Dell PowerEdge R740xd2 EMC Installation and Service Manual - Page 161
System board jumper settings
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Table 20. System board jumpers and connectors (continued) Item Connector Description 3. FAN4 Fan4 connector 4. CPU1 Processor socket 1 5. CPU1_PWR_CONN(P2) CPU1 power connector 6. J_INTRU Intrusion switch connector 7. FAN3 Fan3 connector 8. FAN2 Fan2 connector 9. J_BP_SIG1 Backplane signal connector 1 10. LFT_CP_CONN Left control panel connector 11. RGT_CP_CONN Right panel connector 12. SYS_PWR_CONN(P1) System power connector 13. J_PIB_SIG1 Power interface board signal connector 1 14. J_PIB_SIG2 Power interface board signal connector 2 15. J_ACE Internal Dual SD Module 16. J_SATA_A1 Internal SATA A connector 17. PCIE_G3_X8(CPU1) Internal PERC controller connector 18. J_REAR_BP_PWR1 ODD power connector 19. INT_USB_3.0 USB connector 20. NVRAM_CLR Clear NVRAM 21. PWRD_EN Reset BIOS password 22. SLOT6 PCIe slot 6 23. SLOT5 PCIe slot 5 24. SLOT4 PCIe slot 4 25. LEDs (7) System board diagnostic LED indicators 26. J_TPM_MODULE TPM module connector 27. J_BP_SIG0 Backplane signal connector 28. J_MEZZ_A1 LOM riser card connector 29. BATTERY Battery connector 30. PCIE_G3_X16(CPU1) Riser 1 connector 31. A6, A5, A10, A4, A9, A7, A1, A8, A2, A3 Memory module sockets 32. B3, B2, B1, B4, B5, B6 Memory module sockets 33. CPU2 Processor 2 dust cover 34. CPU2_PWR_CONN(P3) Processor 2 power connector System board jumper settings For information on resetting the password jumper to disable a password, see the Disabling a forgotten password section. Jumpers and connectors 161