Ok, i have successfully setup the 19GPU rig (8 P106-100 mining cards and 11 1060 6GB cards) using i3 7100 processor with 8GB of ram. Currently mining a miserly 410mhs (about 22mh/gpu) using ethminer.

I am now facing issues when i try to overclock this rig, the PCI bus id as per nvidia-smi and the PCI bus id as per lspci -v | grep -i vga is different. This causes issues when i try to start X due to which overclocking is lost to the world.

I tried using Hiveos & Ethos, both simply take their own sweet time booting and simply hang/crash at boot and hence the custom build.

Any help would be appreciated in solving this.

If i use RX570 instead of the 11 1060 6GB then i get a segmentation fault which seems like another massive dead end.


Thanks

Ok, no... 8 GPU is OS (Windows) limitation not the motherboard. If you have used this motherboard then you would know that it does not POST (boot screen with company logo does not come) if you put more than 13 standard (non mining) GPU. Now, my post has shown that it can work.

Yes, 6+ rigs on vega need not be considered (due to power consumption and other reasons), but RX 500 or RX400, or NVIDIA's 1060, i would slap on 12 if not a 19 rig blindly to maximize PSU utilization.

Finally, reason why people are so pissed about this board is because Asus advertised this as 19GPU rig without making the terms clearly (terms where you need mining graphics card for more than 13 gpu).

If AMD only setup, then ethos else simplemining. Do you have time and patience? then install centos7/ubuntu and compile the miners yourself (thats what i do).
I stay away from windows mostly because i am comfortable with linux. Note, you will see a drop of about .5mhz - 1mhz in linux (claymore). But i think you can ignore that.

Ok, quick updates. I have got 19 gpus to post (finally) with below configurations:
1. 12 RX 5(7/8)0 + 1 standard 1060/1070 (non mining) + 6 P106 mining cards (will try 13 RX + rest P106 when i get my hands on the 13th card)
2. 13 Standard 1050/1060/1070 (non mining) + 6 P106 mining cards.

System config:
1. B250 Mining expert
2. Intel 4400
3. 8GB ram (you need 8gb. With 4GB i had issues mining. Ethminer takes up close to 5GB to mine, claymore not tested)
5. 16GB USB thumb drive
6. CentOs 7.
7. BIOS Ver 1001

Changes to bios - None
Changes to RX card bios - Custom bios to hit 30mhz
Changes to standard NVIDIA cards - None (i dont think bios flash is an option here)
Changes to Mining NVIDIA cards - None

NOTE: The first 6 slots in the board (including the 16 pin) needs to be connected to the mining card (P106). Else it does not work. Also this means we dont need 8 as per Asus manual/website https://www.asus.com/support/FAQ/1034921 .

I am still performing few post install setups, should be done in a day or so. Will post pics of the rig once done. If you guys have any questions, feel free to ask. Will try to guide/help.

It usually helps if you provide more information such as which GPU, what config parameters used, which version (Genoils or ethminer 0.12.x) etc.

Anyways, possible issues:-
1. You have set farm-recheck to 200? If so dial it down to 2000
2. You have overclocked the GPU? If so, dial it down a bit... Suggest you try without any over clock for a few hrs before overclocking.