IBM ThinkPad T20, Руководство по техническому обслуживанию аппаратной части

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Related service information
Supervisor password:
A supervisor password
(SVP) protects the system information stored in the IBM
BIOS Setup Utility so that without knowing the password,
nobody can change the configuration of the computer.
Attention
If the SVP has been forgotten, there is no way to reset
it.
How to remove the power-on password:
To
remove a POP that you have forgotten, do the following:
(A) If SVP is not installed:
1. Turn off the computer.
2. Remove the battery pack.
For how to remove the battery pack, see “1010
Battery pack” on page 50.
3. Remove the backup battery.
For how to remove the backup battery, see “1020
Backup battery” on page 51.
4. Turn on the computer and wait until the POST ends.
After the POST ends, the password prompt does not
appear. The POP has been removed.
5. Reinstall the backup battery and the battery pack.
(B) If SVP is installed:
1. Turn on the computer by pressing and holding F1.
2. Enter the SVP. The IBM BIOS Setup Utility menu
appears.
3. Select Password, using the cursor keys to move
down the menu.
4. Select Power-On Password.
5. Enter the SVP, at the Enter Current Password field.
6. When the Enter New Password field opens, leave it
blank and press Enter twice.
7. Press Enter in the Changes have been saved
window.
8. Press F10; then select Yes in the Setup confirmation
window.
How to remove the hard-disk password:
To
remove the HDP, do the following:
1. Power on the computer by pressing and holding F1.
2. Enter the SVP. The IBM BIOS Setup Utility menu
appears.
3. Select Password, using the cursor keys to move
down the menu.
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ThinkPad T20 HMM