108
Jumpers and connectors
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 knowthe connectors on the system board to install components and cables correctly.
Topics:
•
System board jumper settings
•
System board connectors
•
Disabling a forgotten password
System board jumper settings
CAUTION:
Manyrepairsmay onlybedonebyacertifiedservicetechnician. You shouldonlyperformtroubleshooting andsimple
repairsasauthorizedinyourproductdocumentation,
orasdirectedbytheonlineortelephoneserviceandsupportteam.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
thatareshippedwithyourproduct.
For information on resetting the password jumper to disable a password, see the Disabling a forgotten password section.
Table 30. System board jumper settings
Jumper Setting
Description
NVRAM_CLR
(default)
The configuration settings are retained at system boot.
The configuration settings are cleared at the next system boot.
(default)
PWRD_EN
The password feature is enabled.
The password feature is disabled.
Related links
Disabling a forgotten password