INT 21 - DOS 3.2 - IOCTL - SET LOGICAL DRIVE MAP

Input

 DOS1 N DOS2 N

DOS3.2

 Y DOS5 Y

Output

AX

 44h 0Fh Logical Drive Map / Error Code AX

BX

   Drive (0=Def)     BX

CX

         CX

DX

         DX

ES:DI

   Set if Error CF 
Logical Drive Map:      0 = Only one logical drive assigned
                     Else = 1=A, 2=B, etc.

Note:   Maps logical drives to physical drives, similar to DOS's
        treatment of a single physical floppy drive as both A: and B:

See Also 44h/0Eh


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