No output from sDVO DVI

Kevin Downey redchin at
Sun Jul 22 06:14:14 PDT 2007

On 7/22/07, Dave Airlie <airlied at> wrote:
> > > I have an lcd connected to the VGA out on the motherboard and a CRT
> > > using a dvi-vga adapter on the "primary" dvi out on the sdvo card.
> >
> wierd someone used a DVI-I connector on an SDVO card? or did you force
> the adapter somehow onto a DVI-D connector..
> > SDVO DVI cards are digital only, so a VGA adaptor won't work. You're
> > gettin EDID because (I think) the digital and analog DDC wires are the
> > same.
> >
> > I don't know if anyone makes VGA SDVO cards; I've never seen any,
> > although the SDVO spec allows for them.
> >
> I used to have one, they are just an SDVO DAC chip wired to a VGA
> connector, the same chip can also be used to drive tv-out which may
> mean the naming for it is mildly incorrect..
> Dave.
> this says they are DVI-I connectors.

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