I'm trying to run 2x gtx 1070 on an old Asus M4A87TD/USB3 for mining. I get the one using a PCIE Riser 1X to 16X working, but the one on the original PCIe 16x does not get recognized. When running only with it, i get the 1 long and 3 quick beeps at startup.... At the same time with an old Radeon HD 6770 series the PC boots up just fine - so its not a faulty slot.
Any ideas?
Any ideas?
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