Table 118. System board jumpers and connectors (continued)
Item connector Description
39. CPU Processor
40. FAN_2U2 Fan 2 connector
41. SL4_CPU_PA2 PCIe connector 4
42. SL3_CPU_PA1 PCIe connector 3
43. SL2_CPU_PB2 PCIe connector 2
44. FAN_2U1 Fan 1 connector
45. SL1_CPU_PB1 PCIe connector 1
46. A12, A8, A10, A4, A6, A2 DIMMs for CPU 1
System board jumper settings
For information about resetting the password jumper to disable a password, see the Disabling a forgotten password section.
Table 119. System board jumper settings
Jumper Setting Description
PWRD_EN 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.
NVRAM_CLR The BIOS configuration settings are
retained at system boot.
The BIOS configuration settings are
cleared at system boot.
CAUTION: Be careful when changing the BIOS settings. The BIOS interface is designed for advanced users. Any
change in the setting could prevent your system from starting correctly and you might have potential loss of
data.
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 the attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the system cover.
3. Replace the system cover.
270
Jumpers and connectors
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