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AGP 4x on 8x Mainboard
icekin:
A friend recently left me his nice desktop, but its missing the video card. The mainboard is a Gigabyte GA-8IPE775. According to the specs, its needs a 8X video card, but I have another 4x lying around.
Are the mainboards backward compatible?
ChalkTrauma:
I do believe they are.. I was in a similar situation and used a 4x card in an 8x system. But you have to be careful about voltages.. check out the compatibility notes here Accelerated Graphics Port
icekin:
I plugged in the 4X video card and got no output. I know the card works somewhat since I tested it on another system. I'm guessing the board is probably busted. Does anyone know if a 8x video card will work on a 4x slot (i.e. is the card backward compatible as well)?
steeladept:
AFAIK it is supposed to be. AGP is supposed to be 100% compliant and the 'X' just identifies the bus size (read data throughput from what I have gathered). That said, the key word is 'supposed' because I have heard of compatibility issues before.
lanux128:
Does anyone know if a 8x video card will work on a 4x slot (i.e. is the card backward compatible as well)?-icekin (June 02, 2008, 09:09 PM)
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i have used an 8x card (nvidia) on a 2x board previously but i haven't tried the other way around.
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