Pci express 2.0 card in pci express 1.0 x16 slot

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will nvidia 9400 gt run on pci express 1.0 x16 slot cos the specs says bus support is pci express 2.0 x16 slot & will it support ddr3 memory since the specs says memory support is ddr2 & will games like euro 2008 fifa 09 10 run smooth please help
 
PCI-E 2.0 is backward compatible with PCI-E 1.0,so you can use it on your motherboard.
About the memory,do you mean the VGA memory or RAM ? if its the VGA,then you can use a DDR2 VGA on a motherboard which supports DDR3 VGA's but if its for RAM,then you can use a DDR2 RAM on a DDR3 motherboard
 

rb2crens

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May 16, 2010
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maybe...
I planned to put a newly VGA (PCI-E 2.0) on my PC (only PCI-E 1.0)
For example : i put HD 5670 on my old (i buy it on 2006) motherboard..
Does it runs at normal speed? Is there'll be some Perf. impact? and does it require other power slot (i read somewhere that PCIE2 supplies more power than PCIE 1.0)??

Sorry for my looong question and my bad english