[mythtv-users] modelines for an hdtv LCD

[Steve Hodge]

On 7/6/06, Nick Rout <nick at rout.co.nz> wrote:
> I am not sure why the modeline calculators do not give me the exact
> resolutions I want. For example trying to get an 852x480 @ 59.94:
>
> nick at www ~ $ gtf 852 480 59.94
>
> # 848x480 @ 59.94 Hz (GTF) hsync: 29.79 kHz; pclk: 31.46 MHz
> Modeline "848x480_59.94"  31.46  848 864 952 1056  480 481 484 497
> -HSync +Vsync
>
> Why does it go to 848 when i requested 852? And why doesn't X start at
> that resolution, when I specified that resolution in xorg.conf?

I think the answer to the first question is that the horizontal pixel
resoution must be a multiple of 8.

As for why X won't start, what does it say in the log?

Steve