Lenovo ThinkServer RD450 User Manual And Hardware Maintenance Manual page 56

3. Remove the server cover. See "Removing the server cover" on page 61.
4. Locate the BIOS default settings jumper
disconnect any cables that might impede your access to the jumper.
Note: Do not remove the memory modules or microprocessors.
5. Remove the jumper cap from the jumper cap storage
6. Note the orientation of the jumper cap and then install the jumper cap on the BIOS default settings
jumper.
7. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See "Completing the
parts replacement" on page 165.
8. Connect the server to an ac power source and wait for several minutes. Then, turn on the server. The
BIOS settings turn into the factory-default settings.
9. Repeat step 1 through step 3.
10. Move the jumper cap back to the jumper cap storage
11. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See "Completing the
parts replacement" on page 165.
12. Connect the server to an ac power source and turn on the server.
4 Clear password jumper
Used to erase forgotten passwords, such as the BIOS passwords.
To clear passwords, do the following:
1. Remove all external media from the drives and turn off all attached devices and the server. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the server.
2. Prepare your server. See "Removing or extending the server from the rack cabinet" on page 61.
3. Remove the server cover. See "Removing the server cover" on page 61.
4. Locate the clear password jumper
cables that might impede your access to the jumper.
Note: Do not remove the memory modules or microprocessors.
5. Remove the jumper cap from the jumper cap storage
6. Note the orientation of the jumper cap and then install the jumper cap on the clear password jumper.
7. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See "Completing the
parts replacement" on page 165.
8. Connect the server to an ac power source and wait for several minutes. Then, turn on the server. The
BIOS passwords are erased, including the administrator password and user password.
9. Repeat step 1 through step 3.
10. Move the jumper cap back to the jumper cap storage
11. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See "Completing the
parts replacement" on page 165.
12. Connect the server to an ac power source and turn on the server.
13. To set new passwords, see "Using passwords" on page 50.
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ThinkServer RD450 User Guide and Hardware Maintenance Manual
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