Maybe try uninstall the current driver and install 17.5.2 with 5 GPUS, patch it, then shut down and plug in the 6th.
Not sure whether it work but if 6 470/480 work then bios setting should be fine, then might be a driver problem.
570/580 don't work well with earlier drivers.
Topic: Rig do not boot with 6 gpu (Read 509 times)
I don't think this is the problem, I already get 6 gpu working on my msi gaming 5 motherboard, but with RX4xx gpu's
Make sure you update your bios for the MB. I sat for 5 hours trying to get 6 gpu's picked up in windows 10. Bios update gave me the option to use 6 GPU's. Setting this then allowed all 6 to work. I am using a TB250-BTC pro. 
Sure, this is not the problem 
hi¡ set 16gb windows virtual memory?
I all,
I have 2 windows 10 rigs, drivers 17.4.4 :
- H81 pro btc : 6*RX570
- MSI z97 gaming 5 : 6*RX470/480/570
Same problem with the two rigs : error system during the boot, windows try to repair but it fail
If i unplug the usb riser of one card, the rigs boot without any problem with 5 gpu.
Please anybody know what is the problem ?
This problem was not present with 6*RX470/480 16.11.5 drivers..
Regards
I have 2 windows 10 rigs, drivers 17.4.4 :
- H81 pro btc : 6*RX570
- MSI z97 gaming 5 : 6*RX470/480/570
Same problem with the two rigs : error system during the boot, windows try to repair but it fail
If i unplug the usb riser of one card, the rigs boot without any problem with 5 gpu.
Please anybody know what is the problem ?
This problem was not present with 6*RX470/480 16.11.5 drivers..
Regards
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