Lenovo ThinkPad i Series 1157 Reference page 166

IBM BIOS Setup Utility
Password
Set Power On Password [ Enter ]
Set Hard Disk 1 Password [Enter]
Set Hard Disk 2 Password [Enter]
Set Supervisor Password [Enter]
Set Power On Password
Setup Notice
Enter New Password
Changes have been saved.
Comfirm New Password
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Item Specific Help
Set Power On Password
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