(Update-Help) Trouble getting 5th card on ASRock H170A-X1

[Bones972]

I picked up this motherboard cheap and had 4 cards running on it pretty easily.  

Grabbed a riser and another card but when I put it on windows gives me an "Display error 12" message
It says that I need to free up resources for it to use 3 of the 5 cards and will only make 2 cards usable
(Even though I've been using 4 on it for weeks!) I have swapped out other risers from my other rigs to make sure its not a hardware issue (Its not)

Is it a Bios board issue?
Any one have any suggestions?

  

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[IojkinKot]

I picked up this motherboard cheap and had 4 cards running on it pretty easily. 

Grabbed a riser and another card but when I put it on windows gives me an "Display error 12" message
It says that I need to free up resources for it to use 3 of the 5 cards and will only make 2 cards usable
(Even though I've been using 4 on it for weeks!) I have swapped out other risers from my other rigs to make sure its not a hardware issue (Its not)

Is it a Bios board issue?
Any one have any suggestions?

I have same mobo. Turn TOLUD in 3,5G in bios and use Windows 10.

[Bones972]

Ok Thanks.  

I am on Windows 10 but have never touched anything bios related before... I'm a noob when it comes to things like that!

Ill look tonight when I get home from work and see if I can stumble my way through to find it ha ha!
At least now I know it can be done!
Thanks!!


  

[Bones972]

Well... That did not go as planned...

Ok so went into Bios and updated it.  Then went back in to the PCI section and changed it to 3.5 but when it rebooted all I got was a black screen.
Several times I had to remove the battery from the board to reset it and try again everytime with the same result. 

I then changed it to 2.5 and all cards were reading but I could only get 11.5 Mh/S out of each card. 
Just switched all those cards over to another rig with an Asus Prime H270-Plus board and GETTING THE SAME ERROR!!!