Dell PowerVault DL2100 - Manual (Page 170)

170
Jumpers and Connectors
Figure 6-1. System Board Jumpers
Jumper Setting Description
PWRD_EN Pins 2 and
4(default) The password feature is enabled.
Pins 4 and 6 The password feature is disabled and
iDRAC6 local access is unlocked at the next
AC power cycle.
NVRAM_CLR Pins 3 and 5
(default) The configuration settings are retained at
system boot.