Table 119. System board jumpers and connectors(continued)
Item Connector Description
40. A8, A16, A2, A10, A6, A14, A4, A12 DIMMs for CPU 1 channels H, G, F, E
41. CPU 2 Processor 2
42. B8, B16, B2, B10, B6, B14, B4, B12 DIMMs for CPU 2 channels H, G, F, E
43. PSU PSU connector 2
44. PWR2 PWR2
45. PUCK_PSU2 PSU 2 PUCK Sideband Signal
46. IO_RISER4 (CPU2) Riser 4
47. BAT_SIG Battery signal
48 SL9_CPU2_PA5
1
SATA Connector
NOTE: The platform supports Maximum (MAX) and Mainstream (MS) system boards.
●
1
SL9_CPU2_PA5 and SL10_PCH_SA1 connectors are available only on MAX system board.
● MS system board supports CPU TDP < 250 W
● MAX system board supports CPU TDP => 250 W
System board jumper settings
For information about resetting the password jumper to disable a password, see the Disabling a forgotten password section.
Table 120. 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: 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.
252 Jumpers and connectors
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