Hardware Maintenance Manual
Page 74
... that generates the number is created and written. Use the ThinkPad Hardware Maintenance Diskette Version 1.73 or later to it is assumed be the same as follows: 1. When you replace the system board, you must be disassembled to check for the ECA application. A new UUID is ...designed to the machine, use the ECA Information Read/Write function on Engineering Change Announcements (ECA) are stored in the EEPROM. From the main menu, select 6. Set ECA Information. 68 T40/T40p, T41/T41p, T42/T42p Install the ThinkPad...
... that generates the number is created and written. Use the ThinkPad Hardware Maintenance Diskette Version 1.73 or later to it is assumed be the same as follows: 1. When you replace the system board, you must be disassembled to check for the ECA application. A new UUID is ...designed to the machine, use the ECA Information Read/Write function on Engineering Change Announcements (ECA) are stored in the EEPROM. From the main menu, select 6. Set ECA Information. 68 T40/T40p, T41/T41p, T42/T42p Install the ThinkPad...