Thinkpad Hardware Maintenance Diskette 1.76 Download - |link|

The ThinkPad Hardware Maintenance Diskette (often referred to as HMD or mdg1.76 ) is a diagnostic and low-level configuration tool created by IBM (and later Lenovo) for older ThinkPad models—primarily those from the late 1990s to mid-2000s (e.g., 600, T20–T43, R series, X20–X41, A series).