System board jumper settingsTable 39. System Board Jumper SettingsJumper Setting DescriptionPSWD (jumper engaged_ default) The password feature is enabled.(jumper removed) Clears BIOS password.CMCLR (jumper removed_default) Real-time clock reset. Can be used for troubleshooting (pins 1 and2).(jumper engaged) Recovers BIOS setting to default.Disabling forgotten passwordThe software security features of the system include a system password and a setup password. The password jumper enables or disablespassword features and clears any password(s) currently in use.PrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simplerepairs 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 instructionsthat are shipped with your product.Steps1 Turn off 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 4 and 6 to pins 2 and 4.4 Install the system cover.The existing passwords are not disabled (erased) until the system boots with the jumper on pins 2 and 4. However, before you assigna new system and/or setup password, you must move the jumper back to pins 4 and 6.NOTE: If you assign a new system and/or setup password with the jumper on pins 2 and 4, the system disables the newpassword(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 off 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 2 and 4 to pins 4 and 6.9 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.Related linksBefore working inside your systemRemoving the system coverInstalling the system coverAfter working inside your system94 Jumpers and connectors
