epub3: azb.epub
The i7tm38us.exe file is a version 1.90 ThinkPad Hardware Maintenance Diskette utility used to update BIOS serial numbers and machine types after motherboard replacements, often addressing errors like 2200 and 2201. It requires creating a bootable USB and typically running in Legacy boot mode to properly EEPROM-program the necessary system information. For more information, visit Lenovo Support. AI responses may include mistakes. Learn more
Machine Type and Model (MTM): Identifies the specific hardware configuration.
The Lenovo Hardware Maintenance Diskette is the official utility designed to write this critical identification data back into the BIOS. The specific file i7tm38us.exe represents the installer for Version 1.90, which is widely recognized in the ThinkPad community as the most compatible version for creating bootable USB drives on modern Windows 10 systems. Key Features of Version 1.90 i7tm38us 1.90 version.exe download
Disable Secure Boot, as DOS cannot run with active Secure Boot signatures. 4. Inject the Serial Number Boot the ThinkPad from your prepared USB drive. Select Set System Identification from the main menu. Choose to add S/N data to the EEPROM.
Be Aware of Version Compatibility: Make sure the software version you're downloading is compatible with your operating system and meets your needs. The i7tm38us
Insert a small USB drive. The tool will format the drive into a FAT12 system to mimic a legacy floppy diskette.
Assigning Serial Numbers: When a motherboard is replaced, it comes "blank." This tool allows you to input the original serial number. AI responses may include mistakes
: This specific version (1.90) generally requires the system to be in Legacy Boot mode
