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2F4680

Category: MS Windows
Flags: Undocumented function

INT 2F - MS Windows v3.0 - INSTALLATION CHECK

	AX = 4680h
Return: AX = result
	    0000h MS Windows 3.0 running in real (/R) or standard (/S) mode,
		  or DOS 5 DOSSHELL active
	    nonzero  no Windows, Windows prior to 3.0, or Windows3 in enhanced
		  mode
Note:	Windows 3.1 finally provides an installation check which works in all
	  modes (see AX=160Ah)
SeeAlso: AX=1600h,AX=160Ah

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