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Gigabyte Z390 M Gaming build with working NVRAM

pastrychef

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Joined
May 29, 2013
Messages
17,435
Motherboard
Gigabyte Z390 M Gaming
CPU
i9-9900K OC'd @ 5.0GHz
Graphics
Vega 56 (Bios flashed to 64)
Mac
  1. MacBook
  2. Mac Pro
Classic Mac
  1. iBook
  2. Power Mac
  3. PowerBook
Mobile Phone
  1. iOS
hey @pastrychef - how do you think this build would go/what do I have to consider if I dropped in a PowerColor Radeon RX 6900 XT Liquid Devil Ultimate 16GB RDNA 2?

If you install a compatible version of a NAVI21 card, it should work OOB as long as you are using macOS 11.4 or newer.

When purchasing a NAVI21 card, be careful and choose only XTX cards. XTXH and EXT cards are not currently working. However, some have reported successfully flashing the firmware on XTXH cards to get them working. IMO, just get one that works OOB...

Please see the following thread for more info:
 
Joined
Aug 7, 2018
Messages
31
Motherboard
Gigabyte Z390M Gaming
CPU
i9-9900K
Graphics
Vega 64
Mac
  1. MacBook Pro
  2. Mac mini
Mobile Phone
  1. iOS
If you install a compatible version of a NAVI21 card, it should work OOB as long as you are using macOS 11.4 or newer.

When purchasing a NAVI21 card, be careful and choose only XTX cards. XTXH and EXT cards are not currently working. However, some have reported successfully flashing the firmware on XTXH cards to get them working. IMO, just get one that works OOB...

Please see the following thread for more info:
Legend! Thanks for the advice and also the build! It's been a solid run on this for the past year!
 

pastrychef

Moderator
Joined
May 29, 2013
Messages
17,435
Motherboard
Gigabyte Z390 M Gaming
CPU
i9-9900K OC'd @ 5.0GHz
Graphics
Vega 56 (Bios flashed to 64)
Mac
  1. MacBook
  2. Mac Pro
Classic Mac
  1. iBook
  2. Power Mac
  3. PowerBook
Mobile Phone
  1. iOS
Clover EFI updated to r5136
  • Kexts updated to latest release versions

Opencore EFI updated to 0.7.0
  • Kexts updated to latest release versions


I highly suggest testing new EFIs from a USB flash drive before replacing your existing, working EFI. Also, it's a good idea to clear NVRAM a few times when moving to a new EFI.


Note:
Before you even ask, discussion of Developer Previews are not allowed on this forum due to them being under NDA.
 
Joined
Feb 15, 2019
Messages
203
Motherboard
Gigabyte Z390M
CPU
i5-8400
Graphics
RX 570
Mac
  1. MacBook Pro
Mobile Phone
  1. iOS
The Samsung 970 EVO Plus should be fine if you update the firmware.

The Samsung 970 Pro is one of the best.

I also have a Western Digital SN750 Black which is great.


I have Samsung 860 EVO, I was using it since December 2019 ///

If I take the SSD out and put it in a disk reader, it works normal, but not in computer ...

I will make some more tests and may be buy Samsung 970 Pro. if this solves my problems...



///

I ve tried both ports on the motherboard but no luck, can this be happening because of the firmware of the ssd drive...

I downloaded samsung 860 evo firmware for Mac /// should I update it on a pc


 
Last edited:
Joined
Feb 15, 2019
Messages
203
Motherboard
Gigabyte Z390M
CPU
i5-8400
Graphics
RX 570
Mac
  1. MacBook Pro
Mobile Phone
  1. iOS
I'm not sure what to do this point, I had this issue last year when I first builded my hack, it worked for a month or so, then, I can't boot or see the M.2 SATA drive in BIOS ... I can use the problematic Samsung 860 SATA with the USB enclosure device in my MacBook Pro... I'm not sure what to do? If the drive is bad, it shouldn't work with the USB device right? Should I buy another SATA NVMe drive? Or backup everything and try to update my current Samsung 860 Pro ?
 

pastrychef

Moderator
Joined
May 29, 2013
Messages
17,435
Motherboard
Gigabyte Z390 M Gaming
CPU
i9-9900K OC'd @ 5.0GHz
Graphics
Vega 56 (Bios flashed to 64)
Mac
  1. MacBook
  2. Mac Pro
Classic Mac
  1. iBook
  2. Power Mac
  3. PowerBook
Mobile Phone
  1. iOS
I'm not sure what to do this point, I had this issue last year when I first builded my hack, it worked for a month or so, then, I can't boot or see the M.2 SATA drive in BIOS ... I can use the problematic Samsung 860 SATA with the USB enclosure device in my MacBook Pro... I'm not sure what to do? If the drive is bad, it shouldn't work with the USB device right? Should I buy another SATA NVMe drive? Or backup everything and try to update my current Samsung 860 Pro ?

Might be a firmware issue.
 
Joined
Feb 15, 2019
Messages
203
Motherboard
Gigabyte Z390M
CPU
i5-8400
Graphics
RX 570
Mac
  1. MacBook Pro
Mobile Phone
  1. iOS
Might be a firmware issue.
I’ve got one WD SN750. I’ll try one clean install on it. Do I have to update this SSD, too ? I've checked their site. I have to find a PC to use Western Digital Dashboard software.
Did you do anything special to yours when you used it, pastry chef ??


Thank you.
All the best.
c
 

pastrychef

Moderator
Joined
May 29, 2013
Messages
17,435
Motherboard
Gigabyte Z390 M Gaming
CPU
i9-9900K OC'd @ 5.0GHz
Graphics
Vega 56 (Bios flashed to 64)
Mac
  1. MacBook
  2. Mac Pro
Classic Mac
  1. iBook
  2. Power Mac
  3. PowerBook
Mobile Phone
  1. iOS
I’ve got one WD SN750. I’ll try one clean install on it. Do I have to update this SSD, too ? I've checked their site. I have to find a PC to use Western Digital Dashboard software.
Did you do anything special to yours when you used it, pastry chef ??


Thank you.
All the best.
c

I never had to update the firmware on my SN750.
 

pastrychef

Moderator
Joined
May 29, 2013
Messages
17,435
Motherboard
Gigabyte Z390 M Gaming
CPU
i9-9900K OC'd @ 5.0GHz
Graphics
Vega 56 (Bios flashed to 64)
Mac
  1. MacBook
  2. Mac Pro
Classic Mac
  1. iBook
  2. Power Mac
  3. PowerBook
Mobile Phone
  1. iOS
I can't see my graphics card now it says ?? in about this Mac section...

That's cosmetic and doesn't affect performance or functionality.

You can change it to say anything you like. Please see the bottom of post #3 for instructions. Look for "How to populate System Information > PCI".
 
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