Quote from: Ahead on September 05, 2017, 09:01:33 AM

Quote from: acex* on September 05, 2017, 08:38:06 AM

Hello Bitcoin Forum!

i got issues with my mining rig.

my system:

ASROCK FM2A78M PRO3+
AMD A6 6400K Dual-Core Processor
Platimax 80PLUS 1350
8GB DDR3

so i got 3 GPU´s

first one is a R9380 STRIX . works all fine on solo mining
the another 2 are R9390 WINDFORCE if i try to solo mine with them they work for 5-15 min after them i got a blackscreen and can only restart the system...

if i dual mine its the same issue with the blackscreen

what i try to fix the problem.

15.12 driver - failed
newest driver failed
riser changed - failed
another psu - failed
more virtuall RAM - failed

if i underclock the r9390 windforce and set the setting from the miner after 100 to 80% it works longer but again with blackscreen...

what i can do..
i set already the underclock on Mem clock 950 and gpu clock to 700 and again the issue..
i changed the power limit from the power limit (%) to +50 .. again blackscreen its wayne if i give him -50 +50 or 0 ...

i dont know what to do guys please support me ... i only want that this thing work.. i dont want the 390 sols if i can only 200 is enoguh.. only should to work one day without blackscreen...

another info.
but if i try on a another PC to play games with the r9390 windforce it works fine..
i played 5 games overwatch and no lag no blackscreen..

sorry for my bad english !

and all things in your mind are here welcome

1. Check the power settings in windows and make sure the system is not going to "sleep mode" after X minutes. (Set it to ALWAYS ON
2. Have you enabled the 4G decoding in bios? If yes, make sure you have the latest AMD drivers installed

1. yes i checked it
2. no i doesnt do anythink in bios.. never heard of 4G decoding Shocked

maybe this can be the issue ?
that the pcie doenst give so mutch power what the gpu needs and because of that it comes a blackscreen ?..

Quote from: Bitfort on September 05, 2017, 09:05:11 AM

OK, seems the issue solved.

Just o add: powered risers has extra molex (or pci-e connector) and you definitely have to use them when using more gpus (but i think more than 4-5) otherwise you can burn you MB.

i got molex riser..

issue solved.. okay what i must do now that i solve the problem...

i hang on it 4 days and i only get 2% better everyday.. i cant keep mining .. it won´t to start stable..

what i should to do now ?