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This line is used GRADD based graphiccard drivers. It controls if your monitor capabilities should be read with the Display Data Channel (DDC) or not.

SET Vcfg_No_DDC=value

Parameters:

Value can be True or False . If set to False or the variable is not set up, than will the graphiccard driver use DDC to read the monitor capabilities.

Platform Support:

OS/2 2.x	OS/2 3.0	OS/2 4.0
No	Yes	Yes