Commit 1705 renames a particular LoL field CPULevel and adds a comment  
correctly claiming that MS-DOS sets this field to 1 on 386+ CPUs and to 0  
otherwise. The commit however makes the boot loader store the detected CPU  
level (0, 1, 2, or 3) there instead. I don't think it's necessary to use  
the field in an incompatible manner, and neither is the new 21.33  
subfunction that the commit adds, because no one uses it yet. Even so, the  
subfunction does not require using that particular field to store the  
detected CPU level.

C. Masloch

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