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[SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

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Gigabyte Z390 Designare
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I ALWAYS had to have VT-d enabled to have a fully functioning VRS8 as well as a friend's Quantum on his machine. I use the Designare, he uses an Asus ROG Maximus IX with a Alpine Ridge AIC. A disabled VT-d in BIOS was NEVER an option for me on any system. This has been true since Clover versions 4XXX. I'm not sure if/how you got around this issue, but it may be key to having a working Antelope interface without VT-d enabled. A few posts back I referenced my experience with the VRS8 and point to a post that leads to another thread on this forum where @joevt was instrumental in helping me figure this out. That thread was started by and eventually abandoned by someone who owns a Persons Quantum but had similar problem and couldn't get it to work. Worth reading through the first 20 pages or so.
Will look for the post ´cause I’m curious but my 2626 (not the original Quantum TB2) works flawlessly.
 
Joined
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@luckyal ,

@loloduarte owns the TB2 Quantum, not the same as the Quantum 2626. The post referenced someone not being able to have a working Quantum, right? Strange indeed…

**EDIT: it looks they have problems but not on the same board. They are on Z170 and 270.

**EDIT #2: looking at this post: https://www.tonymacx86.com/threads/...io-interface-help.226705/page-10#post-1900936

In your specific case, VT-d was a must. In the case of the 2626, it looks, at least on Mojave, that VT-d isn’t needed for proper function.
 
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DAW Users: Knowing what you know now about these homebuilt OSX machines, if you could get a do-over, which interface (and method of connection) would you choose? Or would you simply save for a MP 7,1?
 
Joined
Jan 4, 2015
Messages
411
Motherboard
Gigabyte Z390 Designare
CPU
i7 9700K
Graphics
RX 560
Mac
  1. MacBook Pro
DAW Users: Knowing what you know now about these homebuilt OSX machines, if you could get a do-over, which interface (and method of connection) would you choose? Or would you simply save for a MP 7,1?
I had made a search before in this thread and I can't recommend enough the Quantum 2626. Plug'n'play with the Designare Z390.

No direct monitoring facilities though. One has to use a DAW (or AULab template) to be able to monitor the inputs. Lowest latency I had since my PCI days (Echo Mia and M-Audio AP2496).
 
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Joined
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@luckyal again:

Succeeded to implement VT-d following the advises (one missing variable found in your referenced thread here: https://www.tonymacx86.com/threads/...io-interface-help.226705/page-34#post-2192304 )

- VT-d enabled in BIOS
- dart=0 removed from boot args
- removed "drop DMAR" from Config.plist

However, it doesn't make any difference. The 2626 was working prior to that with really low latency and those changes bring nothing more. Interesting stuff however...
 
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No direct monitoring facilities though. One has to use a DAW (or AULab template) to be able to monitor the inputs.
BINGO! Any interface that uses direct monitoring (for low latency) and does not have onboard DSP will require VT-d.
 
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BINGO! Any interface that uses direct monitoring (for low latency) and does not have onboard DSP will require VT-d.
Is that just for Thunderbolt? Or would that include "non-Thunderbolt USB-C" interfaces and the RME-type DB-25 PCIe card systems?
 
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Hey @CaseySJ Have been following your experiments with VT-d. I thought I would give these settings a whirl on my Asus Hero X Z370 board with an i9-9900KS, and have some interesting results to share.

I enabled VT-d and Intel virtualization in the BIOS, removed dart=0, and unchecked disableiomapper in my Clover (latest version) config as well as taking out the drop DMAR table.

I'm able to still boot into Big Sur 11.4 and seem to have full network capabilities (only tested Wi-Fi which is an Apple Broadcom module on a PCI adapter) but that is working on 2.4 and 5GHz as well as Bluetooth. I can see my Ethernet port in system prefs but am unable to test a connection at the moment.

I have 64GB of Crucial Ballistix RAM which is still fully recognized. I run this just completely at stock without XMP enabled as it keeps voltages and temperatures way more friendly on the Z370 with the i9-9900KS dropped in.

From MacASL I now have the option of new DMAR which wasn't there before these changes, and also have AppleVTD in my IORegistry. Thunderbolt still seems functional using a Titan Ridge 1 flashed with the Designare NVM33 and jumped for power as I have no header on this motherboard.

Maybe this info will be helpful to you and your experimentation in someway. I will leave my rig like this for now and see if I notice any issues in day to day work and will let you know.
 

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Joined
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DAW Users: Knowing what you know now about these homebuilt OSX machines, if you could get a do-over, which interface (and method of connection) would you choose? Or would you simply save for a MP 7,1?
I really like Lynx Aurora(-n). Metric Halo ULN-8 or LIO-8. DAD AX32. Prism ADA-8XR. UA Apollo(the latest black 19-inch ones).
If you need just 1 interface and computer & interface are not far apart, TB is a good bet.
Otherwise Dante is great. For good results and really low latency you will want a PCIe Dante card in your Hack. That makes it a bit expensive. But Dante is very flexible, clocking is great, routing is easy, stability is top notch, tons of equipment with Dante, recommended.
 
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