Category: <b>DOS extenders</b>
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<pre><b>INT 2F - DOS EXTENDER INSTALLATION CHECK</b>

	AX = F100h
Return: AL = FFh if DOS extender present
	    SI = 444Fh ("DO")
	    DI = 5358h ("SX")
Note:	supported or soon to be supported by Phar Lap, Rational, Ergo, and IGC
SeeAlso: AH=A1h,AX=ED00h,AX=FBA1h/BX=0081h,INT 15/AX=BF02h
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