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AX = 4408h BL = drive number (00h = default, 01h = A:, etc)
Return:
CF clear if successful AX = media type (0000h removable, 0001h fixed) CF set on error AX = error code (01h,0Fh) (see #01680 at AH=59h/BX=0000h)
Notes: In addition to the normal operation, if Stacker is installed, this call also sets the volume number at offset 58h in the Stacker device driver (except under DR DOS 3.41-5.0, which do not pass through this call to the driver; use AX=440Eh instead) (see AX=4404h"Stacker",AX=440Eh,INT 25/AX=CDCDh). This function was not supported by Digital Research's DOS Plus
See Also:
AX=4400h - AX=4404h"Stacker" - AX=4409h - INT 2
Category:
DOS Kernel
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Int 21h
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D
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