System board jumper settings
For information on resetting the password jumper to disable a password, see the Disabling a forgotten password section.
Table 47. System board jumper settings
Jumper Setting Description
PWRD_EN The BIOS password feature is enabled.
The BIOS password feature is disabled. iDRAC local access is 
unlocked at next AC power cycle. iDRAC password reset is enabled 
in F2 iDRAC settings menu.
NVRAM_CLR The BIOS conguration settings are retained at system boot.
The BIOS conguration settings are cleared at system boot.
Related links
Disabling forgotten password
Disabling forgotten password
The software security features of the system include a system password and a setup password. The password jumper enables or disables 
password features and clears any password(s) currently in use.
Prerequisites
CAUTION
: Many repairs may only be done by a certied 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 are 
shipped with your product.
Steps
1  Turn o the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2  Remove the system cover.
3  Move the jumper on the system board jumper from pins 2 and 4 to pins 4 and 6.
4  Install the system cover.
The existing passwords are not disabled (erased) until the system boots with the jumper on pins 4 and 6. However, before you assign a 
new system and/or setup password, you must move the jumper back to pins 2 and 4.
NOTE
: If you assign a new system and/or setup password with the jumper on pins 4 and 6, the system disables the new 
password(s) the next time it boots.
5  Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
6  Turn o the system, including any attached peripherals, and disconnect the system from the electrical outlet.
7  Remove the system cover.
8  Move the jumper on the system board jumper from pins 4 and 6 to pins 2 and 4.
9  Install the system cover.
10  Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
11  Assign a new system and/or setup password.
Dell EMC PowerEdge R740 Installation and Service Manual
Jumpers and connectors 
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