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Re: PCM5822 and video out....

From: Bryan Hurley <>
Date: Fri, 4 May 2001 13:43:04 -0400

Right, that is why the Private Eye P4 was 720xsomething..

Course 9x16 at 80x25 is 720x400..
	8x16 would give you 640x480.

Mainly, SVGATextMode should clear it up.

Bryan Hurley

On Fri, 4 May 2001, Kelly Yancey wrote:

> On Thu, 3 May 2001, Bryan Hurley wrote:
>
> >
> > 640x400 at 60hz should be what you are outputting in DOS mode... I
> > believe.. course it is character mode. Might be 640x480..
> >
>
>   Just FYI, VGA text mode (mode 0x03h) is actually 720x480. The character
> cells are 9x16 pixels each, so the standard 80x25 character screen is
> 720x480 pixels in size. I'm sure a suitable text mode exists for 640x480
> pixel resolution, but unfortunately I cannot think what it might be off
> the top of my head. :(
>
>   Kelly
>
> > there were 640x200, 640x400, 640x480 modes.. could be you are in something
> > other than 640x480...
> >
> > svgatextmode will let you lockin  the frequency and res to make it work
> > better though..
> >
> > Bryan Hurley
> >
> > On Thu, 3 May 2001, Carlos Mora wrote:
> >
> > > Is there a way to have the video output come out in that mode? If so,
> > > how do you set the PCM5822 to output in that mode? I am having the
> > > same problem with my wearable and a MicroOpticalCorp vga HMD where I
> > > can not see the console but blindly login and startx to get to where
> > > I can see the display. I am guessing but probably SVGATextMode may
> > > be the answer. I have not played with it yet.
> > >
> > > Carlos
> > > >
> > > >
> > > > are you outputting at 640x480 at 60hz? at least at 60hz? try that setting,
> > > > any color depth, and see if it clears up the display. I don't have a 5822
> > > > so I can't test, but I have a vga->ntsc scan converter, which only takes
> > > > 640x480 at 60hz, I tried running X-Windows as 320x240 and it was all
> > > > squiggly...
> > > >
> > > > The display is an NTSC LCD right? that is running off of 12v from the car?
> > > > should work..
> > > >
> > > >
> > > > Bryan
> > > >
> > >
> >
> > --
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> >
>

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