Category: <b>MS Windows</b>
<br>Flags: callout or callback (usually hooked rather than called)<p>
<pre><b>INT 2F - MS Windows - "V86MMGR" VIRTUAL DEVICE API</b>

	AX = 1607h
	BX = 0006h (VxD identifier of "V86MMGR")
	CX = 0000h
Return: AX = status
	    0000h if local A20 state changed
	    1607h if A20 unchanged
	    other if global A20 state changed
SeeAlso: AX=1607h"CALL OUT API"
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