10 gtx 1060s on B250 mining expert

[mdu830]

Hey everyone im having trouble booting into my system (black screen) after adding a 9th card to the rig im using:

Ubuntu mate 18.04

120gb ssd

B250 mining expert

Intel i3 7100

2x 4gb ddr4 ram (8gb)

Evga gtx 1060 3gb x9

Everything is fine til i put the 9th card on...

Now i have reinstalled ubuntu without the drivers and it boots up but as soon as i install nvidia-driver-390 or the headless version and reboot  the system doesnt boot up just get a black screen again.

Any ideas on what this could be? I’ve refered to this topic where someone was running 12 titan xps before but to no avail:
https://bitcointalk.org/index.php?topic=2750990.0

[BitMaxz]

It should be run fine with 9 GPU in Ubuntu OS I think you need to add 12v into your mother if you can find the 4 pins socket on the board put another one 4 pins 12v.
The location is nearly on GPU PCIe socket and I think you need to install lower version because new driver version doesn't support more than 8 GPU based on what I heard.

Also, check this thread https://bitcointalk.org/index.php?topic=2110421.0 and this one https://bitcointalk.org/index.php?topic=2357461.0

And move this thread to altcoin mining section here https://bitcointalk.org/index.php?board=160.0

[mdu830]

Ive tired hooking up the 4pin molexs to the board but doesnt help anything. From what ive read if you have powered risers ( witch i do) you shouldn’t need to hook up the Molexs. Is that right?

I’ve been unable to install older drivers in ubuntu it just keeps pushing me back to nvidia-driver-390

Someone suggested if 4G encode was on witch it is.

And the i3 7100 can handle up to 16 pci-e lanes according to intel

Still can’t figure it out! :/

[mdu830]

Update!
After much trial and error. It turns out if you space your risers evenly across A B and C it will run very smooth; i had A filled up with 7 cards and B had the other two. Now i have 3x 1060s on Pci-e lanes A 3x on B and 3x on C

Works like a charm i hope this helps anyone else that would be having these problems!

[nordmann666]

Update!
After much trial and error. It turns out if you space your risers evenly across A B and C it will run very smooth; i had A filled up with 7 cards and B had the other two. Now i have 3x 1060s on Pci-e lanes A 3x on B and 3x on C

Works like a charm i hope this helps anyone else that would be having these problems!

did you have to plug in 3 PSU or did PCIe C works without third PSU?