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Gigabyte GA-H97N-WIFI: graphics and BT issues under El Capitan


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My Build

  • CPU: Intel Core i7-4790S Processor (HD4600 Graphics)
  • Wifi / BT: AzureWave Broadcom BCM94352HMB/BCM94352 802.11/ac/867Mbps WLAN + BT4.0 Half Mini PCI-E Card
  • No DSDT
  • SSDT generated by ssdtprgen


  • Glitchy screen when boot Clover -- This isn't a big concern, just thought I would point it out if it helps troubleshoot.



  • DVD Player: Everything support except: HD Unsupported


  • Bluetooth works but won't discover any devices.



  • Clover EFI w/out themes 

Custom kexts:

AppleHDA.kext (Audio works)


System Report:

Software Versions:

  CoreWLAN: 11.0 (1101.20)

  CoreWLANKit: 11.0 (1101.20)

  Menu Extra: 11.0 (1121.34.2)

  System Information: 12.0 (1100.2)

  IO80211 Family: 11.1 (1110.26)

  Diagnostics: 5.1 (510.88)

  AirPort Utility: 6.3.6 (636.5)



  Card Type: AirPort Extreme  (0x14E4, 0x62E)

  Firmware Version: Broadcom BCM43xx 1.0 (

  MAC Address: 30:10:b3:94:2a:7b

  Locale: FCC

  Country Code: US

  Supported PHY Modes: 802.11 a/b/g/n/ac

  Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 132, 136, 140, 144, 149, 153, 157, 161, 165

  Wake On Wireless: Supported

  AirDrop: Supported, Channel 149

  Status: Connected

  Current Network Information:

FBI Surveillance :

  PHY Mode: 802.11n

  BSSID: f8:35:dd:d2:68:f6

  Channel: 1

  Country Code: US

  Network Type: Infrastructure

  Security: WPA2 Personal

  Signal / Noise: -66 dBm / -81 dBm

  Transmit Rate: 52

  MCS Index: 5

  Other Local Wi-Fi Networks:


  PHY Mode: 802.11n

  BSSID: 10:0d:7f:db:13:96

  Channel: 6

  Network Type: Infrastructure

  Security: WPA/WPA2 Personal

  Signal / Noise: -74 dBm / 0 dBm


  PHY Mode: 802.11n

  BSSID: 28:c6:8e:7b:dd:8c

  Channel: 153

  Network Type: Infrastructure

  Security: WPA2 Personal

  Signal / Noise: -87 dBm / 0 dBm

cc_club HD:

  PHY Mode: 802.11n

  BSSID: 00:19:9d:34:4b:cc

  Channel: 48,-1

  Network Type: Infrastructure

  Security: WPA/WPA2 Personal

  Signal / Noise: -84 dBm / 0 dBm



  Apple Bluetooth Software Version: 4.4.5f3 17904

  Hardware, Features, and Settings:

  Name: Stoli

  Address: 18-CF-5E-4C-6C-8F

  Bluetooth Low Energy Supported: Yes

  Handoff Supported: Yes

  Instant Hot Spot Supported: Yes

  Manufacturer: Broadcom

  Transport: USB

  Chipset: 20702A3

  Firmware Version: v14 c5589

  Bluetooth Power: On

  Discoverable: On

  Connectable: Yes

  Auto Seek Pointing: On

  Remote wake: Off

  Vendor ID: 0x04CA

  Product ID: 0x200B

  HCI Version: 4.0 (0x6)

  HCI Revision: 0x15D5

  LMP Version: 4.0 (0x6)

  LMP Subversion: 0x220E

  Device Type (Major): Computer

  Device Type (Complete): Mac Desktop

  Composite Class Of Device: 0x380104

  Device Class (Major): 0x01

  Device Class (Minor): 0x01

  Service Class: 0x1C0

  Auto Seek Keyboard: On


  Bluetooth File Transfer:

  Folder other devices can browse: ~/Public

  When receiving items: Accept all without warning

  State: Disabled

  Bluetooth File Exchange:

  Folder for accepted items: ~/Downloads

  When other items are accepted: Save to location

  When receiving items: Accept all without warning

  State: Disabled

  Bluetooth Internet Sharing:

  State: Disabled

  Incoming Serial Ports:


  RFCOMM Channel: 3

  Requires Authentication: No



Intel HD Graphics 4600:


  Chipset Model: Intel HD Graphics 4600

  Type: GPU

  Bus: Built-In

  VRAM (Dynamic, Max): 1536 MB

  Vendor: Intel (0x8086)

  Device ID: 0x0412

  Revision ID: 0x0006



  Resolution: 1920 x 1080 @ 60 Hz

  Pixel Depth: 32-Bit Color (ARGB8888)

  Display Serial Number: H9NS210149  

  Main Display: Yes

  Mirror: Off

  Online: Yes

  Rotation: Supported



I've been reading all over about how to configure the BCM94352HMB to work with El Capitan / Clover. The information out there is confusing and sometimes seems contradictory.  Maybe I've double up on custom kexts and clover patches.  I don't know.  


The graphics seem fine.  Also WIFI seems to work fine too.  My biggest concern is Bluetooth.  I've had this same card in a E6540 with some help from Jake Lo and not had issues, so I'm somewhat familiar with it.  Before you tell me to read some post, I can tell you I've pretty much read everything and tried about everything.  I would appreciate clear instructions. I would prefer clover kext patching over actual customized kexts.   Also I'm not sure if I did the audio correctly but I got it working it appears.  You can see from my post that I have kext patching in clover's config.plist.  


Also, I have deleted com.apple.Bluetooth.plist may times too.  


Thanks anyone who can help. 



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Oh and I should mention:

  • El Capitan 10.11.5
  • The bluetooth devices I've tried to connect to will connect to other Hacks I've built as well as my iPhone.
  • Bluetooth works with a GHS2 Bluetooth 4.0 USB Adapter on my machine, but the BCM94352HMB won't

Thanks everyone!!!


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A few more things.  I'm a software developer by trade mostly Java based.   I'm familiar with C type block structure syntax.  I'm also familiar with XML, both very well.  I don't understand this when it refers to downloading config-bcm94352-... and applying three patches.  What three patches are we referring too?  Also since the syntax is block structure in the file and my clover config.plist is XML format, how do I paste this in?  

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in the read me on that link you posted it says to click raw to download your second link it should download a clover config plist. you add those settings into your own config plist. the ones stated in the read me file for your hardware. you can use plisteditpro app or Xcode or clover config app to modify your clover config file.

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Thanks for the tip.  I didn't realize you could load that type of file in Clover config app.  I did that and pasted the kext patches, but still no go.  It is active, just not discovering.  Also if I enable Airport Fix in clover I get a KP on boot up.  Oh well, if nobody has any ideas I guess I'll just use the GHS2 USB adapter.

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I'm sorry, I'm not sure what you mean?  I think WIFI is fine (maybe I'm wrong), but it show 802.11 a/b/g/n/ac and country code US so I assume I'm okay there if that is what you are referring too.  Its just that Bluetooth doesn't discover any devices.  That's the issue I was trying to sort out.

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ahh the BT. yeah i have not tried using the bt on the DW1550 card my laptop does not have the usb header pins on the motherboard to enable the module. have you tried dineshes BT firmware uploader kext its on this forum.

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I poked around and some other forums and it was said to try the original antenna that came with the MBO.  I'm using different antenna I bought on Amazon.  I'll see if I can dig up the original antenna tonight and try it and post back the results. 

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Can't find the original antenna so I ordered a set that should work for WIFI and BT.  I'll have it by Wednesday night.  I'm pretty sure that what the BT problem is because I tried it again by putting the device right up next to the card as close as I could and it discovered it.  No range, but that's not the software, has to be antenna.

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