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Silicon Motion SM722 Video Support
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rdescham
22 Post subject: Silicon Motion SM722 Video Support  PostPosted: Jan 28, 2008 - 01:15 AM
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Joined: Jan 28, 2008
Posts: 2
Hi,

I am running QNX on a cPCI SBC from Concurrent Technologies. This card uses a Silicon Motion SM722 video chip, and the SBC manufacturer claims a maximum video resolution of 1280x1024. But when I look in the video driver list under QNX, the support is only for 1024x768 or less. Is there anything I can do to help QNX recognize the higher resolution modes?

Thanks.

Bob
 
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micro
Post subject: RE: Silicon Motion SM722 Video Support  PostPosted: Jan 28, 2008 - 10:05 AM
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Joined: Jul 22, 2004
Posts: 317
Hi, we have a similar card and are running into the same problem. I tried configuring this manually, but the codeline won´t be accepted by Photon. We run 1280x1024 under QNX4, but QNX6 we still did not made it.
 
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rdescham
Post subject: RE: Silicon Motion SM722 Video Support  PostPosted: Jan 28, 2008 - 02:10 PM
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Joined: Jan 28, 2008
Posts: 2
I saw some description in the online documentation that you can use a configuration file to set the video resolutions with the io-graphics command. Is that what you are referring to? I was going to try that. The link is at:

http://www.qdn.com/developers/docs/6.3.2/neutrino/utilities//d/devg-smi7xx.so.html

Any other suggestions?
 
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