Int 2F/AX=4680h

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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)

See Also: AX=1600h - AX=160Ah

Category: Windows - Int 2Fh - M

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