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Crash! (AKITIO Thunder2 + RX480)
 

Crash! (AKITIO Thunder2 + RX480)  

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(@adriano_ansaldi_ii)
Active Member
Joined: 2 months ago
 

I'm new. Hi!

I purchased an AKITIO Thunder 2 from a user, already modified with an external DELL 220W power supply.
Inside it features an 8GB AMD Radeon RX 480. I have a Mac Mini Late 2012 i5 2.5GHz 16GB RAM (TB2).

I used PurgeWrangler on MacOS Mojave 10.14.6.
I connected a monitor in the HDMI port to the box.
The TB2 cable is directed from box to Mac mini.

Everything works properly.
After a few minutes of use, or during the benchmark, the monitor turns off and the Mac crashes.

Why?!?

This topic was modified 2 months ago

Mac mini (Late 2012) i5 2,5GHz | Sonnet 350 + Sapphire NITRO RX 480 8GB | 16GB RAM | 1TB SSD
MacBook Air (Early 2014) i5 1,4GHz | AKiTiO Thunder2 + AMD RX 480 8GB | 4GB RAM | 128GB PCIe


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(@adriano_ansaldi_ii)
Active Member
Joined: 2 months ago
 

Help me, pls!

Mac mini (Late 2012) i5 2,5GHz | Sonnet 350 + Sapphire NITRO RX 480 8GB | 16GB RAM | 1TB SSD
MacBook Air (Early 2014) i5 1,4GHz | AKiTiO Thunder2 + AMD RX 480 8GB | 4GB RAM | 128GB PCIe


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nu_ninja
(@nu_ninja)
Estimable Member
Joined: 2 years ago
 

Just guessing, but it sounds like a power issue to me...

Mid-2012 13" Macbook Pro (MacBookPro9,2) TB1 -> RX 460/560 (AKiTiO Node/Thunder2)
+ macOS 10.14+Win10
+ Linux Mint 19.1


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Espionage724
(@espionage724)
Active Member
Joined: 2 months ago
 

Are you using a 4K display @ 60Hz over HDMI by some chance?

MacBook Pro (Retina, 13-inch, Mid 2014)
AKiTiO Thunder2
XFX Radeon RX 580
macOS Catalina 10.15
Fedora Workstation 31 Beta


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(@adriano_ansaldi_ii)
Active Member
Joined: 2 months ago
 
Posted by: @espionage724

Are you using a 4K display @ 60Hz over HDMI by some chance?

No, I only connected an ultra-wide monitor (2560x1080) in HDMI.
Tested with 2 different Macs (Mac Mini late 2012 + MacBook Air Early 2014).
The monitor works perfectly, I am now connected with Sonnet 350 + RX 480.

This post was modified 2 months ago

Mac mini (Late 2012) i5 2,5GHz | Sonnet 350 + Sapphire NITRO RX 480 8GB | 16GB RAM | 1TB SSD
MacBook Air (Early 2014) i5 1,4GHz | AKiTiO Thunder2 + AMD RX 480 8GB | 4GB RAM | 128GB PCIe


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(@adriano_ansaldi_ii)
Active Member
Joined: 2 months ago
 

I bought another DELL DA-2. I try to see if it's a PSU problem.
Thanks everyone!

Mac mini (Late 2012) i5 2,5GHz | Sonnet 350 + Sapphire NITRO RX 480 8GB | 16GB RAM | 1TB SSD
MacBook Air (Early 2014) i5 1,4GHz | AKiTiO Thunder2 + AMD RX 480 8GB | 4GB RAM | 128GB PCIe


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(@adriano_ansaldi_ii)
Active Member
Joined: 2 months ago
 

Same problem. 🙁

Mac mini (Late 2012) i5 2,5GHz | Sonnet 350 + Sapphire NITRO RX 480 8GB | 16GB RAM | 1TB SSD
MacBook Air (Early 2014) i5 1,4GHz | AKiTiO Thunder2 + AMD RX 480 8GB | 4GB RAM | 128GB PCIe


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esatamacmodular
(@esatamacmodular)
Estimable Member
Joined: 3 years ago
 

can you locate the crash report? Have you tried running the setup with the eGPU case completely open/ exposed? The GPU could be overheating.

iMac 2013 10.14.1, Macbook Air 2013 10.11, MBP 2016 13" 10.13.6 , HP 4530s 10.11, node lite, DA-2 PSU w/mod, PE4L 2.1b expresscard34, GTX460,1050Ti,1060,1070/Ti RX470,560,580


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kumowoon1025
(@kumowoon1025)
Active Member
Joined: 2 years ago
 

Could it be because of that issue where the reference rx480's draw too much power from the PCIe slot? I know they fixed it on the driver side for windows but not sure what happens when you have a setup over multiple pci bridges and with TB2

2018 Mac mini I7 - Sonnet BB550W + Gigabyte RX570 4GB - Alpine Ridge AIC – (TB3 to TB adapter) – Apple Thunderbolt Display
2019 15" MBP i9 also works as expected in above setup
2012 15" rMBP works with purge-wrangler
All on 10.14.6 (18G84/b) for debug kernel...
iMac14,2, no Built-in LCD, GT 755M dGPU - Bricked after Catalina DP update tried to flash nonexistent T2 chip. Mucking around with Pomona clip, looking for BootROM dump if anyone has one 🙁


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(@luis_a_rascon)
New Member
Joined: 12 months ago
 

@adriano_ansaldi_ii

I have had that problem before. I really couldn't fix it other than stepping down to a low profile RX 560 4GB from MSI. The performance is actually not bad at all you will be surprised. I'm using it with a MacBook Air 13.3" 2012. If you found a solution to the problem please post. Thank you. 

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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