Category: <b>disk I/O enhancements</b>
<br>Flags: Undocumented function<p>
<pre><b>INT 2F - IOMEGA DRIVERS - LOCK MEDIA IN DRIVE</b>

	AX = 5711h
	BX = program ID??? (0201h used by GUEST.EXE)
	DX = 496Fh ('Io')
Return: CF clear if successful (storage medium in drive)
	    AX = new lock count
	CF set on error (drive empty)
SeeAlso: AX=5700h,AX=5701h,AX=5710h,AX=5712h
</pre>