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

Joined
Dec 21, 2019
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53
Motherboard
Gigabyte Z390 Designare iMac19,1
CPU
i9-9900K
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RX 5700 XT
Your memory is 3000MHz.

All memory above 2133 in BIOS is classed as overclocked, so that's the default. Above that, yes, your memory is fine although unwanted ejecting USB devices on wake-from-sleep may occur.
Thanks! So confusing with this in the compatibility list:

Skärmavbild 2021-06-27 kl. 13.46.31.png
 
Joined
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Gigabyte Z590 Vision D
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Interesting. What is the make/model of your 8GB DIMM, and its native speed?

I tried various combinations of 16GB DIMMs on my Z490 Vision D that is also running stock F5, but side effects disappear when only one 16GB module is installed. Haven’t tried 8GB modules exclusively on that system yet.
On my z490 box, I’m using 32 GB of Corsair vengeance rgb memory @ 3200 MHz. 8 GB DIMMs.
 
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Joined
Dec 13, 2013
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117
Motherboard
Gigabyte Z390 Designare
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i9-9900K
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RX 6900 XT
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  3. Mac Pro
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  1. iOS
Wow! So a Z390 Designare with 64GB of native 2666MHz memory has no side effects with AppleVTD!
  • Is XMP Profile 1 disabled?
  • Which version of BIOS is installed?
Will add your name and to “Experiment Update #3”.

Does anyone else have native 2666MHz memory??
Yes, I have 128GB of 2666MHz but haven't done any experimentation with the test BIOS.
 
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Gigabyte GA-Z170X Designare
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It’s certainly worth trying. However for @qthegaijin the problem was a total shutdown of USB ports, which was solved by enabling this checkbox.
Have you guys tried this on your builds yet? I am curious to see what changes you observe (if any). Main thing I noticed was now all my USB devices are listed out during verbose boot when it enumerates the USB. I have also noticed improved times for devices to mount, only by a small margin.
 

CaseySJ

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Motherboard
Gigabyte Z490 Vision D
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i5-10400
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RX 580
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Yes, I have 128GB of 2666MHz but haven't done any experimentation with the test BIOS.
Very cool! Is this with VT-d enabled and AppleVTD appearing in IOReg? WiFi and Ethernet still work with 128GB RAM?

Which 32GB module are you using?
 
Joined
Jun 6, 2020
Messages
58
Motherboard
Gigabyte Z390 Designare
CPU
i9-9900K
Graphics
RX 580
Very cool! Is this with VT-d enabled and AppleVTD appearing in IOReg? WiFi and Ethernet still work with 128GB RAM?

Which 32GB module are you using?
Which bios version ?
 
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Joined
Jan 1, 2020
Messages
511
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Gigabyte Z390 Designare
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i5-9600K
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RX 5700 XT
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  1. iMac
  2. MacBook Pro
  3. Mac mini
Update on Gigabyte Z490 Vision D:

With one 16GB DIMM (in A2) there are no side-effects with AppleVTD. Everything works.

View attachment 522980

These configurations were also tested, but they result in WiFi and Ethernet not connecting:
  • 16GB by 2
  • 16GB by 3
  • 16GB by 4
  • 16GB by 2 and 8GB by 2
Hello @CaseySJ

have you tried those DDR4 memory combinations with iMac20,1 SMBIOS ? It would interesting to have a Mac model correlation :)
 

CaseySJ

Moderator
Joined
Nov 11, 2018
Messages
17,275
Motherboard
Gigabyte Z490 Vision D
CPU
i5-10400
Graphics
RX 580
Mac
  1. MacBook Air
  2. MacBook Pro
  3. Mac Pro
Classic Mac
  1. Quadra
Mobile Phone
  1. iOS
Could you please check if you ram is in this Z390 Designare RAM compatibility official list

"2 DIMM: Supports one pair of modules inserted into the same color slots as one pair of Dual-channel memory configuration. Install the modules into DDR4_A2, DDR4_B2 for better compatibility."

I have one of models in the inner red box. Will get the exact part number. My primary Z390 Designare has four 8GB modules (all G.Skill).
I have the following 8GB G.Skill modules in my primary Z390 Designare:
  • F4-3200C16D-16GTZRX
This specific one is not on the list.
 

CaseySJ

Moderator
Joined
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Messages
17,275
Motherboard
Gigabyte Z490 Vision D
CPU
i5-10400
Graphics
RX 580
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  1. MacBook Air
  2. MacBook Pro
  3. Mac Pro
Classic Mac
  1. Quadra
Mobile Phone
  1. iOS
Hello @CaseySJ

have you tried those DDR4 memory combinations with iMac20,1 SMBIOS ? It would interesting to have a Mac model correlation :)
I just tried the following on Z490 Vision D:
  • Four 8GB G.Skill 3200MHz DIMMs taken from the primary Z390 Designare
    • WiFi and Ethernet do not work
  • Two 8GB G.Skill 3200MHz DIMMs (same ones) in A2/B2 slots
    • Everything works
  • Four 8GB TeamForce 3200MHz (Intel) DIMMs (TF1D48G3200HC16CBK)
    • WiFi and Ethernet do not work
Will turn off iCloud and switch to iMac20,1 soon...
 
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