System Board Jumper Dip Switch Settings; Disabling A Forgotten Password - Dell PowerEdge XR4520c Installation And Service Manual

9. Smart NIC Connector
11. USB 3.0
13. iDRAC port
15. UID BTN
17. Bezel Pogo-pin connector
19. M.2 Riser_1 Connector
21. TPM Connector
23. M.2 Riser_2 Connector
25. Fan 1 Connector
27. PWR PIB Sideboard Connector

System board jumper DIP switch settings

For information about resetting the password jumper to disable a password, see the
Table 56. DIP switch settings
Jumper
NVRAM_CLR
PWRD_EN
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.
104 DIP Switches
Setting
(default)
(default)
10. USB Serial Port
12. SFP I/O Sideband Connector
14. Display Port
16. iDRAC Direct
18. PWR BTN
20. Internal USB
22. BOSS Connector
24. DIMMs for CPU
26. Fan 2 Connector
28. Fan 3 Connector
Disabling a forgotten password
Description
The BIOS configuration settings are retained at system boot.
The BIOS configuration settings are cleared at system boot.
The BIOS password feature is enabled.
The BIOS password feature is disabled. iDRAC local access is
unlocked at next AC power cycle. iDRAC password reset is
enabled in F2 iDRAC settings menu.
section.