Jumpers and connectors
This topic provides specific information about the 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 the system and
setup passwords. You must know the connectors on the system board to install components and cables correctly.
Topics:
• System board jumper settings
• System board jumpers and connectors
• Disabling a forgotten password
System board jumper settings
For information about resetting the password jumper to disable a password, see the Disabling a forgotten password section.
Table 44. System board jumper settings
Jumper Setting Description
PWRD_EN
(default)
The password feature is enabled (pins 4–6).
The password feature is disabled (pins 2–4). iDRAC local
access is unlocked at the next AC power cycle.
NVRAM_CLR
(default)
The configuration settings are retained at system boot (pins
1–3).
The configuration settings are cleared at the next system boot
(pins 3–5).
Related tasks
Disabling a forgotten password
9
Jumpers and connectors 177
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