Dell POWEREDGE 1900 Hardware Owner's Manual

Also see for POWEREDGE 1900: Getting started guide Installation information Installation guide Installation guide Information update

Contents

Dell POWEREDGE 1900 Hardware Owner's Manual Manual pdf 129 page image

Jumpers and Connectors 129Disabling a Forgotten PasswordThe password jumper on the system board enables the system password features or disables them and clearsany password(s) currently in use.CAUTION: Only trained service technicians are authorized to remove the system cover and access any of thecomponents inside the system. See your Product Information Guide for complete information about safetyprecautions, working inside the computer, and protecting against electrostatic discharge.1 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.2 Remove the bezel, if attached. See "Removing the Bezel" on page 46.3 Open the system. See "Opening the System" on page 48.4 Note the cable connections on the SAS RAID daughter card, and then disconnect the cables from theSAS RAID controller daughter card and extend the cables away from the center fan bracket.5 Remove the fans from the center fan bracket. See "Removing and Installing a Fan" on page 53.6 Remove the center fan bracket. See "Removing the Center Fan Bracket" on page 79.7 Remove the password jumper plug.See Figure 6-1 to locate the password jumper on the system board.8 Replace the center fan bracket (see "Replacing the Center Fan Bracket" on page 79) and replace thefans in the bracket.9 Reconnect the SAS RAID controller daughter card cables.10 Close the system. See "Closing the System" on page 48.11 Reconnect the system to the electrical outlet, and turn on the system.The existing passwords are not disabled (erased) until the system boots with the password jumper plugremoved. However, before you assign a new system and/or setup password, you must install the jumperplug.NOTE: If you assign a new system and/or setup password with the jumper plug still removed, the systemdisables the new password(s) the next time it boots.12 Turn off the system, including any attached peripherals, and disconnect the system from the electricaloutlet.13 Open the system.14 Repeat step 4 through step 6.15 Reinstall the password jumper plug in its original position to enable the password protection feature.16 Replace the center fan bracket and fans and reconnect the SAS RAID controller daughter card cables.17 Close the system, reconnect the system to the electrical outlet, and turn on the system.18 Assign a new system and/or setup password.To assign a new password using the System Setup program, see "Using the System Password" onpage 41.