Contribute
Register

Random freezes in Hackintosh Catalina 10.15.1 Z390 ud & i9-9900K & Sapphire Nitro+ Radeon RX 580 8GB & Crucial Ballistix Tactical 16GB*2 3000Mhz CL15

pastrychef

Moderator
Joined
May 29, 2013
Messages
12,270
Motherboard
Gigabyte Z390 M Gaming
CPU
i9-9900K OC'd @ 5.0GHz
Graphics
Radeon VII
Mac
MacBook, Mac Pro
Classic Mac
iBook, Power Mac, PowerBook
Mobile Phone
iOS
Joined
Jul 13, 2016
Messages
1,435
Motherboard
ASUS ROG STRIX Z370-F
CPU
I5-8600K
Graphics
RX580
Mac
Mac mini, Mac Pro
Mobile Phone
iOS
I say go all the way down to 2133MHz during troubleshooting.
My suggestion of 2666 was because that is the stock speed of most memory in most new Macs.
 

pastrychef

Moderator
Joined
May 29, 2013
Messages
12,270
Motherboard
Gigabyte Z390 M Gaming
CPU
i9-9900K OC'd @ 5.0GHz
Graphics
Radeon VII
Mac
MacBook, Mac Pro
Classic Mac
iBook, Power Mac, PowerBook
Mobile Phone
iOS
My suggestion of 2666 was because that is the stock speed of most memory in most new Macs.
I suggested 2133MHz because a lot of the high speed RAM that's sold is actually just overclocked Samsung 2133MHz RAM.
 
Joined
Sep 9, 2015
Messages
129
Motherboard
Gigabyte Z390 UD
CPU
i5-9600K
Graphics
RX 580
Mac
iMac, MacBook Air, Mac mini, Mac Pro
Mobile Phone
iOS
I suggested 2133MHz because a lot of the high speed RAM that's sold is actually just overclocked Samsung 2133MHz RAM.
i had random crashes too, this post saved my life, @2133 my mobo boots with warning, but 2666 seems ok so far, thanks!
 
Joined
Apr 1, 2010
Messages
165
Motherboard
ASUS Prime Z390-P
CPU
i9-9900K
Graphics
RX 5700 XT
Mac
iMac, MacBook Pro, Mac mini
Mobile Phone
iOS
using XMP on mine with Memory @ 3000Mhz, so far no issues, BIOS settings are very important on these hacks.
 
Joined
Sep 9, 2015
Messages
129
Motherboard
Gigabyte Z390 UD
CPU
i5-9600K
Graphics
RX 580
Mac
iMac, MacBook Air, Mac mini, Mac Pro
Mobile Phone
iOS
i had random crashes too, this post saved my life, @2133 my mobo boots with warning, but 2666 seems ok so far, thanks!

changed mobo to Gigabyte Z390 UD, everything ok so far, maybe ROG STRIX Z390-I GAMING is not the best choice with Kingston HyperX black rams.
 
Joined
Jul 13, 2016
Messages
1,435
Motherboard
ASUS ROG STRIX Z370-F
CPU
I5-8600K
Graphics
RX580
Mac
Mac mini, Mac Pro
Mobile Phone
iOS
changed mobo to Gigabyte Z390 UD, everything ok so far, maybe ROG STRIX Z390-I GAMING is not the best choice with Kingston HyperX black rams.
Not a Kingston fan any longer they used to be good but they kind of fell off at some point.
 
Joined
Dec 3, 2019
Messages
12
Motherboard
Gigabyte Z390 Designare
CPU
i9-9900k
Graphics
Sapphire Radeon VII
You can try changing your SM to iMac Pro 1,1 and adding this kext to your efi you might also need to update to 10.15.2
Hey @scottkendall, would this kext fix work for Mojave 14.6? I feel like this would be useful for me because I have been toying with running headless vs disabled iGPU with FCPX and I haven't found the sweet spot yet. I am having similar freezes, but the only time I am experiencing them is during FCPX imports....
 
Joined
Jul 13, 2016
Messages
1,435
Motherboard
ASUS ROG STRIX Z370-F
CPU
I5-8600K
Graphics
RX580
Mac
Mac mini, Mac Pro
Mobile Phone
iOS
Hey @scottkendall, would this kext fix work for Mojave 14.6? I feel like this would be useful for me because I have been toying with running headless vs disabled iGPU with FCPX and I haven't found the sweet spot yet. I am having similar freezes, but the only time I am experiencing them is during FCPX imports....
No you have a Radeon VII the kext is for RX 560, 570, 580. The kext is not needed for Vega/Radeon VII cards. Changing to Mac Pro 1,1 SM however, could solve your issues. You could also check in with the Golden Build for your board and see if there are solutions to your plight.
 
Top