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Help needed to update an Ethernet kext for Mojave

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I have recently installed Mojave in my Acer V5-171 laptop. I have got everything working except my Ethernet.

My Ethernet is a Broadcom BCM57785.

Up until now it has always worked with an old kext (AppleBCM5701Ethernet.kext) in the plugin folder of IONetworkingFamily.kext.

If I put my old AppleBCM kext in the plugin folder of the Mojave IONetworking kext then Ethernet shows up in the networking prefpane but says the cable is unplugged even when it's connected. if I put in my old complete IONetworkingFamily.kext then Ethernet works properly but disables WiFi.

Could anyone take a look at my kexts and somehow cobble together something that will work for me?




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23 hours ago, Jake Lo said:

Try adding the VEN/PROD ID into the info.plist

What is the VEN/PROD ID of your device?

tried that and it didn't work although it was missing.

When I try adding the applebcm kext to the IONetworking I get a lot of dependency errors between the two when I try to rebuild the cache. It obviously needs more than just the id adding into the info.plist

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33 minutes ago, Jake Lo said:

What is the VEN/PROD ID of your device?

Ah, I think I misunderstood you. I have added this id to my config. <string>pci14e4,16b5</string> I think that's right. 

  Name: ethernet

  Type: Ethernet Controller

  Bus: PCI

  Vendor ID: 0x14e4

  Device ID: 0x16b5

  Subsystem Vendor ID: 0x1025

  Subsystem ID: 0x0743

  Revision ID: 0x0010

  Link Width: x1

  BSD name: en1

  Kext name: AppleBCM5701Ethernet.kext

  Location: /System/Library/Extensions/IONetworkingFamily.kext/Contents/PlugIns/AppleBCM5701Ethernet.kext

  mDNS offload capable: b8:88:e3:ac:da:a7

  Version: 3.6.9b2

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