Reply To: OSSC + Pentium 233 MMX (VGA)

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July 25, 2018 at 6:23 AM #22588
James-F
Participant

    Here are my advanced timing setting for 400 mode for retro PCs with OSSC firmware v0.81.
    This will result in no overscan and will show in perfect 4:3 on a PC monitor (not TV) with HDMI input.
    Note that 400p mode is 70Hz and TV don’t like that at all, but PC monitors do.

    480p in sampler: VESA 640×480@60
    Allow upsample2x: On
    384p proc: Line2x
    480p/576p proc: Line2x
    TX mode: DVI

    640×400 (PC mode)
    —————–
    H. Samplerate : 700
    H. Synclength : 64
    H. Backporch : 52
    H. Active : 570
    V. Synclength : 2
    V. Backporch : 34
    V. Active : 400