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3. OCP NIC 3.0 Connector
5. TPM Connector
7. Serial Port Connector
9. PCIe Connector 8 (SL8_CPU1_PB4)
11. Front VGA
13. NVRAM_CLR(Jumpers)
15. SATA Connector S9 (SL9_PCH_SA1)
17. Right Control Panel
19. PCIe Connector 4 (SL4_CPU1_PA2)
21. PCIe Connector 3 (SL3_CPU1_PB2)
23. Processor 2
25. PCIe Connector 1(SL1_CPU2_PB1)
27. Fan Signal 2
29. PIB Signal 1
31. Intrusion Switch Connector
33. DIMMs for processor 2 Channels E, F, G, H
35. Coin cell battery
System board jumper settings
For information about resetting the password jumper to disable a password, see the
Table 38. System board jumper settings
Jumper
PWRD_EN
NVRAM_CLR
CAUTION:
You should be cautious when changing the BIOS settings. The BIOS interface is designed for
advanced users. Any changes in the setting might prevent your system from starting correctly and may even
result in data loss.
Disabling a forgotten password
The software security features of the system include a system password and a setup password. The password jumper enables or
disables password features and clears any password(s) currently in use.
Prerequisites
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by
your warranty. Read and follow the safety instructions that are shipped with your product.
Steps
1. Power off the system and all attached peripherals. Disconnect the system from the electrical outlet, and disconnect the
peripherals.
130
Jumpers and connectors
Setting
4. DIMMs for processor 2 Channels E, F, G, H
6. PCIe Connector 7 (SL7_CPU1_PA4)
8. BOSS Riser Slot (PCH)
10. PCH
12. PWRD_EN (Jumpers)
14. Riser 1 Connector (Processor 1)
16. DIMMs for processor 1 Channels A, B, C, D
18. Processor 1
20. DIMMs for processor 1 Channels E, F, G, H
22. System Power Connector 2
24. PCIe Connector 2 (SL2_CPU2_PA1)
26. Fan Signal 1
28. Left Control Panel
30. PIB Signal 2
32. System Power Connector 1
34. Backplane Signal and Power 0
Disabling a forgotten password
Description
The BIOS password feature is enabled.
The BIOS password feature is disabled. The BIOS password is
now disabled and you are not allowed to set a new password.
The BIOS configuration settings are retained at system boot.
The BIOS configuration settings are cleared at system boot.
section.
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