Perhaps I'm trying to push my mobo too hard, but I think I have read that PCI-e 3.0 is back compatible to previous PCI-e specifications. But 3.0 into a 1.0, is it possibly asking too much?
I'm thinking about buying an AMD Radeon HD 7750. My mobo is an Asus p5g41-m le
Answer
Yes, PCIe 3.0 is backward-compatible with all prior PCIe implementations.
Reference Wikipedia: PCI Express
However, because PCIe 1.0 maxes out at 2.5 gigatransfers per second (GT/s) vs. PCIe 3.0's 8 GT/s, your video card may not perform as well as you would expect when installed in a PCIe 1.0 slot.
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