Dell POWEREDGE R805 Hardware Owner's Manual page 166

Figure 6-1. System Board Jumpers
Table 6-1. System Board Jumper Settings
Jumper
NVRAM_CLR
166
Jumpers and Connectors
Setting
(default)
Description
The configuration settings are retained at
system boot.
The configuration settings are cleared at
the next system boot. (If the configuration
settings become corrupted to the point
where the system will not boot, install the
jumper and boot the system. Remove the
jumper before restoring the configuration
information.)