fan connector
17. CPU power connector 18. system fan connector
19. DIMM slots 20. processor socket
21. DIMM slots 22. remote power connector
23. thunderbolt side band connector 24. system fan connector
25. system fan connector 26. internal speaker connector
27. integrated SAS0 connector 28. integrated SAS1 connector
29. main power connector 30. CMOS Clear Jumper
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