Table 20. System board jumpers and connectors
Item Connector Description
36. SL2_CPU2_PA3_XA2 XGMI/NVMe connector 2
37. FAN_2U3 Fan 3
38. B16, B8, B15, B7, B14, B4, B13, B3 DIMMs for processor 2 channels E, F, G,
H
39. SL1_CPU2_PB3_XB2 XGMI/NVMe connector 1
40. FAN_2U2 Fan 2
41. CPU2 Processor 2
42 . FAN_2U1_1U1/2 Fan 1
43. B1, B9, B2, B10, B5, B11, B6, B12 DIMMs for processor 2 channels A, B, C,
D
44. LFT_CP Left control panel
System board jumper settings
For information about resetting the password jumper to disable a password, see the Disabling a forgotten password section.
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.
4. Reconnect the system and all the attached peripherals.
5. Power off the system.
6. Remove the system cover.
7. Replace the system cover.
8. Reconnect the system to the electrical outlet and power on the system, and all the attached peripherals.
9. Assign a new system and/or setup password.
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Jumpers and connectors
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