Owners Manual

Jumpers and connectors
This topic provides specic 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.
Topics:
• System board jumper settings
• System board 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 17. 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 conguration settings are retained at system boot (pins 1–3).
The conguration settings are cleared at the next system boot (pins
3–5).
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100 Jumpers and connectors