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Hello bright community! I have just got myself a WiFi card with Atheros AR3980 chipset (devID 168c,30 - Sub Ven 106b Sub Dev 009a), which I thought was supposed to work out of the box(?), as it's the same that Apple uses natively (checked the info.plist in AirportAtheros40.kext)(?) I plugged in the card, restarted, then tried to set it up in System Pref under Network by adding the device with the "+" but WIFI doesn't show up, only my 2x ethernet ports and bluetooth. In system profiler under PCI I just see this: pci168c,30: Type: Other Network Controller Driver Installed: No MSI: No Bus: PCI Slot: PCI Slot 7 Vendor ID: 0x168c Device ID: 0x0030 Subsystem Vendor ID: 0x106b Subsystem ID: 0x009a Revision ID: 0x0001 Link Width: x1 Link Speed: 2.5 GT/s When using Kextstat in Terminal it tells me that the corresponding kexts are loaded: 113 1 0xffffff7f82998000 0xe6000 0xe6000 com.apple.iokit.IO80211Family (1200.12.2) A08E69B1-9559-358F-A363-9083B344DA10 <112 50 22 8 7 6 5 4 3 1> 114 0 0xffffff7f82a7e000 0x14c000 0x14c000 com.apple.driver.AirPort.Atheros40 (700.74.5) 448A2423-55B3-3033-BE5F-CB19CB92D35E <113 50 12 7 5 4 3 1> In IOReg it shows to be connected under an odd tree/device/address - not the usual I have seen (RP0x etc) I have attached the IOReg file below. Do I need to edit my dsdt to make this work? I have attached my current DSDT as well. Oh, turning on dsdt mask for Lan and Wifi in clover also didn't work. Hitting a brick wall here. Thanks a lot for all your helpful comments and suggestions already! Atheros Issue IORegistry.zip DSDT.aml.zip