[mythtv-users] pvr-250 video resolution, quality, stability

[Jarod C. Wilson]

On Jan 5, 2004, at 15:39, michael brown wrote:

> From: "David Rees" <drees at greenhydrant.com>
>> I'm using a Via KM266 motherboard.  One of the FAQs suggests that
>> various Via chipsets chan't handle lots of DMA throughput.
>>
>> http://ivtv.writeme.ch/tiki-view_faq.php?faqId=1#q33
>> http://ivtv.writeme.ch/tiki-view_faq.php?faqId=1#q25
>>
>> I'm not convinced that it's a Via motherboard issue as I have never 
>> seen
>> any other reports of other peripherals which also use heavy DMA access
>> (IO controllers, ethernet controllers) blame problems on the chipset. 
>> I
>> suspect there are still issues in the ivtv drivers.
>
> I have seen more than one VIA based socket-370 motherboard that 
> couldn't
> handle driving a TV capture card full screen without tearing and
> dropping many frames.  The data path between the PCI capture card and
> the AGP bus was apparently restricted when compared to Intel.  New
> drivers, bios, and everything else I could think of would not fix it.  
> I
> finally swapped the boards for i815 based and viola, everything's
> perfect.

For what its worth, I've got an MSI KM2M Combo-L micro-ATX board that 
uses the KM266 chipset, and it was rock-solid with a PVR-250. (I've 
since replaced it with an nForce2 board, but not because of stability 
reasons). Its one of those ymmv things... :-\

-- 
Jarod C. Wilson, RHCE

Got a question? Read this first...
     http://catb.org/~esr/faqs/smart-questions.html
MythTV, Fedora Core & ATrpms documentation:
     http://wilsonet.com/mythtv/
MythTV Searchable Mailing List Archive
     http://www.gossamer-threads.com/archive/MythTV_C2/
-------------- next part --------------
A non-text attachment was scrubbed...
Name: PGP.sig
Type: application/pgp-signature
Size: 186 bytes
Desc: This is a digitally signed message part
Url : http://mythtv.org/pipermail/mythtv-users/attachments/20040106/97db7a68/PGP.pgp