Voltage recommendations

DMF1986

DMF1986

DMF1986

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Hello

What would you say the safe overclocking voltages are for the below. They are both under a custom watercooling loop and my temps are not a issue, just want to make sure I am not pushing voltages to high.

R9 290 Sapphire reference card
i5 4670K

Thanks
 
DMF1986 said:
Hello

What would you say the safe overclocking voltages are for the below. They are both under a custom watercooling loop and my temps are not a issue, just want to make sure I am not pushing voltages to high.

R9 290 Sapphire reference card
i5 4670K

Thanks
Click to expand...

Not sure on your i5 but I wouldn't over volt a reference R9 290, they struggle to stay cool as it is. I have one in the post to me now :)
 
Doogles said:
Not sure on your i5 but I wouldn't over volt a reference R9 290, they struggle to stay cool as it is. I have one in the post to me now :)
Click to expand...

Hi as above they are both under a custom water loop my card rarely hits 60°c under heavy load
 
DMF1986 said:
Hello

What would you say the safe overclocking voltages are for the below. They are both under a custom watercooling loop and my temps are not a issue, just want to make sure I am not pushing voltages to high.

R9 290 Sapphire reference card
i5 4670K

Thanks
Click to expand...

As long as you keep vrm and core temps in check up to +200mv on the core and +100mv on aux voltage is fine under water cooling.
 
LtMatt said:
As long as you keep vrm and core temps in check up to +200mv on the core and +100mv on aux voltage is fine under water cooling.
Click to expand...

Does the aux voltage help memory overclocking

Also any voltage above stock and my card gets a horrible buzz & coil whine
 
DMF1986 said:
Does the aux voltage help memory overclocking

Also any voltage above stock and my card gets a horrible buzz & coil whine
Click to expand...

AUX voltage can sometimes help you get a little bit further when overclocking the core or memory. Its not memory voltage, but it can help get a little bit further. Its the same as PLL voltage for the cpu. That's as technical as my explanation gets im afraid lol. Pack will probably be able to explain it better.
 
Last edited:
Any info regarding my coil whine under load. It gets really loud with a +200mv increase.

I have read places that recommends leaving under load for hours to cure the whine/buzz
 
DMF1986 said:
Any info regarding my coil whine under load. It gets really loud with a +200mv increase.

I have read places that recommends leaving under load for hours to cure the whine/buzz
Click to expand...

Whatever causes it to make the worst, loudest noise, leave it doing that overnight and see what its like in the morning.
 
Just been installing some old games and under stock clocks and voltages running dx9 not dx10 my card will coil whine and I get black lines across the screen. These lines also flash to the pattern of the whine tone if you know what I mean.

Not sure if the cards faulty?
 
Yes other games but no we're near as bad.

I have wiped to OS with different versions
Tried different drivers
The card also black screens ( you can still hear the audio though)

All of this is also at stock
 
DMF1986 said:
Yes other games but no we're near as bad.

I have wiped to OS with different versions
Tried different drivers
The card also black screens ( you can still hear the audio though)

All of this is also at stock
Click to expand...

Does it black screen with the reference cooler on?
 
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