Catalina 10.15.6 on 2018 Mac Mini and RX5700XT
 
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Catalina 10.15.6 on 2018 Mac Mini and RX5700XT  

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Mini i5
(@mini-i5)
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Joined: 12 months ago
 

10.15.6 is not Big Sur.

It is better than versions 10.15.2 through 10.15.5, though.

So...Good times. 

The dreaded wake-from-sleep bug is gone. Yep. Waking from sleep works fine again. 

Starting up the Mini with an eGPU connected remains trouble-free - same as with 10.15.5 - so they didn't (re)break this in 10.15.6. Yay!

(There's still no Apple logo and progress bar - but there's no problems booting with my eGPU connected either).

Benchmarks. Running the Basemark Mac OS Metal GPU benchmark (at 4K in Fullscreen mode) shows improvement over the previous score and fps in 10.15.5. 

(6512 / 200 fps max now vs 6328 / 181 fps max previously)

Basemark GPU 4K Fullscreen

 

 

 

2018 Mac Mini i5 / 6-core 3.0-4.1 Ghz / 32GB / 256GB / Intel UHD 630 / PowerColor Gaming Station / PowerColor dual-fan RX5700 XT / Mac OS 10.15.6 Catalina / Windows 2004 😏 / Dual LG 27" 4K displays


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Lazlo23
(@lazlo23)
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Joined: 4 weeks ago
 

When starting up, is your monitor connected directly to the eGPU, or to the Mac mini? I also have a Mac mini with a RX5700XT connected and for me I can only boot with the monitor connected to the Mac. If I try to boot with the monitor connected directly to the eGPU I get stuck on a black screen.

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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Mini i5
(@mini-i5)
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Joined: 12 months ago
 

@lazlo23

Directly to the eGPU.

The steps are:

Unplug your Thunderbolt devices before updating.

Update to 10.15.6 with your display plugged into the Mini's HDMI port.

After updating, start-up with the display still plugged into the Mini's HDMI port.

Hot-plug your eGPU into the TB3 port closest to the HDMI port. Watch the eGPU icon appear on the upper dock along the top of your display.

Shut down.

Un-plug your display from the Mini, and plug it into your eGPU.

Re-start. Wait 1 minute for Catalina to load the log-in screen (the screen remains black during this time) and sign in at the desktop.

Hot-plug your external TB3 storage drive in the TB3 port farthest from the HDMI port. 

Good to go from that point. Start-up with eGPU and external SSD connected as normal. Leave your display connected to your eGPU.

 

 

2018 Mac Mini i5 / 6-core 3.0-4.1 Ghz / 32GB / 256GB / Intel UHD 630 / PowerColor Gaming Station / PowerColor dual-fan RX5700 XT / Mac OS 10.15.6 Catalina / Windows 2004 😏 / Dual LG 27" 4K displays


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Chippy McChipset
(@chippy-mcchipset)
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Joined: 3 years ago
 

@Mini i5

Thanks for posting this info but to clarify first post, after installing 10.15.6 and rebooting at least once without eGPU, were you later able, from a shut-down state, to boot normally from this configuration?

Mini > eGPU > HDMI / DP to Display

eGPU Power on, then boot the mini

Followed by system chime, blank screen + typical delay, then arrive at Desktop, with no extra steps?

Bring peace to your computing life: stop trying to understand Apple.


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Mini i5
(@mini-i5)
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Joined: 12 months ago
 

@chippy-mcchipset

Yep. My display is connected to my eGPU.

10.15.6 is very stable so far.

I'm pleased with the update.

 

2018 Mac Mini i5 / 6-core 3.0-4.1 Ghz / 32GB / 256GB / Intel UHD 630 / PowerColor Gaming Station / PowerColor dual-fan RX5700 XT / Mac OS 10.15.6 Catalina / Windows 2004 😏 / Dual LG 27" 4K displays


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chenyangh
(@chenyangh)
Active Member
Joined: 4 weeks ago
 

@mini-i5, Very nice. My enclosure and 5700xt are arriving tomorrow. Can't wait. Laughing Out Loud  

 

Mac Mini (2018, i7, 32GB)
Razer core x chroma
Sapphire Nitro+ 5700 XT


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Chippy McChipset
(@chippy-mcchipset)
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Joined: 3 years ago
 

This will be good news for many people hopefully. Very interested to hear if 2018 Mini owners, after installing 10.15.6 normally (without eGPU), can later connect their eGPU from a shutdown state, display direct to eGPU as well, then boot without any special steps prior, to get to the Desktop.

Bring peace to your computing life: stop trying to understand Apple.


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chenyangh
(@chenyangh)
Active Member
Joined: 4 weeks ago
 

@chippy-mcchipset, @mini-i5 Hi, I just got my build setup. (i7 mini 2018, 32G ram + 5700xt red devil + core x chroma). So far it works very well, but I might need to wait for a few days to call it a success. I currently plug all my monitors to the egpu (3 DP ports), no external hard drive, no boot camp for window, and no additional hdim to mac mini directly. So far I am able to reboot, start from shut down, wake from sleep.

What I like most is that the system is extremely quiet, I installed dota 2 and played for like 20 mins, no noticeable noise at all.

 

Mac Mini (2018, i7, 32GB)
Razer core x chroma
Sapphire Nitro+ 5700 XT


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Mini i5
(@mini-i5)
Reputable Member
Joined: 12 months ago
 

@chenyangh

Awesome! That’s great to know that one of the fastest cards available for Mac OS is also very quiet in real-world use. 

Good times. 

 

2018 Mac Mini i5 / 6-core 3.0-4.1 Ghz / 32GB / 256GB / Intel UHD 630 / PowerColor Gaming Station / PowerColor dual-fan RX5700 XT / Mac OS 10.15.6 Catalina / Windows 2004 😏 / Dual LG 27" 4K displays


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tsakal
(@tsakal)
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Joined: 2 years ago
 

@mini-i5, quick question. 

i have done the pci.sys swap. In order to get it done I had to change the files permissions and removed completely trustinstaller as owner. If I try to update to a newer windows version would my system crash or just change the pci.sys file?

 

A) 2020 MacBook Pro, i7-1038NG7, 32GB RAM, 1TB, EGPU Razer Core X, Nitro+ RX5700 xt 8Gb, Samsung 65 Q70R
Mac OS Catalina 10.15.5, Internal Bootcamp Windows 10 2004 pci.sys swap.
B) 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Razer Core X, Nitro+ RX5700 xt 8Gb, LG 32UK550
Mac OS Catalina 10.15.2, Ext SSD Windows 10 1903 V1 .295

C) 2.7 GHz I7 4 Cores, 16Gb, 1TB MBP 13 2018 TB3 , EGPU Gigabyte Gaming Box RX580 8Gb, Mac OS Catalina 10.15.2, Ext SSD Windows 10 1803

D) 3.1 GHz I7, 16Gb, 1TB MBP 13 2015 TB2 , EGPU Gigabyte Gaming Box RX580 8Gb


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