Owners Manual

Puentes y conectores
Este tema proporciona información específica sobre los puentes del sistema. También incluye información básica sobre puentes
y conmutadores, y se describen los conectores de las distintas placas del sistema. Los puentes de la placa base ayudan a
desactivar las contraseñas del sistema y de configuración. Por lo tanto, debe conocer los conectores de la placa base para
instalar los componentes y cables correctamente.
Temas:
• System board jumper settings
• System board connectors
• Disabling a forgotten password
System board jumper settings
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by
your warranty. Read and follow the safety instructions that came with the product.
For information on resetting the password jumper to disable a password, see the Disabling A Forgotten Password section.
Table 27. System board jumper settings
Jumper Setting Description
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).
Related references
Instrucciones de seguridad on page 50
Related tasks
Before working inside your system on page 51
Disabling a forgotten password on page 146
Después de trabajar en el interior de su equipo on page 51
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