Cannot flas Peladn rx 580 2048sp for Hackintosh

sarwar_tanvir

APPRENTICE
8 Tem 2023
20
6
21
I bought a cheap chinese Peladn rx 580 2048sp. It does not support macOS at all. But I found out that it is possible to make it work properly on macOS by either modifying its own rom then reflash the edited rom to make it an rx 570 or flash a compatible rx 570 vBios from the card of any reputed brand. I tried both of these methods but every time I go to flash the rom it shows an error "Failed to read rom ERROR: OFL01" and the flash stops immediately.

MY Specs:
Ryzen 5 7600
MSI B650M-B
Gskill TridentZ Neo 16GB 5600mhz
Peladn rx 580 2048sp
Thermalright 650 watts
 

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strangerone

MASTER YODA
Yönetici
MODERATOR
DENEYİMLİ ÜYE
9 Haz 2017
18,675
9,468
4,401
Son düzenleme:
BootLoader
OpenCore 1.0.7
Laptop Modeli
HP Pavilion 15-E
Anakart Modeli
Gigabyte H310M S2H
İşlemci Modeli
i3 3110M/ i3 8100
Grafik Kartı
Rx590 8GB/Rx6600xt 8GB/UHD630/HD4000
Ses Kartı Modeli
ALC887/ALC269
Ağ Aygıtları
Atheros9285 Usb Wifi TL722N RTL8111/RTL8100
Disk ve RAM
24GB DDR4 2300MHz/8GB DDR3 1600MHz

sarwar_tanvir

APPRENTICE
8 Tem 2023
20
6
21
use this
See topic
Master, I tried to flash your given Sapphir rx 570 rom. I was using Amdvbflash v2.93. But it was giving the same error "Failed to read ROM".
Then searching on google I found this post covering my model of GPU:
Here they used Amdvbflash v3.20. I thought Sapphire's rom can be flashed through this version, but here I found another error "SSID Mismatch". In this post they suggested editing the default 2048sp bios of the card. I made 3 changes on the bios and the card was detected as an Asus RX 580. So the bios flash was successful. I am adding the modded bios file for future reference:

I have successfully installed macOS Ventura with Windows 10. But I cannot boot to macOS without the installation usb. Also when I shut down the machine from macOS it automatically restarts after shutdown. I tried some fixes but did not work for both of these problems. Here is my EFI:
I previously installed macOS on the same system with RX 6700xt with NootRX.kext file. I just swapped NootRX for WhateverGreen. Everything else are same as of previous installation.
Also how can I improve it's performance? I saw typical RX 570's metal score is 40,000-50,000. I built it for video editing. I have plan to add a better GPU on it.
 

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strangerone

MASTER YODA
Yönetici
MODERATOR
DENEYİMLİ ÜYE
9 Haz 2017
18,675
9,468
4,401
Activate the Shanee patch at the end of the kernel/patch tab. Disable the Algrey patch on it. Test afterwards.
Ekran Resmi 2024-08-30 19.31.14.png
 
BootLoader
OpenCore 1.0.7
Laptop Modeli
HP Pavilion 15-E
Anakart Modeli
Gigabyte H310M S2H
İşlemci Modeli
i3 3110M/ i3 8100
Grafik Kartı
Rx590 8GB/Rx6600xt 8GB/UHD630/HD4000
Ses Kartı Modeli
ALC887/ALC269
Ağ Aygıtları
Atheros9285 Usb Wifi TL722N RTL8111/RTL8100
Disk ve RAM
24GB DDR4 2300MHz/8GB DDR3 1600MHz

sarwar_tanvir

APPRENTICE
8 Tem 2023
20
6
21

Ekli dosyalar

strangerone

MASTER YODA
Yönetici
MODERATOR
DENEYİMLİ ÜYE
9 Haz 2017
18,675
9,468
4,401
Disable
  • Fast Boot
  • Secure Boot
  • Serial/COM Port
  • Parallel Port
  • CSM
Problem GPU, Since VBIOS does not support UEFI, CSM has to step in. Search on Google "GOPUpd" (graphics card GOP update)
 
BootLoader
OpenCore 1.0.7
Laptop Modeli
HP Pavilion 15-E
Anakart Modeli
Gigabyte H310M S2H
İşlemci Modeli
i3 3110M/ i3 8100
Grafik Kartı
Rx590 8GB/Rx6600xt 8GB/UHD630/HD4000
Ses Kartı Modeli
ALC887/ALC269
Ağ Aygıtları
Atheros9285 Usb Wifi TL722N RTL8111/RTL8100
Disk ve RAM
24GB DDR4 2300MHz/8GB DDR3 1600MHz
  • Love
Tepkiler: sarwar_tanvir

sarwar_tanvir

APPRENTICE
8 Tem 2023
20
6
21
Disable
  • Fast Boot
  • Secure Boot
  • Serial/COM Port
  • Parallel Port
  • CSM
Problem GPU, Since VBIOS does not support UEFI, CSM has to step in. Search on Google "GOPUpd" (graphics card GOP update)
Here is what I am getting on GOPupd. Should I report it to their forum?
I think I can go with these two problems(Booting with usb and Shutdown). When it restarts after shut down I just turn off the machine from opencore bootloader. I am getting expected performance from it now. Metal result improved after activating shanee's patch. Thank you so much @strangerone master for your directions.
 

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