6

Jumpers And Connectors

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 Disabling A Forgotten Password.

Table 5. System Board Jumper Settings

Jumper

Setting

Description

 

 

 

PWRD_EN

(default)

The password feature is enabled.

 

 

 

 

The password feature is disabled.

NVRAM_CLR

(default)

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 does not

 

 

boot, install the jumper and boot the system. Remove

 

 

the jumper before restoring the configuration

 

 

information.)

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Dell M820 owner manual Jumpers And Connectors, System Board Jumper Settings