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On board video ram allocation


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#1 OldPhil

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Posted 09 November 2010 - 05:31 PM

Looking for input on an idea I have! I have two machines with on board video, I believe OBV uses system ram which in turn "may" slow performance. My idea is I have a few video cards gathering dust that have there own memory, if I were to disable OBV and use a video card would that or would it not free up system ram. I am thinking of doing so on my Dell back up box, all input always appreciated!

Phil

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#2 Platypus

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Posted 09 November 2010 - 05:42 PM

Yes, with most systems that will be successful. If they're "old" video cards, it might be best to research their performance and features, to make sure they aren't in fact less capable than the onboard video. A few onboard video chipsets keep working alongside a second video card, but if this is so, it still might be possible to dramatically reduce the shared memory taken by the onboard (eg 256MB reduced to 32MB). Also some OBV dynamically allocates memory as required, usually there are no settings to alter how this works.
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#3 OldPhil

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Posted 09 November 2010 - 07:18 PM

Thanks I am thinking of trying an old 64 meg ATI card out of my stash of boxes, it had very good video I don't care much about video performance would rather the machine was perkier!

Phil

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#4 Platypus

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Posted 09 November 2010 - 07:45 PM

Fair enough. :)
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