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2F1686

Category: DOS extenders

INT 2F - DOS Protected-Mode Interface - DETECT MODE

	AX = 1686h
Return: AX = 0000h if operating in protected mode under DPMI (INT 31 available)
	AX nonzero if in real/V86 mode or no DPMI (INT 31 not available)
SeeAlso: AX=1687h

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