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Graphics cards question Direct x 10 / direct x 9

by tcantrelln / March 19, 2008 10:38 PM PDT

Considering upgrading my early PCI express card to newer. How can you tell in the reading of the specs if a card (Say an 8600 something) will work for Direct x 9? I figure that I'm going to give Vista a complete pass. So for right now direct x 10 is of no importance at all. TIA

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Yes, it supports both.
by R. Proffitt Forum moderator / March 19, 2008 10:51 PM PDT

So yes you can use said card on XP DX9.

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its backwards compatible.
by Nightmares0nwax / March 19, 2008 10:54 PM PDT
In reply to: Yes, it supports both.

DX is backwards compatible. meaning dx 10 cards will work with everyother version of DX below DX10. but having DX9 installed while using a DX10 card will cause problems.

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Sorry, I haven't found any truth to this.
by R. Proffitt Forum moderator / March 19, 2008 10:59 PM PDT

"but having DX9 installed while using a DX10 card will cause problems."

This is the issue. Not that there is any hardware or driver issue but the misinformation is abundant about using a dx10 capable card on XP which is only dx9.

Bottom line? It will work fine.
Bob

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