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On my asrock h110, win10 home, 8x rx580 nitro+ 8gb I am running the following config for 14.6

cclock 1150, mclock 2200, cvddc 850 mvddc 875 rxboost 1

The above works correctly and go from 30.5mh to 31.5mh

Trying the straps 0,1...7 @2200 just crashes the rig

They are all hynix except 1 is micron

Any suggestions on what to try to stop the crashing?

I.tried just strap 1,with the same crashing

if you said without strap you already got 31.5mh then I believe you already flashed your bios.
in order to use strap you need to restore to original bios.

Interesting. I would have thought the on the fly straps would override whatever straps there were..

I have same problem on AsRockH110 and curently trying to find what is problem. And card can be flashed to whatever bios to use miner's straps. So its not that.

Anyone had Any luck on figuring this one out yet?

Try to lower the VRAM frequency normally you will earn the loss of hasrate with the -strap option. Same problem from my side with RX470, I lower the VRAM frequency to apply the -strap option before I had blue screen.

Are you saying, set the timings to stock (no overclocking) and then try the strap setting?

Well, my 8xRX470 on AsRock H110 works now without problem.. i just updated miner from 14.5 to 14.6.

Let me give it another go or two
{Edit}

By turning off strap to all but the first GPU, it applies the timings to the first GPU no problem. I can only guess it has an issue with GPU1 - Is there a possibility the BIOS says hynix memory, but is actually something else? Could I have flashed the wrong memory type over the BIOS? I will flip the switch later and check.

I did note that the hashrate dropped with the new timings by .5mh/s on the one that had timings set..not sure if I have better timings or something else is going on