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

[Kevin Ruland]

Xavier,

The patch did not help.  Any other ideas?

Kevin

On 7/17/2011 3:27 PM, Xavier Bachelot wrote:
> 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