HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                  INT 21,44,F / IOCTL,F - Set Logical Drive

       AH = 44h
       AL = 0F
       BL = new drive number (0=default, 1=A:, 2=B:, 3=C:, ...)

       on return
       AX = error code if CF set  (see DOS ERROR CODES)
       AL = logical drive number (should be equal to BL input)
          = 0 if drive accessed by only one drive specifier
          = 1 if drive A:, 2 if drive B:, etc

       - changes the logical drive designator of the physical drive
         to be accessed next
       - implemented from DOS 3.2

Esc or Alt-X to exit int 21,44,f Home/PgUp/PgDn/End ←↑↓→
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