Dell PowerEdge 1900 - Manual (Page 129)

Jumpers and Connectors
129
Disabling a Forgotten Password
The password jumper on the system board enables the system password features or disables them and clears
any password(s) currently in use.
CAUTION:
Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, 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 the
SAS 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 the
fans 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 plug
removed. However, before you assign a new system and/or setup password, you must install the jumper
plug.
NOTE:
If you assign a new system and/or setup password with the jumper plug still removed, the system
disables the new password(s) the next time it boots.
12 Turn off the system, including any attached peripherals, and disconnect the system from the electrical
outlet.
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" on
page 41.