Lenovo ThinkServer TD340 - Manual (Page 68)

2. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a flat,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server.
3. Remove the server cover. See “Removing the server cover” on page 85.
4. Locate the Clear password switch on the system board. Then, remove any parts and disconnect any
cables that might impede your access to the switch.
5. Move the clear password switch from the default off position to the on position.
6. Wait more than five seconds and then move the clear password switch back to the off position.
7. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See “Completing the
parts replacement” on page 205.
8. Connect the server to an ac power source and wait about 30 seconds. Then, turn on the server. The
BIOS passwords are erased, including the administrator password and user password.
9. To set new passwords, see “Using passwords” on page 65.
3 ME in force update switch
Used to update (flash) the ME.
The ME updating process usually is contained in the BIOS updating (flashing) process.
Note: Only some BIOS versions contain the parameters for updating the ME. If you want to update the ME,
ensure that your BIOS version contains the required parameters.
To update the ME, do the following:
1. Remove all 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. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a flat,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server.
3. Remove the server cover. See “Removing the server cover” on page 85.
4. Locate the ME in force update switch on the system board. Then, remove any parts and disconnect any
cables that might impede your access to the switch.
5. Move the ME in force update switch from the default off position to the on position.
6. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See “Completing the
parts replacement” on page 205.
7. Connect the server to an ac power source. Then, update the BIOS. See “Updating (flashing) the BIOS”
on page 67.
8. Repeat step 1 through step 4.
9. Move the ME in force update switch back to the off position.
10. Reinstall any parts and reconnect any cables. Then, reinstall the server cover. See “Completing the
parts replacement” on page 205.
11. Connect the server to an ac power source and turn on the server. The BIOS and ME have been
updated. You need to check and configure the BIOS settings for your specific needs. See “Using
the Setup Utility program” on page 61.
System board LEDs
This topic helps you locate the LEDs on the system board.
The server is designed so that LEDs remain lit when the server is connected to an ac power source but is not
turned on, if the power supply is operating correctly. This helps you isolate problems when the server is not
56 ThinkServer TD340 User Guide and Hardware Maintenance Manual