Guest Stairway Posted August 16, 2024 Posted August 16, 2024 I had been running my 7,1 Mac Pro with a single W6800X (non-duo) MPX card in slot 1. I added an RTX 3090 FE into slot 3, and connect the aux power connectors (2 x 8-pin). When I try to boot, the power supply amber light comes on, and the top amber light is flashing the code for "PCIe card error". Then I replace the slot 1 card with my W5700X MPX card, and the machine boots without issue. Before I start playing around with card swaps, I figured I'd ask here first --- does this sound like... Read more Source: MacRumors
Recommended Posts