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How to extend the iMac Pro to X99 [Successful Build/Extended Guide]

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Mar 7, 2011
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Asus Rampage V Extreme
CPU
i7 5820K
Graphics
RX5700XT
Classic Mac
  1. Performa
Mobile Phone
  1. iOS
Up and working OC on 10.13.6 on Hasswell-E with this performance path. Credits to @PMheart, @okrasit and @cfszs for finding this.

Also thank you kgb for helping us with iMacPro on x99, after porting my build to this SMBIOS it works flawlesly.

Code:
# performance fix for 10.13.6 (17G65)

# find
C1 E3 08 48 63 D3 89 D0 48 C1 EA 20 B9 99 01 00 00 0F 30 48 FF 05 79 B0 6B 00 48 83 C4 08 5B 5D C3 66 2E 0F 1F 84 00 00 00 00 00
# replace
BB 00 FF 00 00 48 63 D3 89 D0 48 C1 EA 20 B9 99 01 00 00 0F 30 48 FF 05 79 B0 6B 00 48 83 C4 08 5B 5D C3 90 90 90 90 90 90 90 90
@dMatik,
what FAKECPUID have you set for Haswell-E? Same for 10.13.5 and 10.13.6?
 
Joined
Mar 7, 2013
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92
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GA-X99M-Gaming 5
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i7-5820K
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RX560
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  1. iMac
  2. MacBook Pro
Mobile Phone
  1. iOS
hello,
quick run down of what I'm trying to get ironed out. I replaced my gtx 1050 for a rx 560. Now i can't boot into my 10.13 build.
Ive removed System parameters Option for Nvidia Web drivers. i tired updating the Lilu kext. I also set true on RadeonDeInit.
I tired Load Vbios option do to the xfx card. Still no luck. Any help you be great.
 
Joined
Jul 23, 2012
Messages
227
Motherboard
ASUS X99 AII
CPU
E5-2696 v3
Graphics
RX 560
Mobile Phone
  1. iOS
hello,
quick run down of what I'm trying to get ironed out. I replaced my gtx 1050 for a rx 560. Now i can't boot into my 10.13 build.
Ive removed System parameters Option for Nvidia Web drivers. i tired updating the Lilu kext. I also set true on RadeonDeInit.
I tired Load Vbios option do to the xfx card. Still no luck. Any help you be great.
XFX cards are problematic on osx but if I remember well you can flash them with sapphire rom .
I you can replace it with a Sapphire or Gigabyte would be the easy way to go.
You don t need to add anything to clover regarding the gpu only LILU AND WHATEVERGREEN kext .
Heres the threat about ati cards talk to these guys https://www.tonymacx86.com/threads/radeon-compatibility-guide-ati-amd-graphics-cards.171291/
 
Joined
Jul 25, 2012
Messages
6
Motherboard
hack
CPU
i7
Graphics
6870
Mac
Classic Mac
Mobile Phone
Up and working OC on 10.13.6 on Hasswell-E with this performance path. Credits to @PMheart, @okrasit and @cfszs for finding this.

Also thank you kgb for helping us with iMacPro on x99, after porting my build to this SMBIOS it works flawlesly.

Code:
# performance fix for 10.13.6 (17G65)

# find
C1 E3 08 48 63 D3 89 D0 48 C1 EA 20 B9 99 01 00 00 0F 30 48 FF 05 79 B0 6B 00 48 83 C4 08 5B 5D C3 66 2E 0F 1F 84 00 00 00 00 00
# replace
BB 00 FF 00 00 48 63 D3 89 D0 48 C1 EA 20 B9 99 01 00 00 0F 30 48 FF 05 79 B0 6B 00 48 83 C4 08 5B 5D C3 90 90 90 90 90 90 90 90

how can I get Broadwell-E 10.13.6 patch?

now I use this code
C1E30848 63D389D0 48C1EA20 B9990100 000F3048 FF0579B0 6B004883 C4085B5D C3662E0F 1F840000 000000
BB00FF00 004863D3 89D048C1 EA20B999 0100000F 3048FF05 79B06B00 4883C408 5B5DC390 90909090 909090

but don't works performance cpu. (my code not fast)

any guide link? or any code?
 
Joined
Jul 10, 2013
Messages
396
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Gigabyte X299X Designare 10G
CPU
i9-10900X
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RX 5500 XT
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  1. iMac
  2. MacBook Pro
  3. Mac Pro
Classic Mac
  1. eMac
  2. iBook
  3. iMac
  4. PowerBook
Mobile Phone
  1. Android
Up and working OC on 10.13.6 on Hasswell-E with this performance path. Credits to @PMheart, @okrasit and @cfszs for finding this.

Also thank you kgb for helping us with iMacPro on x99, after porting my build to this SMBIOS it works flawlesly.

Code:
# performance fix for 10.13.6 (17G65)

# find
C1 E3 08 48 63 D3 89 D0 48 C1 EA 20 B9 99 01 00 00 0F 30 48 FF 05 79 B0 6B 00 48 83 C4 08 5B 5D C3 66 2E 0F 1F 84 00 00 00 00 00
# replace
BB 00 FF 00 00 48 63 D3 89 D0 48 C1 EA 20 B9 99 01 00 00 0F 30 48 FF 05 79 B0 6B 00 48 83 C4 08 5B 5D C3 90 90 90 90 90 90 90 90
Is this code also valid for Broadwell-E CPUs? thanks in advanced
 
Joined
Jul 10, 2013
Messages
396
Motherboard
Gigabyte X299X Designare 10G
CPU
i9-10900X
Graphics
RX 5500 XT
Mac
  1. iMac
  2. MacBook Pro
  3. Mac Pro
Classic Mac
  1. eMac
  2. iBook
  3. iMac
  4. PowerBook
Mobile Phone
  1. Android
Don’t have the hardware to test it, XCPM was working for you on 10.13.5?
it was, then I updated to 13.6 and added new patch and no XCPM.. Shame, had to go back to 13.5 to get XCPM again.
How did you manage to get the new code for Hasswell-E from @PMheart?
 
Joined
Oct 11, 2016
Messages
77
Motherboard
ASUS X99 Deluxe
CPU
i7-5820K
Graphics
RX 580
Mac
  1. MacBook
Mobile Phone
  1. iOS
it was, then I updated to 13.6 and added new patch and no XCPM.. Shame, had to go back to 13.5 to get XCPM again.
How did you manage to get the new code for Hasswell-E from @PMheart?
@cfszs found it out on insanelymymac forum
 
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