Reply To: Having issues getting refresh rates over 60hz working at 640×480 on a Win9x PC.

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#57178
marqs
Participant

    You need to adjust sampling options, especially sampling rate. Start by setting 480p in sampler to VESA more. For 640×480@75, try setting H. samplerate to 840 in advanced settings and adjust H/V backporch to center the picture.