[mythtv-users] Idea for possible workaround to stop bogus EDID data

[Christopher David Petersen]

On 10/11/07, Daniel Arfsten <darfsten at hotmail.com> wrote:
> I have a Olevia LT26HVE LCD TV, that I believe is providing
> bogus EDID
> information to my video card (xdpyinfo reports the screen size
> as
> 40x30mm: wrong size, wrong aspect ratio).
>
> Assuming that the LT26HVE is dumping bogus EDID, how crazy would
> it be
> to break off pins 6 and 7 on my DVI cable?
>
> According to
> http://www.interfacebus.com/Design_Connector_Digital_Visual_Interface_DVI_Bus.html
> pins 6 and 7 are  DDC Clock [SCL] and DDC Data [SDA],
> respectively. I
> believe EDID information is transmitted on the DDC.
>
> Does anybody know what else is transmitted on the DDC?
>
> Would that stop the bogus EDID? Would my TV freak out? Would my
> computer catch fire?
>
> Has anyone else tried it? I'm happy to sacrifice a DVI cable,
> but not
> happy to sacrifice a computer or LCD TV.
>
> Just how crazy is this idea?
>
>
> RE below:
>
> How about just using an option within your xorg.conf which ignores the EDID
> data from the monitor? I forget what it's called but I know I have read
> about it.
>
> Daniel
>
>
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I haven't found the option for SiS drivers to ignore the EDID data.
nVidia drivers have Option "UseEDID" "FALSE".

If you know the SiS driver option that ignores the EDID, I'd be really happy.

Thanks,

Chris.