8
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
Disabling a Forgotten
Password
.
Table 13. 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).
109