Dell PowerEdge M610 - Manual (Page 336)

336 System Board Information
PowerEdge M610/M610x Jumper Settings
Figure 7-7 shows the location of the configuration jumpers on the blade
system board. Table 7-7 lists the jumper settings.
NOTE: Figure 7-7 is oriented with the front end of the blade system board facing to
the right.
Table 7-7. PowerEdge M610/M610x Jumper Settings
PWRD_EN (default) The password feature is enabled. (Pins 1-2)
The password feature is disabled. (Pins 2-3)
NVRAM_CLR (default) The configuration settings are retained at
system boot. (Pins 2-3)
The configuration settings are cleared at the
next system boot.(Pins 1-2) (If the
configuration settings become corrupted to the
point where the system does not boot, install
the jumper and boot the system. Remove the
jumper before restoring the configuration
information.)