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RE: How To Build A GPU Mining Rig That Will Bring All The Boys To The Yard...
Boy that beats my shoe rack and milk crate. Any luck with cheap chinese port multipliers? i put one in last night because one of my mobo had only 5 ports...the fans all spun up but couldn't get it to recognize anything connected to it.
Ports? You mean the pci-e expanders? Like a 4-1 pci-e connector?
Which GPU's are you having the issue with?
yeah, i got one of these
https://www.aliexpress.com/item/NEW-blue-PCIe-1-to-3-PCI-express-1X-slots-Riser-Card-Mini-ITX-to-external/32813563093.html?spm=a2g0s.9042311.0.0.meOoLv
I had 4 GTX 1060s and a RX580 on a ubuntu machine. then i wanted to add another 580 using the adaptor as i only had 5 pci-e slots. they would spin and light up but could only see the ones connected directly to the board. i'll just use a new board and windows for the 580s instead.
You may just need more power to your motherboard. Try attaching the ATX power adapter from your power supply to the motherboard as well first.