Article ID: 102058 - View products that this article applies to.
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The following MS-DOS application program interface (API) functions are not supported with Windows NT:
- INT21H/44h IOCTL subfunction 05,0dh - INT 21H function 52h (undocumented) - offset 12H (pointer to DISK buffer information) is NULL in Windows NT DOS (for this reason INTERLNK.EXE from MS-DOS 6 doesn't work in Windows NT). - INT21H/53h SetDPB - INT13H all subfunctions for hard disks - INT13H following subfunctions for floppy disk drives: 09-14h, 19h-1ah - INT15H: 0-3,0fh,21h,23h,80h-82h,84h,85h,89h,90h,91h,c1h,c2h,c3h,c4h - INT18H (basic) - INT2F following subfunctions AX= 0101h,4b01h,4b02h,4b03h,4b04h,1502,1503,1504,1505,1508,150e,150f - INT33 (mouse) Ax=10h, Ax=27h-40h. - INT67 (EMM) AH=DEh (all subfunctions, VCPI) - task switcher APIs