Owners Manual

9
Jumpers and connectors
This topic provides specific information about the system jumpers. It also provides some basic
information about jumpers and switches and describes the connectors on the various boards in the
system. Jumpers on the system board help to disable system and setup passwords. You must know the
connectors on the system board to install components and cables correctly.
System board jumper settings
For information about resetting the password jumper to disable a password, see the Disabling a forgotten
password section.
Table 33. System board jumper settings
Jumper Setting Description
PWRD_EN The password reset feature is enabled (pins 2–4).
The password reset feature is disabled (pins 4–6).
The iDRAC local access is unlocked at the next AC
power cycle.
NVRAM_CLR The configuration settings are retained at the next
system boot (pins 3–5).
The configuration settings are cleared at system
boot (pins 1–3).
Related Links
Disabling a forgotten password
Disabling a forgotten password
The software security features of the system include a system password and a setup password. The
password jumper enables these password features or disables them 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.
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