Table 142. System board jumpers and connectors (continued)
Item Connector Description
37 SL1_CPU2_PA1 PCIe Connector 1
38 B8, B2, B6, B4 DIMMs for Processor 2, Channels H, G,
F,
E
39 Left Control Panel 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.
Table 143. System board jumper settings
Jumper Setting Description
PWRD_EN The BIOS password feature is enabled.
The BIOS password feature is disabled.
T
h
e BIOS password is now disabled
and you are not allowed to set a new
password.
NVRAM_CLR
The BIOS configuration settings are
r
e
tained at system boot.
The BIOS configuration settings are
c
l
eared at system boot.
CAUTION:
Y
ou 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
Th
e 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: M
any 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.
2. Remove the system cover.
3. Move the jumper on the system board from pins 2 and 4 to pins 4 and 6.
4. Replace the system cover.
NOTE: The existing passwords are not disabled (erased) until the system boots with the jumper on pins 4 and 6.
H
owever, before you assign a new system and/or setup password, you must move the jumper back to pins 2 and 4.
Jumpers and connectors 247
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