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

	AX = 1607h
	BX = 0018h (VMPoll VxD ID) (see <a href=../../it/42/26.html>#02642</a>)
	CX = 0000h
Return: AX = status
	    0000h if timeslice used
	    nonzero if timeslice not needed
Note:	when VMPoll makes this callout, all virtual machines are idle, and any
	  interested TSR can use the opportunity to perform background
	  processing
SeeAlso: AX=1607h"CALL OUT API",AX=1689h
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