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Note2: When updating the system unit serial number, the information must be entered in the following syntax (All alphabetic characters need to be entered as CAPITALS): 1S20AC0018US12345678 where, “1S” precedes Type number, Model, and then Serial number. The total number of entered characters is 16. Main menu appears: Select #1 Set System Identification Hit Enter Personally, I like to remove the serial number from bios before updating, so Press #3 Type 20 or C0 depending on model Hit enter Select #1 Hit Enter Type in “20” or “ C0” for System Serial Number Hit Enter For Device type 20 machines, use Note 1 For Device type C0 machines, use Note2 Note1: When updating the system unit serial number, the information must be entered in the following syntax (All alphabetic characters need to be entered as CAPITALS): 1S26474AU78F12345 where, “1S” precedes Type number, Model, and then Serial number. Hit Escape Key at Thinkpad Screenĭiagnostic boot will appear. Maint Disk Useage NOTE : For systems that employ 7 digit model and type, use Type 20 For systems that employ 10 digit model and type use Type C0įailure to select the correct Device Type Model will result in failure of the Maint utility to correctly update the system-unit serial number _ Insert Floppy disk or USB memory key into machine being worked on. Right Click the executable and force executable to run in WinXp Compatability mode.

Green Arrow = End of Letter= Error message when attempting to run Floppy disk creation utility under Windows 7 Connect the USB memory key to the system.Ģ. Execute I7TM37US.EXE Red Arrow -How to make Maintenance Key: 1. File Extraction Double click the downloaded file and follow prompts:Ĭontents of Readme file FILE: README.TXT TITLE Make Maintenance Diskette and Maintenance Key -CAUTIONS : -RESTRICTIONS : -How to make Maintenance Diskette: 1. You will get and error message if attempted under Windows 7. The floppy disk creation utility can be run under Windows XP. The usb creation utility can be run under Windows XP and Windows 7. Thinkpad Maintenance Disk 1.89 Installation The maintenance disk version 1.89 can be created onto floppy disk media and USB memory key / flash drive media.