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How to use Memory voltage/aux voltage on my 580's

post #1 of 3
Thread Starter 
Okay, so I have 2 lightning xtremes in SLI and the highest stable clocks so far are 915/1830 with +68mv which means about 1.08v on the higher card. Memory has so far been at stock speed. I want to mess around with overclocking the vram, but I seems like much less of it can be overvolted. For example, to get 2140 stable I had to use +20mv, which was already close to have the slider for allowable voltage. How does the Vram react to more voltage? When should more aux voltage be applied? Will that help in higher clock speeds? Also, does the fact that my cards are being used in SLI mean that to get the same clock speeds as each single respective card, more voltage needs to be used in total?
post #2 of 3
Thread Starter 
Bump. I know someone has to know about this.
post #3 of 3
You'll need more volts for SLI to get same clocks.. or rather, you'll likely not see same clocks for SLI as what you get for single card. The difference won't be much maybe ~20 or something but it'll be there (if you see differently let us know).

Anyhow for me those AUX and MEM volts don't do anything useful. Why not just put volts to 1.138 - 1.15v and see what you get the cores to. Then raise AUX and see it if helps or not. Then remove that (back to defaults) and raise memory and see if increasing volts there help.

Like I said for me it does little to nothing but seeing as you have the cards.. try it and let us know.
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Just a 'puter
(18 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 6700K ASUS Maximus VIII Hero iGPU thanks to Nvidia 970 3.5GB Corsair Vengeance LPX CMK8GX4M2B3200C16 
Hard DriveHard DriveCoolingCooling
Samsung 950 PRO 512GB Crucial M4 256GB RX360 V3 Koolance CPU-380I 
CoolingCoolingOSMonitor
Koolance RP-452X2 Reservoir Koolance PMP-450 12V Variable Speed Pump Windows 10 Pro x64 benq XL2411Z 
KeyboardPowerCaseMouse
logitech G510 Seasonic X-760 Corsair 800D Mionix Castor 
AudioAudio
Creative Sound Blaster X-Fi Titanium HD DT 990 Premium 250Ohm 
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