I just bought a Radeon 9800 Pro AIW and installed it in a Syntax s648 motherboard (http://www.syntaxusa.com/catalog/product_info.php?products_id=109), and it works fine except that I can't get it the AGP up to 8x. I've updated all the drivers as well as the bios but I still can't get it. I know my motherboard supports 8x, but I can't find any options for it in the bios.

it will be in the bios.. it will be in there somwhere.. you may of over looked it, see if you can spot 4X anywhere

Have you tried the ATI control panel?

Regardless, there is hardly any performance difference between AGP4X and AGP8X.

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