MSI Afterburner Fan Controls Work But Not Overclocking

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ajaz.elahi

Feb 14, 2018
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I've downloaded 4.4.2 and set up my fan controls for my R9 290 GPU's. I've got 6 GPU's on my mining rig running very stable now on Windows 10 Pro.

I've tried to increase the core clock from stock 974 to 1125 which I know is a good OC for this GPU as I previously clocked it to this in Linux Ubuntu. I click apply and the slider shows 1125 but the digital display shows current core clock is still bouncing around near 930-970.

In ubuntu I changed it to 1125 and my mining hashrate increased from 25Mh/s to 30Mh/s and I was able to control the temps with fan control but now in MSI Afterburner, I change core clock to 1125 and my hashrate stays at 25Mh/s. I've tried incremental increases but still nothing.

It cannot be a power supply issue. I've got 2 GPU's per PSU (3 PSU in total) each is 1000w and on the kill-a-watt shows each is drawing only 615w so plenty buffer to OC safely. Any ideas?

By the way, I haven't got AMDGPU Pro active so there isn't a conflict there.
 
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Just to update, I have managed to overclock and run stable at 30Mh/s per GPU.
I had to first use this tool: https://support.amd.com/en-us/kb-articles/Pages/AMD-Clean-Uninstall-Utility.aspx

It removed all traces of my AMD Adrenaline drivers and then after a reboot, I installed Crimson 15.12 and after another reboot, I was able to successfully overclock using MSI Afterburner. I had tried with 16x, 17x and 18x drivers and it didn't work - seems my R9 290 cards only like the 15.12 driver.
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drbones8472

drbones8472

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Apr 3, 2010
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I would say that its an OS issue. And by that I mean that with Linux GPU's (If they get driver support at all) actually do get better performance then in Windows. So you may not be able to get the same OC in Windows as you did in Linux. In Windows with Afterburner, the main reason the OC's won't stick is because they are not stable at those settings. So here is what I suggest:

1. Ramp up the Power (and/or) Temp Limit up in Afturburner if you are able.
2. Turn down the OC until the OC actually sticks.

Doing one of those two should help fix the issue. I have 2x 480s in one of my PC's and I can only get about 25MHz OC on them in Windows. So it may very well be that in Windows they just are not able to hold the same OC.

Hope it helps, even if only a little.
 
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ajaz.elahi

Feb 14, 2018
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Yep I just tried upping the power limit % and behold my core clock went from 974 to 1000 and held it stable... 1050 started to jump around and so does 1100. I think you're right, it's an OS related issue and will be more stable in Linux.

I think going to move back to Linux, this is awful.
 
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A

ajaz.elahi

Feb 14, 2018
32
0
40
Just to update, I have managed to overclock and run stable at 30Mh/s per GPU.
I had to first use this tool: https://support.amd.com/en-us/kb-articles/Pages/AMD-Clean-Uninstall-Utility.aspx

It removed all traces of my AMD Adrenaline drivers and then after a reboot, I installed Crimson 15.12 and after another reboot, I was able to successfully overclock using MSI Afterburner. I had tried with 16x, 17x and 18x drivers and it didn't work - seems my R9 290 cards only like the 15.12 driver.
 
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