Just to follow up, the 8400GS (PCI-e 2.0) works fine in the IP35-E. I confirmed with PowerColor tech support that the 5450 is incompatible with many PCI 1.0 and 1.1 motherboards. It begs the question: What is the point of a budget PCI-e 2.1 video card? The main market for such a card would be...
Through additional searching I've also found reports of PCI 2.1 and 3.0 cards working in the Abit IP35-E. My conclusion is that compatibility is hit-or-miss. It seems to depend on the individual card and motherboard combination. I've found several reports of the HD 5450 not working with PCI-e...
I just found another thread here reporting the same problem: same PCI-e 2.1 card will not work on a board with PCI-e 1.0.
http://forums.anandtech.com/showthread.php?t=2166093
This seems to be a little-known compatibility issue.
The 5770 is PCI-e 2.0. According to the PCI-e Wiki, 2.0 cards generally work with 1.0 and 1.1 slots. However, 2.1 cards have compatibility issues with 1.0 and 1.1 slots. BIOS updates are often required to make 2.1 cards work with motherboards using PCI-e 1.0 or 1.1.
That's what I always...
Sorry for the bump, but it seems this is the best place to ask my question. Can anyone tell me if any of the IP35-E BIOS versions added support for PCI-e 2.1? I recently purchased a Radeon HD 5450 intending to use it with my IP35-E, but it turns out the board won't POST (no video signal) with...
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