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PEXUSB312A2 (ASM2142 chipset) not recognized on Gigabyte X58A-UD3R Rev. 2.0

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Jan 7, 2011
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Motherboard
Gigabyte X58A-UD3R-FH-Clover
CPU
i7-950
Graphics
HD 5770
Mac
  1. iMac
Mobile Phone
  1. Android
I purchased this card to add some USB 3.2 (10 Gbps) ports to my aging system because it was supposed to be natively supported. I'm running High Sierra 10.13.4, yet my system doesn't recognize the card at all. I tried it in a PCIe 2.0 x16 slot and a PCIe 2.0 x8 slot. I even tried in Ubuntu 18.10 to see if it was an OSX issue and same thing.

Based off this post and this link (same chipset - No driver installation required on MacOS X 10.9 to 10.10, and 10.12 to 10.13, Windows 10, 8.1, 8, and Server 2012), I thought it'd work automatically.

About this Mac.jpegPCI.jpegUSB.jpegEFI.jpeg
 

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  • config.plist
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Can anyone help me with this? It works in my Maverick 10.9.5 installation, but not in High Sierra.
 
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