[iyonix-support] Re: DVI on Iyonix

  • From: tennant@xxxxxxxxxxxxxxxxx (Tennant Stuart)
  • To: iyonix-support@xxxxxxxxxxxxx
  • Date: Wed, 7 Mar 2007 17:56:27 +0000

On Tue  6 Mar 2007 (11:13:18 +0000), Eric wrote:
>In article <2454166.055433-tennant@xxxxxxxxxxxxxxxxx>,
>   Tennant Stuart <tennant@xxxxxxxxxxxxxxxxx> wrote:
>> On Sun  4 Mar 2007 (18:21:09), Dave Ruck wrote:
>> >On 25 Feb 2007 Tennant wrote:
>
>> >> Now all I need is an MDF for 1366 x 768 at 60/70/75Hz.
>
>> >15 seconds with !MakeModes using a base mode of 1024x768.

>> Thanks Dave, but that doesn't work - the screen becomes a mess of
>> diagonal streaks, running from upper left to lower right. I guess
>> they're due to faulty timing parameters, part of what makes
>> !MakeModes so hard to use. :(

>Does it have to be 1366? I have found that x_res has to be a multiple
>of 8 otherwise I get diagonal effects (I have an early graphics card in
>case that makes a difference). So you could try 1368.

That's brilliant, Eric!

Changing every 1366 to 1368 (as shown below) results in a stable picture.

       # 1368 x 768 (60Hz)
       startmode
       mode_name:1368 x 768
       x_res:1368
       y_res:768
       pixel_rate:81455
       h_timings:136,64,60,1368,60,0
       v_timings:6,29,0,768,0,3
       sync_pol:3
       endmode

The screen quality was pretty good before, but now it's breath-taking, with
every pixel of the screen memory falling exactly onto one liquid crystal.

As a bonus, the aspect ratio is perfectly sorted out, with circular circles,
which I think answers the question of the original poster to this topic.

Many thanks to everyone for their help.


Tennant
-- 
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 _)(_)(_)||_)||_ ( )|_ /    Why does *he* get to use his name?
______________________/   tennant@xxxxxxxxxxxxx 




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