Thinkpad tablet hardware maintenance manualĨ3313100C_BR3D4_Disk_Storage_Unit_Maintenance_Manual_Jul75.pdf IBM thinkpad tablet hardware maintenance manual.pdf Thinkpad tablet hardware maintenance manual.pdf You can do lots of diagnostic tests on your laptop, including changing/correcting the serial numbers. This is the well sought IBM Maintenance Disk v1.72. Thinkpad Maintenance Disk v1.72 1.72 : Full Text Matches - Check > Do not enter dashes or spaces.Search results for: Thinkpad Maintenance Disk v1.72 1.72 (found: 78 regularSearch) ask for a document File "Read S/N data from EEPROM," the only three serial numbers that appear are:įor the T42 (and probably for other models also), when inserting the 14 digit system unit TypeModelSerialNumber into code 20, you must immediately precede the TypeModelSerialNumber with "1S", making it a 16 digit string. Once you get past the splash screen, you will come to one of the following menus, with the following main menu and sub-menu choices:įor Hardware Maintenance Diskette, ver 1.75, on ThinkPad T42, for menu item 1. Pressing "Esc" removes the computer's write protection, permitting you to change serial numbers, etc. IMMEDIATELY upon booting the computer, press "Esc" several times to make sure it takes. Insert the floppy disk you've just created into the floppy drive. Make sure your BIOS boot-up sequence is set up to allow you to boot from a USB floppy drive.ĭO NOT write-protect the floppy disk - this won't work if the floppy disk is write protected.
Then, you have to boot your ThinkPad from the floppy disk you've just created. Don't go too fast because, at the final screen, you must type "Y" before pressing Enter. You will have to press Enter several times as you read through 15 successive license agreement screens. I'd advise formatting the floppy disk before you do this in order to make sure it's error free. Note: If you don't have a legacy floppy drive A:\ in your ThinkPad, you WILL need to obtain and use a USB floppy drive.įirst, you need to extract the contents of the "Diskette" file onto a 1.44 MB 3½" floppy disk, which must be inserted into drive A:\.
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