iMacPro: HP 590-p0053w

Should also work on a HP 290-p0043w with a GT2 iGPU (i3 or better).

System Specs

• Display: Alienware AW3821DW (DisplayPort, 3840x1600@144Hz w/HDR)
• GPU: AMD RX 460 2GB (DP amd HDMI)
• CPU: Intel i7-9700
• RAM: G.SKILL Aegis 32GB (2 x 16GB) DDR4-3200 / F4-3200C16D-32GIS
• MOBO: HP Lincs (HP 590-p0053w)
  • WiFi: Fenvi T919 used in conjunction with a m.2 Key A/E to BCM94360CD ribbon adapter.
  • Ethernet: Realtek 8111
  • Audio Codec: ALC671
• Storage:
  • NVMe: Intel 660p 1TB PCle Gen3 x4

iServices

Status	Function
✅	Sleep
⁇	Handoff
⁇	Continuity
⁇	iMessages
⁇	AirPlay
⁇	FaceTime (Video and Audio) w/Logitech C920

DRM/Video functions

Status	Function	Details
✅	Video Acceleration
✅	Quicklook
⁇	Amazon Prime Video	Chrome
⁇	Amazon Prime Video	Safari
⁇	Sidecar	Black screen on iPad
⁇	Bluetooth - Audio In/Out	Beats Flex

USB/Audio Ports

Status	Function	Details
✅	RX 460 HDMI	3840x1600@144Hz
✅	RX 460 DP	3840x1600@85Hz
✅	iGPU HDMI	2560x1600@60Hz
❌	iGPU VGA
✅	Front Panel Audio	Out
✅	Rear Panel Audio	In/Out
✅	1/1 USB 3.1 Type-C	12/480/5000Mbps (Maybe 10Gbps, untested)
✅	4/4 USB 3.0	12/480/5000Mbps
✅	2/4 USB 2.0	2 disabled due to 15 port limit)
✅	3/3 SATA	6Gbps
❌	Front Audio	In - Headset
⁇	Rear Audio	In - Line In (Untested)

BIOS Version and Settings

BIOS Settings (Reset BIOS to Factory and apply the following):

• Device Options
  • NIC PXE Option ROM: Disabled
• Secure Boot Configuration
  • Legacy Support: Disabled
  • Secure Boot: Disabled
• System Security
  • TPM Disabled
  • SGX Disabled

Apple SMBIOS

• iMac 19,1

OpenCore Version

• 0.7.0

Installed Kexts

Kext	Release Date	Website
AppleALC.kext	2021-06-07	https://github.com/acidanthera/applealc/releases
CtlnaAHCIPort.kext	2020-08-22	https://github.com/dortania/OpenCore-Install-Guide/blob/master/extra-files/CtlnaAHCIPort.kext.zip
Lilu.kext	2021-05-03	https://github.com/acidanthera/lilu/releases
RealtekRTL8111.kext	2021-05-06	https://github.com/Mieze/RTL8111_driver_for_OS_X/releases
VirtualSMC.kext / SMCProcessor.kext	2021-06-07	https://github.com/acidanthera/virtualsmc/releases
WhateverGreen.kext	2021-06-07	https://github.com/acidanthera/whatevergreen/releases
USBMap.kext	Generated	https://github.com/corpnewt/USBMap

Screenshots

USBMap

    ----- XHC@14 Controller -----
[ ]  1. HS01 | AppleUSB20XHCIPort | 01000000 | 14100000 | Type 0
    BL-2
[#]  2. HS02 | AppleUSB20XHCIPort | 02000000 | 14200000 | Type 3
    F-2
[#]  3. HS03 | AppleUSB20XHCIPort | 03000000 | 14300000 | Type 3
    BR-4
[#]  4. HS04 | AppleUSB20XHCIPort | 04000000 | 14400000 | Type 3
    F-1
[#]  5. HS05 | AppleUSB20XHCIPort | 05000000 | 14500000 | Type 3
    BR-2
[#]  6. HS06 | AppleUSB20XHCIPort | 06000000 | 14600000 | Type 3
    BR-3
[#]  7. HS07 | AppleUSB20XHCIPort | 07000000 | 14100000 | Type 3
    SDCARD
[ ]  8. HS08 | AppleUSB20XHCIPort | 08000000 | 14200000 | Type 3
    BL-1
[#]  9. HS09 | AppleUSB20XHCIPort | 09000000 | 14300000 | Type 3
    BR-1
[ ] 10. HS10 | AppleUSB20XHCIPort | 0a000000 | 14400000 | Type 3
[#] 11. HS11 | AppleUSB20XHCIPort | 0b000000 | 14800000 | Type 3
    F-3
[ ] 12. HS12 | AppleUSB20XHCIPort | 0c000000 | 14500000 | Type 3
[ ] 13. HS13 | AppleUSB20XHCIPort | 0d000000 | 14600000 | Type 3
[#] 14. HS14 | AppleUSB20XHCIPort | 0e000000 | 14900000 | Type 255
    Internal
[ ] 15. USR1 | AppleUSB20XHCIPort | 0f000000 | 14700000 | Type 3
[ ] 16. USR2 | AppleUSB20XHCIPort | 10000000 | 14800000 | Type 3
[#] 17. SS01 | AppleUSB30XHCIPort | 11000000 | 14a00000 | Type 3
    BR-4
[#] 18. SS02 | AppleUSB30XHCIPort | 12000000 | 14b00000 | Type 3
    BR-3
[#] 19. SS03 | AppleUSB30XHCIPort | 13000000 | 14900000 | Type 3
    F-1
[#] 20. SS04 | AppleUSB30XHCIPort | 14000000 | 14d00000 | Type 3
    F-2
[ ] 21. SS05 | AppleUSB30XHCIPort | 15000000 | 14a00000 | Type 3
[ ] 22. SS06 | AppleUSB30XHCIPort | 16000000 | 14b00000 | Type 3
[#] 23. SS07 | AppleUSB30XHCIPort | 17000000 | 14e00000 | Type 3
    F-3
[#] 24. SS08 | AppleUSB30XHCIPort | 18000000 | 14f00000 | Type 3
    F-3

Set to retina panel scale down from superres:

brew tap jakehilborn/jakehilborn
brew install displayplacer
displayplacer list
  mode 223: res:3840x1600 hz:144 color_depth:8 <-- current mode
  mode 167: res:3840x1600 hz:144 color_depth:8 scaling:on

displayplacer "id:<id_here> mode:167"

displayplacer list
  mode 167: res:3840x1600 hz:144 color_depth:8 scaling:on <-- current mode
Execute the command below to set your screens to the current arrangement:
  displayplacer "id:<id_here> res:3840x1600 hz:144 color_depth:8 scaling:on origin:(0,0) degree:0"

Sanitization script

plistOriginal='/Volumes/EFI/EFI/OC/config.plist'
plistPath='/Volumes/EFI/EFI/OC/config-sanitized.plist'
cp -f "${plistOriginal}" "${plistPath}"

clearedFields=('SystemSerialNumber' 'SystemUUID' 'MLB' 'ROM')
for clearedField in ${clearedFields[@]}; do
  /usr/libexec/PlistBuddy -c "Set :PlatformInfo:Generic:${clearedField} 0" "${plistPath}"
done

/usr/libexec/PlistBuddy -c "Print :PlatformInfo:Generic" "${plistPath}"