Category: <b>other operating systems</b>
<br>Flags: Undocumented function<p>
<pre><b>INT 21 - OS/2 v2.1 Virtual DOS Machine - GET LASTDRIVE</b>

	AH = 64h
	DX = 0003h (function number)
	CX = 636Ch (magic value, "cl")
	BX = 0000h (indicates special request)
Return: AL = highest drive supported
Notes:	if CX is not 636Ch on entry, INT 21/AH=6Ch is invoked, because a bug
	  in OS/2 1.x FAPI erroneously called AH=64h instead of AH=6Ch
	used by WinOS2
	not supported by OS/2 Warp 3.0, check list of lists instead (see <a href=../../it/27/16.html>#01627</a>)
SeeAlso: AH=52h
</pre>