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How to plug more 20 usb device on 10.13 hackintosh

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ASUS Sabertooth Z87
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i7-4770K
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RX 560
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Hi there,

I have a difficult situation. Help !
Trying to build a hackintosh as audio station, my issue is to plugged 20 usb devices on it, including 2 usb audio interfaces and 2 more firewire audio interfaces. My situation turn to a bloodbath !!

Based on a SABERTOOTH (Asus Sabertooth z87 i7-4970K),
OSX (10.13.6) run well but I get a wall to face with usb/fireface issues.
Please could you enlight me on very good practice for ?!
Trying and trying with no success. I really need help !!

My situation is :
- Hackintosh with Asus Sabertooth z87 i7-4970K as IMAC 14,1 (Haswell)
- Usbinjectall done and limited to 9 internal mother port (usb2/usb3)
- 2 additionnal pcie cards installed (for 2 FIREWIRE ports and 6 usb ports)

Please help !!
Appreciate to solve that !

395411
 
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How about an external hub for all the things that dont require high speed USB - mouse/keyboard etc?
 
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Messages
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Motherboard
ASUS Sabertooth Z87
CPU
i7-4770K
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RX 560
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  1. iMac
Some peripheral need exlusive port, some have usb 1.0 speed, some 2.0 (hs), no one need 3.0 (ss).
Mouse and keyboard are connected on Bluetooth usb antenna. I make some group with usb hub then I can. But, I don’t understand some usb card pcie ports don’t work .. like a limitation ?
 
Joined
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Messages
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Motherboard
ASUS Sabertooth Z87
CPU
i7-4770K
Graphics
RX 560
Mac
  1. iMac
My 2 additional pcie cards are usb 2.0, one with 2 firewire800 ports, other 4 usb 2.0 ports.
Will try NEC kext.
 
Joined
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ASUS Sabertooth Z87
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i7-4770K
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RX 560
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  1. iMac
395475

Looks like a limitation.
If so, how assign additional Pcie usb ports to the correct way (lot of PR seems get all assignments) ?
What a fight !!
 
Joined
Aug 11, 2014
Messages
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Motherboard
ASUS Sabertooth Z87
CPU
i7-4770K
Graphics
RX 560
Mac
  1. iMac
My 2 additional pcie cards are usb 2.0, one with 2 firewire800 ports, other 4 usb 2.0 ports.
Will try NEC kext.
Thanks, installed.
Actually nothing change but I will tell if it is stable.
 
Joined
Aug 11, 2014
Messages
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Motherboard
ASUS Sabertooth Z87
CPU
i7-4770K
Graphics
RX 560
Mac
  1. iMac
Please, if somebody knows the good method to inject USB ports with AppleUSBEHCIPCI devices ?
Many thanks to any further help !

395486
 

Feartech

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Joined
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Messages
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Motherboard
ASUS Sabertooth Z87
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i7-4770K
Graphics
RX 560
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  1. iMac
@RehabMan :
Please, may I ask you to enlight me on the way to fix my issues (usb inject with AppleUSBEHCIPCI on a pci-bridge@0) ?

Many thanks !
 
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