7
Jumpers and connectors

System board jumper settings

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 came with the product.
For information on resetting the password jumper to disable a password, see Disabling a forgotten
password.
Table 5. System Board Jumper settings
Jumper Setting Description
PWRD_EN
(default)
The password feature is enabled (pins 1–2).
The password feature is disabled (pins 2–3).
NVRAM_CLR
(default)
The configuration settings are retained at system boot
(pins 2–3).
The configuration settings are cleared at the next
system boot. (pins 1–2).
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