The algorithm that generates the number is designed to provide unique IDs until the year A.D. 3400. No two computers in the world have the same number.
When you replace the system board, you must set the UUID on the new system board as follows:
1.Install the LENOVO ThinkPad SL Series Maintenance Diskette Version 1.01 or later, and restart the computer.
2.From the main menu, select 2. Assign UUID.
A new UUID is created and written. If a valid UUID already exists, it is not overwritten.
