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Problem with HD7970 and PCI -Extenders
04-06-2012, 01:01 PM (This post was last modified: 04-06-2012 01:03 PM by .::Rizwan::..)
Post: #11
RE: Problem with HD7970 and PCI -Extenders
Some, not all, motherboards use this mechanism to detect the presence of cards during POST. Down-plugging an x16 card in an x1 connector on these motherboards results in a system that does not boot or does not detect the card. The solution is to simply short pins A1 and B17 to do exactly what a real x1 card does.

Reference

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04-06-2012, 01:55 PM
Post: #12
RE: Problem with HD7970 and PCI -Extenders
Cool info, thanks.
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04-07-2012, 12:04 AM
Post: #13
RE: Problem with HD7970 and PCI -Extenders
(04-06-2012 09:50 AM)atom Wrote:  What is this jumpering about?

Is needed when sometimes does not work the card with riser cables. In this way will work. i think that 7970 will work with pci-e extender only if it is jumpered the bitcoin mining talk about same problem with their rigs.
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