Category: <b>resident utilities</b>
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<pre><b>INT 2F - SETDRVER.COM v2.10+ - GET ORIGINAL DOS VERSION INFO</b>

	AX = E002h
Return: AL = FFh if successful
	    BH = major DOS version
	    BL = minor DOS version
	    CH = DOS version flag
	    CL = OEM number
	    DH = major DR DOS version number (FFh if unknown)
	    DL = minor DR DOS version number (FFh if unknown)
SeeAlso: AX=E003h,AX=E007h,INT 21/AH=30h
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