Akito Thunder2 Resetting Whole Macbook Under Load
 
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(@noah_leon)
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Joined: 2 years ago
 

So I have successfully been using my Akito Thunder2 (loaded with MSI AMD 560 OC) with my MBP late 2013 with purge-wrangler and purge-nvda (to disable the internal 750m). Today I started up my machine and launched Final Cut Pro X to get some work done, and the entire system locked up. The external screen was plugged into the eGPU. The fans went really fast on the Akito and the system rebooted a couple of times. This keeps happening.

My first thought was that it was a software bug, then I tried a different TB cable, and now I suspect the 9.5A power brick, or some other power-related problem (maybe the PCB in the enclosure is fried?) may be making it lock up. 

I would really like for it to not be a problem with the card itself, but does anyone have a similar story and figured out what the problem was?

Much appreciated.

MBP Late 2013, 750m, eGPU 560 OC, Akito Thunder2, MacOS Mojave

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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mac_editor
(@mac_editor)
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@noah_leon

Have you tried some other apps to ensure that the issue is with GPU load in general? I suggest running a benchmark to see exactly what happens. If your system is crashing, on next boot, you should see panic logs. Please share those. You can share additional logs from purge-wrangler as well (more options menu).

purge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance
2018 MacBook Pro 15" RP560X + RX 5700 XT (Mantiz Venus)

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro


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(@noah_leon)
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@mac_editor

OK so this is weird. There is no log of the KP in the Console, I even googled precisely where to find it to be sure. When I reboot the Mac without the eGPU plugged in, it starts fine, but there is no dialog saying "your computer was shut down improperly" or whatever. Also, the multilingual Kernel Panic screen doesn't appear. before it glitches and reboots.

I have a Mac mini with thunderbolt which I use as a server. I used purge-wrangler to prepare it for the eGPU, and tried launching FCPX, and Obduction (in Steam), both apps which use a lot of eGPU horsepower. It crashed the computer and rebooted the same as my Macbook, so the problem is definitely on the enclosure side.  I'll look through the logs again.

Is it possible that because I have the OC version of the card, it is drawing too much power and fried the unit? 

Next is to try the 560 OC in a traditional PC and see if it is working fine I guess.

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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mac_editor
(@mac_editor)
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Posted by: @noah_leon

Next is to try the 560 OC in a traditional PC and see if it is working fine I guess.

Let us know how this goes. 

purge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance
2018 MacBook Pro 15" RP560X + RX 5700 XT (Mantiz Venus)

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro


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(@branislav_benak)
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Hello. I had exactly the same problem with Gigabyte Rx 560 OC 4GB in Thunder2 box. Under MacOS was everything ok. But I mostly played games (Diablo3, Metro redux, and some benchmarks). Under BootCamp W10 it was crushing spontaneously. Last time when I played Bioshock the box was stopped and I sensed smell from burden. I fried a transistor FDC610PZ. Now I’m waiting for this component from Germany. I hope I will able to fix it. So be careful because this card is obviously draw more watts from PCIe port as 75w in some applications. 

1. Macbook Air 13" 2014 + Akitio Thunder2 RX560 (optional GTX1050Ti).
2. MacMini 2018 i3 + Sapphire Gearbox Vega 56.


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goalque
(@goalque)
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(@noah_leon)
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@branislav_benak This is good to know, I’m pretty sure mine is the same problem, or will be soon. Out of curiosity, if you fix it, what will you do to prevent it happening again? Will you add another PSU and use a card which takes extra power connections?

@goalque Thank you for linking to the info. I’m busy during the week but once I get a chance I will figure this all out and report back.

This post was modified 3 months ago

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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(@branislav_benak)
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This is good question. I'm not decided yet. I ordered 6 pcs of this transistors. I will replace one and try with the RX560. If it will still crushing in BootCamp, I'll try the goalques bypass. If the crushing after bypass will not stop, I will return to using the GTX1050Ti. This card is not so demanding and I have good experience with it in MacOS also in BootCamp. But I will have to downgrade to HighSierra. I like this box because of its small construction. 

1. Macbook Air 13" 2014 + Akitio Thunder2 RX560 (optional GTX1050Ti).
2. MacMini 2018 i3 + Sapphire Gearbox Vega 56.


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(@noah_leon)
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@goalque

Thanks for the info about the mod, I performed it on my Thunder2. Everything seems to work as before, but again when I put a load on the graphics card, even if I don't have a monitor connected, the computer seizes up and eventually it reboots or I have to reboot it. I'm starting to think that the graphics card may actually be the culprit, since I can't see any damage or problems with the Thunder2 PCB. I'm sending the card to a friend to try in his machine. If that answers the question then next job is to procure another GPU for the enclosure.

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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(@noah_leon)
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@mac_editor

An update: I managed to acquire an NVIDIA 780 Ti and 500W PSU. I know this is a native card, so I wanted to see what would happen. I also reinstalled macOS from scratch, and then installed PurgeWrangler

macOS recognizes the GPU (which I am running headless for the moment), but putting any kind of a load on it crashes the system. This time, however, I'm getting the familiar Kernel Panic screen, and getting information in the logs. If you have any insight, I would really love to narrow down what could be wrong.

 

Sun Jan 19 20:18:07 2020

*** Panic Report ***
panic(cpu 6 caller 0xffffff7f877ef679): GPU Panic: mux-regs 4 0 20 0 0 8 severity 3 WS-ready 1 switch-state 0 IG FBs 1 EG FBs 0:0 power-state 6 3D idle HDA idle : NVRM[1/194:0:0]: Read Error 0x0010a1c4: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xc2000000 0xffffff922f128000 0x0f10a0a1, D0, P3/4

Backtrace (CPU 6), Frame : Return Address
0xffffff91f6533430 : 0xffffff8005bae6ed
0xffffff91f6533480 : 0xffffff8005cea185
0xffffff91f65334c0 : 0xffffff8005cdb8ba
0xffffff91f6533530 : 0xffffff8005b5bb40
0xffffff91f6533550 : 0xffffff8005bae107
0xffffff91f6533670 : 0xffffff8005badf53
0xffffff91f65336e0 : 0xffffff7f877ef679
0xffffff91f6533740 : 0xffffff7f86995e6d
0xffffff91f65337c0 : 0xffffff7f86a63d81
0xffffff91f6533820 : 0xffffff7f88dcf81e
0xffffff91f6533870 : 0xffffff7f86aec3b5
0xffffff91f6533890 : 0xffffff7f88dbeb59
0xffffff91f65338c0 : 0xffffff7f86aa92b0
0xffffff91f6533900 : 0xffffff7f86aa1e30
0xffffff91f6533990 : 0xffffff7f8696ddcd
0xffffff91f65339f0 : 0xffffff7f8696d1bc
0xffffff91f6533a10 : 0xffffff7f8696ce24
0xffffff91f6533ac0 : 0xffffff7f8696cc0a
0xffffff91f6533ae0 : 0xffffff7f8695ac16
0xffffff91f6533b80 : 0xffffff7f8699a75c
0xffffff91f6533d00 : 0xffffff7f8699b2cd
0xffffff91f6533e00 : 0xffffff7f86e2dd48
0xffffff91f6533e50 : 0xffffff7f86de3cce
0xffffff91f6533e70 : 0xffffff7f86e3d09c
0xffffff91f6533e90 : 0xffffff7f86e3d2cf
0xffffff91f6533ed0 : 0xffffff8006258d8c
0xffffff91f6533f30 : 0xffffff8006256e72
0xffffff91f6533f70 : 0xffffff80062563cc
0xffffff91f6533fa0 : 0xffffff8005b5b0ce
Kernel Extensions in backtrace:
com.apple.driver.AppleMuxControl(3.50.12)[80417134-F6FB-38E4-AF2C-197E92156BDF]@0xffffff7f877e0000->0xffffff7f877f3fff
dependency: com.apple.driver.AppleGraphicsControl(3.50.12)[D9F4AE86-377F-3405-910B-CE710343F052]@0xffffff7f877ae000
dependency: com.apple.iokit.IOACPIFamily(1.4)[3E8E9870-2E41-33F6-ACBF-35DDC08F22B5]@0xffffff7f870ec000
dependency: com.apple.iokit.IOPCIFamily(2.9)[BFDEB8D4-50FE-3DDB-87B7-F6A504393830]@0xffffff7f86495000
dependency: com.apple.iokit.IOGraphicsFamily(530.66)[373EAB85-2C5F-3B84-B86D-421F79C47DF2]@0xffffff7f868b4000
dependency: com.apple.AppleGraphicsDeviceControl(3.50.12)[5334847D-B612-3E8C-88A3-C2A5853675CD]@0xffffff7f8691d000
com.apple.nvidia.driver.NVDAResman(12.0)[AE94AB7B-ECE1-31E6-8165-08FF46E8CF81]@0xffffff7f86929000->0xffffff7f86c02fff
dependency: com.apple.iokit.IOPCIFamily(2.9)[BFDEB8D4-50FE-3DDB-87B7-F6A504393830]@0xffffff7f86495000
dependency: com.apple.iokit.IONDRVSupport(530.51)[D8CFB89E-3E74-3E49-9ED0-BD2F34A1B31A]@0xffffff7f8690d000
dependency: com.apple.iokit.IOGraphicsFamily(530.66)[373EAB85-2C5F-3B84-B86D-421F79C47DF2]@0xffffff7f868b4000
dependency: com.apple.AppleGraphicsDeviceControl(3.50.12)[5334847D-B612-3E8C-88A3-C2A5853675CD]@0xffffff7f8691d000
com.apple.nvidia.driver.NVDAGK100Hal(12.0)[7F98B4E9-CEB0-3354-A034-2D90A819E58B]@0xffffff7f88cbe000->0xffffff7f88e6bfff
dependency: com.apple.nvidia.driver.NVDAResman(12.0.0)[AE94AB7B-ECE1-31E6-8165-08FF46E8CF81]@0xffffff7f86929000
dependency: com.apple.iokit.IOPCIFamily(2.9)[BFDEB8D4-50FE-3DDB-87B7-F6A504393830]@0xffffff7f86495000
com.apple.GeForce(12.0)[0719ECE9-41BC-3A47-8528-25F14A5446D4]@0xffffff7f86dda000->0xffffff7f86e75fff
dependency: com.apple.iokit.IOPCIFamily(2.9)[BFDEB8D4-50FE-3DDB-87B7-F6A504393830]@0xffffff7f86495000
dependency: com.apple.iokit.IONDRVSupport(530.51)[D8CFB89E-3E74-3E49-9ED0-BD2F34A1B31A]@0xffffff7f8690d000
dependency: com.apple.nvidia.driver.NVDAResman(12.0.0)[AE94AB7B-ECE1-31E6-8165-08FF46E8CF81]@0xffffff7f86929000
dependency: com.apple.iokit.IOGraphicsFamily(530.66)[373EAB85-2C5F-3B84-B86D-421F79C47DF2]@0xffffff7f868b4000
dependency: com.apple.iokit.IOAcceleratorFamily2(404.14)[618B24B5-1387-31FD-A7F7-53283E2C3FEA]@0xffffff7f86d23000

BSD process name corresponding to current thread: kernel_task

Mac OS version:
18G103

 

At this stage, chances are good I'm going to have to nab a new Thunder2 or equivalent. I've shipped my 560 OC to a friend and am still waiting to hear back, but it seems the problem is in the Thunder2.

 

Looking forward to any insight.

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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mac_editor
(@mac_editor)
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@noah_leon

Could be an issue with the Thunder2 as you surmise, given that you eliminated all other variables already. 

purge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance
2018 MacBook Pro 15" RP560X + RX 5700 XT (Mantiz Venus)

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro


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(@noah_leon)
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Joined: 2 years ago
 

PROBLEM SOLVED!

So I knew that the Thunder2 is finicky about the barrel-plug power supply. When I first received it a couple years ago, I made sure to increase the solder on the loose joints for the barrel plug. As far as I can see, there's still nothing wrong with it. Very sturdy.

I was searching this forum for people with similar problems, almost everyone with a crashing card had some power issue. I decided to try once more before giving up.

As a last effort I bypassed the barrel plug with a molex connector, soldering the yellow and black leads to the board correctly. I connected everything back up to my 500w PSU and voila, no more crashes. I have been editing in Final Cut Pro X for a little while now, and it has been very stable. 

So to recap, from my research and experience the power connection seems to be often the culprit when the card in the Thunder2 crashes. Even a seemingly correct barrel-plug configuration can cause instability. My guess is that it couldn't support the current traveling over it anymore, possibly due to heat from use the solder deteriorated. This will probably happen again with my own solder joints, I'll have to keep an eye on that in the future.

Thanks everyone for your help, this forum is a great resource.

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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(@branislav_benak)
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Joined: 1 year ago
 

Could you upload photos from you soldering work? THX. I'm also preparing for useful bypass.

1. Macbook Air 13" 2014 + Akitio Thunder2 RX560 (optional GTX1050Ti).
2. MacMini 2018 i3 + Sapphire Gearbox Vega 56.


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mac_editor
(@mac_editor)
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@noah_leon

Awesome job figuring out the issue man! Will be a great resource for fellow Thunder2 users. 

purge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance
2018 MacBook Pro 15" RP560X + RX 5700 XT (Mantiz Venus)

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro


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(@noah_leon)
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Joined: 2 years ago
 

@branislav_benak

Here are the two soldering I did to get everything working.

IMG 6339 2
IMG 6340

Please note also that with this modification, I no longer have installed the little black and yellow cable that comes with the Thunder2 and goes between the two boards, as it is not really needed and I thought might make it unstable.

This post was modified 3 months ago

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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Username
(@username)
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When I ran my Thunder3 and 1070 I fed them both with the same external HP 460w Server PSU. 
I made the 12v power cable split in two. One for the barrel plug and one into the case feeding the 1070 card. 

That way the pcb and case retained the original and unmodified state. 
And there was no voltage differences between power lines. 

Present: 2012 Mac mini + PowerColor RX 56 Vega Nano @10Gbps-TB1 +
PowerColor eGFX Mini 180F via TB3->TB2 adapter + macOS Catalina 10.15.4

Previous: 2012 Mac Mini + [email protected] (AKiTiO Thunder3 via TB3->TB2 adapter) + macOS


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(@noah_leon)
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Posted by: @username

When I ran my Thunder3 and 1070 I fed them both with the same external HP 460w Server PSU. 
I made the 12v power cable split in two. One for the barrel plug and one into the case feeding the 1070 card. 

That way the pcb and case retained the original and unmodified state. 
And there was no voltage differences between power lines. 

Thanks, in this case there was something wrong with the barrel plug, so I decided to bypass it completely. In my case my 500w PSU is also split in two, one going to the board via the molex connection, and the other connecting to the 8-pin and 6-pin input on the graphics card. I made sure everything is on the same rail and that it can deliver the necessary amps to power the card, because as you say it's better to keep the same voltage.

Every once in a while it still brings down the system, so I think there is more work to be done, perhaps the wire I used is not thick enough gauge, I don't know. At least it's only sometimes under very heavy load, never with games but only with video editing at full quality.

 

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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(@noah_leon)
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Joined: 2 years ago
 

@goalque

Is there a chance that the power mod could fry my computer via the thunderbolt connection after this mod?

My internal 750m stopped working shortly after doing it to the enclosure. Graphics glitches and crashes. It may be a coincidence but I would be interested to know if it Could be potentially dangerous before I try it on another machine.

This post was modified 2 months ago

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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(@branislav_benak)
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Hi. Today I had time for soldering. I did bypass of the fried chip FDC610PZ. The RX560 is again working. But the box is always running. I mean when the box is connected to 12V power source the fan inside the box and GPU fan is spinning with max rpm. After TB2 cable is connected to Mac the rpm is normalized and controlled by temp. Any suggestions?

1. Macbook Air 13" 2014 + Akitio Thunder2 RX560 (optional GTX1050Ti).
2. MacMini 2018 i3 + Sapphire Gearbox Vega 56.


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(@noah_leon)
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@branislav_benak

I have the same issue. For now I solved it by using a PSU with a switch on it. When I unplug I just try to remember to turn it off. I think there is another mod that I could try but I’m satisfied with this setup for the moment, just to have it working again.

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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(@branislav_benak)
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I have also replaced for the test purposes the power brick for an old 300w GPU PSU 5,25" size. It has two 12V lines each should provide 150Watts (total 300W). This PSU is pilot switch operated via 5V input. I used usb-molex cable with I/O switch and 5V 500mA power adapter. So now I can easily switch the eGPU box on or off. I could also use more demanding GPU with additional power. But I don't have any with proper size to fit into the box. Maybe later I will buy RX 570 ITX. For old MacAir 2014 is RX560 also good option. 

 

IMG 1934
IMG 1933
IMG 1932

1. Macbook Air 13" 2014 + Akitio Thunder2 RX560 (optional GTX1050Ti).
2. MacMini 2018 i3 + Sapphire Gearbox Vega 56.


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(@username)
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This is how I fed my old Thunder with a 1070. 
The home made sleeved cable went thru and to the 1070 directly.

67EC62ED 6FC6 4D96 9C1E 0060B52BDE3E

Present: 2012 Mac mini + PowerColor RX 56 Vega Nano @10Gbps-TB1 +
PowerColor eGFX Mini 180F via TB3->TB2 adapter + macOS Catalina 10.15.4

Previous: 2012 Mac Mini + [email protected] (AKiTiO Thunder3 via TB3->TB2 adapter) + macOS


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(@noah_leon)
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@branislav_benak

Looks like a very nice mod. I would be curious to know about how stable it is. I have some stability issues, but I think it is related to some software I'm using (the Filmconvert plugin seems to crash my system when I have both internal GPU (NVIDIA 750m) and eGPU (780 ti) enabled. When I run it on my Mac mini without any internal GPU besides the Intel one, it seems more stable but I can't use that machine often since it is a server.

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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(@branislav_benak)
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About stability. So far so good as in the past. In macOS I ran some benchmarks and games. All ok. In bootcamp also the same (unfortunately). During heavy duty (playing games) system is stable. I believe with the new power source and bypass it will be ok. BUT! When I close the game and windows is idle, randomly it crashes. In afterburner I saw strange thing. Just few seconds before crash the core clock fall down to 0 MHz for a second. Then It returns to state level 0 which is 300MHz. After this fall the windows crashed. I thing it is windows / adrenaline software problem. I'm able to change state level from 1 up to 7 but not the level 0.  I tried RX560 in Sapphire Gearbox with MacMini and it was super stable. I know the gpu is ok. I didn't have this problem with GTX1050Ti within Akitio box. 

1. Macbook Air 13" 2014 + Akitio Thunder2 RX560 (optional GTX1050Ti).
2. MacMini 2018 i3 + Sapphire Gearbox Vega 56.


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andycore
(@andycore)
Active Member
Joined: 3 months ago
 

hello 

My problem is as follows
I installed web driver and egpu is displayed
But not used
I can not choose egpu in the application settings
screenshots below

https://ibb.co/jzWx6Q2

https://ibb.co/cTp9w4g

https://ibb.co/Kj3h9F8

https://ibb.co/0YB69YL

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


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(@branislav_benak)
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@andycore

Hi. Did you tried to connect external monitor in to the eGPU? As I remember well there is no option how to prefer compute via eGPU on internal screen in High Sierra. This ability comes with Mojave. I’m afraid that your only chance with Nvidia is external monitor. But I can by mistaken. 

1. Macbook Air 13" 2014 + Akitio Thunder2 RX560 (optional GTX1050Ti).
2. MacMini 2018 i3 + Sapphire Gearbox Vega 56.


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(@noah_leon)
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Hi @andycore, this sounds like a totally different issue than what this thread is about. You will find more answers if you start a new thread.

 

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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(@branislav_benak)
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I have some news about MacBookAir 13" early 2014 TB1 and eGPU. I used this mac always with Akitio Thunder2. I mentioned that with AMD RX cards 460&560 have problem with stability in Bootcamp WIN10. In idle state windows crashed after few minutes (stable under load). I bought TB3 to TB2 adapter and tested with this macbook eGPU Sapphire Gearbox with AMD RX. I tested few hours WIN10 without any issue. VEGA56 Unigine Superposition reached 10000points. For TB1 excellent performance. Now I know that my problem is with Akitio Thunder2 box. 

1. Macbook Air 13" 2014 + Akitio Thunder2 RX560 (optional GTX1050Ti).
2. MacMini 2018 i3 + Sapphire Gearbox Vega 56.


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(@noah_leon)
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@branislav_benak, this is good to know. I had suspected that for some reason the Thunder2 was not the most stable, but I also thought it could be a software issue. maybe at the next opportunity I will acquire a different enclosure. Thanks for the info.

 

Macbook Pro 15" 2013 with NVIDIA 750m and Akito Thunder2 and MSI AMD 560 OC, Mojave 10.14


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(@branislav_benak)
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@noah_leon, I’m also considering replacement the AKiTiO eGPU Box. I’d like to understand the reason why GTX1050Ti works like a charm and RX not. However under MacOS the RX560 behaves better than GTX. Both should have the same TDP max 75W. 

 

1. Macbook Air 13" 2014 + Akitio Thunder2 RX560 (optional GTX1050Ti).
2. MacMini 2018 i3 + Sapphire Gearbox Vega 56.


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