Owners Manual

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.
Topics:
• System board jumper settings
• System board connectors
• Disabling 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 26. 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 tasks
Disabling forgotten password on page 114
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Jumpers and connectors 111