Hardware Maintenance Manual
Page 69
...same as the machine type of the system board. The machine does not need to it. 1. Reading or writing the ECA information Information on Engineering Change Announcements (ECA) are stored in the EEPROM. To write ECA information, select 1. Note: Only the ECA number is inoperable, this information... simplifies the procedure to check if the ECA has been previously applied to the new system. ThinkPad T400 and R400 (14.1-inch widescreen) 61 Read box build date from the old system board and transfer the information to a machine. Insert the...
...same as the machine type of the system board. The machine does not need to it. 1. Reading or writing the ECA information Information on Engineering Change Announcements (ECA) are stored in the EEPROM. To write ECA information, select 1. Note: Only the ECA number is inoperable, this information... simplifies the procedure to check if the ECA has been previously applied to the new system. ThinkPad T400 and R400 (14.1-inch widescreen) 61 Read box build date from the old system board and transfer the information to a machine. Insert the...