Quote from: lawnsharkindustries on May 27, 2017, 10:57:01 PM

Quote from: xxcsu on May 27, 2017, 03:34:41 PM

are you sure you flashed back the original bios files for each cards ?
Did you saved the original bios file for each cards separately ( marked cards like 1 , 2 , 3 , 4 , 5 , 6 , 7 , and saved bios file for each cards like saved bios 1 , saved bios 2 ...., and reflashed the cards with the proper saved bios ? saved bios 1 to card 1 , saved bios 2 to card 2 , saved bios 3 to card 3 ...
Those cards might have a different original bios number version , and might not interchangeable with each other !!!
RX 470 /480 cards from the same manufacturer with the same model number can have a different bios file version number . I have many msi / sapphire rx 480/470 cards with same modell number , but different bios version number ...

Did you modded your own bios files ? or downloaded from somewhere ? Are those cards have a dual bios or not ?
what crimson driver are u using ? what operation system ?
if you have a modded bios and using the latest amd driver , your system need a driver patch to recognize the cards or you going to the device driver error.

"The error is: IRQL_NOT_LESS_OR_EQUAL and the computer goes to the blue screen and restarts"
This error usually occurs after the installation of a buggy device driver, system service, or incorrect BIOS ( incorrect bios settings on the mobo , or incorrect bios on ur vga card )

Hi... Thanks for responses

I ran DDU directly after a clean install - this stops the drivers auto updating. Then I installed Crimson 16.11.5 Driver.

I only took the original BIOS from one card, the first one.. modified it, then flashed that BIOS to all of the other cards. Then I took the original BIOS I backed up and flashed that to all of the cards. How can I fix this?

I have Windows 10 Home on the Rig. I created my own BIOS following this guide: https://steemit.com/mining/@jsfoo8/basic-guide-mining-ethereum-with-rx400-rx500-gpus

The IRQL issue is what I am getting on all cards, even when they are in the Rig on their own.

My Windows 10 Home was updating even after using DDU and deselecting auto-update after installing Crimson driver. Within minutes after installing my own legacy driver, I would see in control panel update history say that an AMD driver auto-update failed. You can see if it's trying to update by looking at the update history in control panel.

There's a setting in Windows that you have to change.

Control Panel\System and Security\Administrative Tools\Services - Change Startup Type to "Manual"