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AX = 1688h BX = 0BADh
Return:
AX = 0000h if supported BX = alias selector for LDT
Note: Use the LSL instruction or GetSelectorLimit() to find LDT size. This call should be considered obsolete for Windows 3.1+, as the alias selector can be retrieved via the API entry point for "MS-DOS" retrieved from INT 2F/AX=168Ah (see #02720)
See Also: AX=1687h - #02720
Category: Windows - Int 2Fh - M

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