Dell W66FF Installation And Service Manual

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3. OCP NIC 3.0 Connector 4. DIMMs for processor 2 Channels E, F, G, H5. TPM Connector 6. PCIe Connector 7 (SL7_CPU1_PA4)7. Serial Port Connector 8. BOSS Riser Slot (PCH)9. PCIe Connector 8 (SL8_CPU1_PB4) 10. PCH11. Front VGA 12. PWRD_EN (Jumpers)13. NVRAM_CLR(Jumpers) 14. Riser 1 Connector (Processor 1)15. SATA Connector S9 (SL9_PCH_SA1) 16. DIMMs for processor 1 Channels A, B, C, D17. Right Control Panel 18. Processor 119. PCIe Connector 4 (SL4_CPU1_PA2) 20. DIMMs for processor 1 Channels E, F, G, H21. PCIe Connector 3 (SL3_CPU1_PB2) 22. System Power Connector 223. Processor 2 24. PCIe Connector 2 (SL2_CPU2_PA1)25. PCIe Connector 1(SL1_CPU2_PB1) 26. Fan Signal 127. Fan Signal 2 28. Left Control Panel29. PIB Signal 1 30. PIB Signal 231. Intrusion Switch Connector 32. System Power Connector 133. DIMMs for processor 2 Channels E, F, G, H 34. Backplane Signal and Power 035. Coin cell batterySystem board jumper settingsFor information about resetting the password jumper to disable a password, see the Disabling a forgotten password section.Table 38. System board jumper settingsJumper Setting DescriptionPWRD_EN The BIOS password feature is enabled.The BIOS password feature is disabled. The BIOS password isnow disabled and you are not allowed to set a new password.NVRAM_CLR The BIOS configuration settings are retained at system boot.The BIOS configuration settings are cleared at system boot.CAUTION: You should be cautious when changing the BIOS settings. The BIOS interface is designed foradvanced users. Any changes in the setting might prevent your system from starting correctly and may evenresult in data loss.Disabling a forgotten passwordThe software security features of the system include a system password and a setup password. The password jumper enables ordisables password features and clears any password(s) currently in use.PrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered byyour warranty. Read and follow the safety instructions that are shipped with your product.Steps1. Power off the system and all attached peripherals. Disconnect the system from the electrical outlet, and disconnect theperipherals.130 Jumpers and connectors