[Openchrome-users] Troubles on Jetway J7F2WE1g5S with NTSC TV-out

[Xavier Bachelot]

On 07/09/2011 03:59 AM, kruland at sunflower.com wrote:
> Hi all,
> 
> I had had openchrome on VIA VB7001G just fine.  But the board overheaded and died.  I replaced it with a Jetway J7F2WE1G5S because it was mostly compatible with my older hardware (PCI card and analog TV).
> 
> I am running the versions of openchrome included in Ubuntu 10.10.  If you need accurate version numbers, just tell me where to look and I'll pull them out.
> 
> The BIOS is configured for NTSC TV, S-VIDEO, and CRT+TV output.
> 
> Jetway specs this board (http://www.jetway.com.tw/jw/ipcboard_view.asp?productid=271&proname=j7f2we1g5) as containing a CN700 and VT1622A.  It appears that all the hardware is correctly identified.
> 
> The console output looks very crisp and clean.  But I am having no ends of trouble getting good TV output in X.  If I have a monitor tied to the VGA plug, I can not get vertical sync on the TV.  (With the VIA board this was never an issue.)
> 
> I have tried each of the supported modes and have the following troubles:
> 
> 640x480 - generally good picture, but the colors are off and pulse slightly.
> 800x600 - syncs but the picture quality is very poor.  every other line is black like the interlacing is not working correctly.
> 720x480 - no v-sync
> 848x480 - no v-sync
> 1024x768 - no v-sync
> 800x600Over - no v-sync
> 720x484Over - no v-sync
> 720x484Noscale - no v-sync
> 
> Can you point me to how I can improve my experience?  attached are the xorg.conf and Xorg.0.log files when starting with 800x600 mode.
> 
> Thanks a bunch.
> 
> Kevin
> 
Does the attached patch help ?

Regards,
Xavier
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