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Message-ID: <49bf44f10609150846v3657860al8a87101f7809c87b@mail.gmail.com>
Date: Fri, 15 Sep 2006 08:46:46 -0700
From: Grant <emailgrant@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Outputing 15.9kHz?
In-Reply-To: <20060915161458.7b750fa0.hilse@web.de>
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> (sorry, must have overlooked your last answer...)
>
> On Thu, 14 Sep 2006 01:32:36 -0700 Grant <emailgrant@gmail.com> wrote:
>
> > I always seem to get hsync out of range errors trying to go this low.
> > I guess my card can't go as low as necessary.
>
> Argh, my failure. I must have read "19.5 kHz" instead of 15.9 kHz, so
> try a HorizSync of 15-16.
>
> The exact frequency can probably be calculated from the modeline:
>
> Modeline "736x485i" 14.16 736 760 824 904 485 491 496 525 interlace -hsync -vsync
>
> would be
>
> 14.16MHz / 904 "virtual line lenght" = 15,66 kHz
>
> I've also read values like 14.35 MHz for the pixel clock.
>
> The i810 should work for pixel clock frequencies >= 9,5 MHz (the driver
> sources tell that), so it *should* work.
It doesn't seem to want to go below 26, plus the source specifically
says interlacing is not supported. I tried it with a couple other
video cards I have with the same results as far as the sync.
I really appreciate your help, but I'm going to go ahead return the
9a60 and get an HDTV.
- Grant
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