Out of ideas...help.

[Tiber1337]

Hey,

So here's my problem, I own several rx480/580 4GB and I used to be able to overclock the memory to get better mh/s for ETH.

However NOW, OCing the memory has NO effect, 1700 or 2250 has the same hashrate, Biosmoding has no effect on the hashrate aswell. WTF!

So I was getting 28 mh's with OC on 480 4gb samsung mem.  Now I'm getting 25 with and without OC or Biosmod or both.

This is what I tried:

DDU uninstaller/reinstalling everything except OS
Older drivers
atikmdag-patcher
Extended overclock limits in MSI AB (worked for a short time, I always had max mclock without setting it, and couldn't change it)

Now I'm not using these in a mining rig atm, so I'm guessing it's either a setting in bios that forces stuff OR the OS (using win 10.

Anyone can help me with this?

[DevonMiner]

DDU uninstaller/reinstalling everything except OS

Maybe you sort of answered the question yourself ... Try reinstalling the OS, it can work wonders with Win10. When I have major problems I ways take it back to the beginning and start again. It 'usually' results in a stable rig.

[eth4lyfe]

Hey,

So here's my problem, I own several rx480/580 4GB and I used to be able to overclock the memory to get better mh/s for ETH.

However NOW, OCing the memory has NO effect, 1700 or 2250 has the same hashrate, Biosmoding has no effect on the hashrate aswell. WTF!

So I was getting 28 mh's with OC on 480 4gb samsung mem.  Now I'm getting 25 with and without OC or Biosmod or both.

This is what I tried:

DDU uninstaller/reinstalling everything except OS
Older drivers
atikmdag-patcher
Extended overclock limits in MSI AB (worked for a short time, I always had max mclock without setting it, and couldn't change it)

Now I'm not using these in a mining rig atm, so I'm guessing it's either a setting in bios that forces stuff OR the OS (using win 10.

Anyone can help me with this?

So... since the bios sets the clock speeds, if after flashing the bios you're getting WORSE than overclocking that means you're not flashing the proper settings.

28mh/s is pretty good, I'd suggest trying to flash the cards (individually) again and double check all of the settings

[dragonmike]

I'm having EXACTLY the same issues. Some of my cards will do 28Mh/s, some 25. No matter what I set, the miner ignores the values.
I have re-flashed, no change.
Highly frustrating.

[Tiber1337]

So... since the bios sets the clock speeds, if after flashing the bios you're getting WORSE than overclocking that means you're not flashing the proper settings.

28mh/s is pretty good, I'd suggest trying to flash the cards (individually) again and double check all of the settings

You got me wrong, so it's like this, I believe I had one system crash and that's when the change ocured.

Before:
-No biosmod and no OC - 25 mh
-No biosmod + OC > 27-28 mh

After the unknown change:

-No biosmod and no OC - 25 mh
-No biosmod + OC > 25 mh
-Biosmod + oc or non-oc > 25 mh

This happens on the SAME card. And on three different PC's with 3 different motherboards, holding 1 GPU each. mclock controller fail or what?

I'm having EXACTLY the same issues. Some of my cards will do 28Mh/s, some 25. No matter what I set, the miner ignores the values.
I have re-flashed, no change.
Highly frustrating.

I feel you bro

[vm1990]

best option might be from the gaming point of view, run a heavy stress test on them and see if it falls over or artifacts. stress test will point out if its something major as it will just fall over and bluescreen. 3dmarks a good test

[Tiber1337]

I'm having EXACTLY the same issues. Some of my cards will do 28Mh/s, some 25. No matter what I set, the miner ignores the values.
I have re-flashed, no change.
Highly frustrating.

So I've found out that the OS is causing it, I installed simplemining and on linux there is no such issue.

Practically, if you OC in Win10 and it crashes , some "auto-protect thingy or bug" gets turned on and you can no longer OC the memory properly

Now I need some good bios for rx480 4gb:) since most custom bioses are made for the 8gig version.