Category: <b>no classification</b>
<p>
<pre><b>INT 21 - DESQ??? - INSTALLATION CHECK</b>

	AX = 30FFh
	CX = 4445h ("DE")
	DX = 5351h ("SQ")
Return: BH = 05h if installed
	???
Note:	called by DUBLDISK.COM v2.6; this function is not supported by
	  DESQview, so it may be for DESQview's precursor DESQ.
SeeAlso: AX=4404h"DUBLDISK"
</pre>