Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
          INT 21,1F - Get Pointer to Current Drive Parameter Table          
                               (Undocumented)                               
                                                                                
                                                                                
        AH = 1F                                                                 
        DL = drive number (0=default, 1=A, ...)                                 
                                                                                
                                                                                
        on return:                                                              
        AL = 00  DS:BX is pointer to drive parameter table  (DPT)               
             FF  drive does not exist                                           
        DS:BX = pointer to drive parameter table (DPT) if AL=0                  
                                                                                
                                                                                
        - the format of the DPT varies between DOS versions                     
        - calls INT 21,32 with DL=00 for DOS version 2.x+                       
                                                                                
 

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