ATI was going to bring out a physical bridge, but dropped their plans to do so (they originally expected PCIe cards to come out long before the slots [still almost did]). Even nVidia uses their HIS bridge chip (works for both AGP->PCIe and PCIe->AGP). So currently the bridges are integrated into either the card itself or the motherboard. And it appears that ATI has even dropped (for the near term) their plans at bridging their PCIe cards for AGP users, instead pointing people to the R9800PRO and X800 series as their Mid and Upper level solutions.
Too bad too, I was hoping for a bridge to mess around with future setups, but that's not going to happen it seems.
Missed this first time around;
BTW is the 6600GT considered a "Bridged" card?
Well that depends. There is the PCIe version of the GF6600GT, which is a PCIe chip on a PCIe card/form factor/interface. There is also the AGP version of the GF6600GT which uses the PCIe chip -> HIS Bridge Chip -> AGP interface. If you look at <A HREF="http://world.altavista.com/babelfish/trurl_pagecontent?lp=de_en&trurl=http://www.hardtecs4u.com/?id=1099615730,22462,ht4u.php" target="_new">this review of the AGP version</A> you can see the ship quite clearly between the GPU and the AGP interface. Also the GF6800PCIe is the opposite, it's an AGP GPU with a bridge chip to a PCIe interface.
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<P ID="edit"><FONT SIZE=-1><EM>Edited by TheGreatGrapeApe on 11/08/04 01:36 PM.</EM></FONT></P>