Notice for 770X and 600E
Serial Numbers: When the computer was manufactured, the EEPROM on the system board was loaded with the serial numbers of the system and all major components.
The EEPROM contains the following serial numbers:
NOTE: SERUPDT.EXE is in the ThinkPad Hardware Maintenance Diskette Version 1.05 or a later version.
Each serial numbers is displayed with its device type.
Write down all the numbers except the system board serial number.
The device type designations for each serial number are as follows:
08: CPU card serial number
20: System unit serial number
38: DC-DC card serial number
40: System board serial number
78-7F: Hard disk drive serial number
NOTE: You can disregard the hard disk drive serial number.
To restore the serial numbers, do the following:
Universally Unique IDentifier (UUID)
The UUID is a 128-bit number uniquely assigned to the computer a production and stored in the EEPROM on the system board.
The algorithm that generates the unique number is designed to provide unique IDs until year A.D. 3400.
Consequently, 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:
CPU Card Replacement Notice 600E and 770X Only
You must restore the CPU card serial number to its original number, when the CPU card is replaced.
To save and restore the CPU card serial number, follow the above described Serial Number update instruction.
DC-DC Card Replacement Notice 600E and 770X Only
You must restore the DC-DC card serial number to its original number, when the DC-DC card is replaced.
To save and restore the DC-DC card serial number, follow the above described Serial Number update instruction.
Please see the LEGAL - Trademark notice.
Feel free - send a for any BUG on this page found - Thank you.