Category: <b>video</b>
<br>Flags: Undocumented function<p>
<pre><b>INT 6D - Matrox Multiple Monitor Support v1.0 - INSTALLATION CHECK</b>

	AX = BD6Fh
	BL = subfunction
	    00h installation check
	    01h disable TSR
	    02h enable TSR (see AX=BD60h)
Return: AX = 00BDh if installed
SeeAlso: AX=BD60h,AX=BD61h,AX=BDFFh
</pre>