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Best way to turn off Crossfire 6950's when game doesnt benefit (like playing TERA)

post #1 of 4
Thread Starter 
I recently added a second 6950, which I flashed to 6970 specs and then overclocked them both.

But it appears that my favorite game, TERA Online just doesn't like crossfire at all and it does nothing for play/fps. Since I'm not getting any gains and notice micro-stuttering now.... I want to know the best way to disable the second graphics card.

Naturally, I can select the "disable crossfire" option in the AMD Catalyst suite and then just leave it that way..but does that mean the second 6950 will not consume power? Or is it still going to draw significant power from my 850w PSU?

I don't see any sense in powering a GPU I'm not using..plus the extra heat too.

I suppose I could physically just remove the second card from the motherboard...but is there an easier way to make it just shut off? While still keeping the card in the PCIe slot and the (2) 6-pin connectors to remain attached to the card?
post #2 of 4
Play in windowed full screen, it disables crossfire
post #3 of 4
What beaver said would be the easiest way so I agree with him!~.....As far as power draw goes i have no idea but ill just assume since you have the Pcie- e cables going to both the cards its gonna be sucking juice out of your psu no matter what you do,best way would be to monitor your power draw using Msi afterburner and watch to see how much power they are sucking down~ I run 6970 crossfire so i totally understand where you are coming from lol. Running in windowed mode automaticly disables crossfire but power draw? Not sure,probbly not lol.Just un-hook the power cables to the 2nd card to be sure if you dont want it running but you can still leave it in the slot.thumb.gif.................Another old time gamer here,well more like an old fart compared to some of these guys here haha.
     
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CPUMotherboardGraphicsGraphics
amd fx 6100 asus m5a97 msi radeon 6970 Msi radeon 6970  
RAMHard DriveOptical DriveCooling
corsair vengence BLUE  baracuda seagate 7200 rpm asus sata 24x drw thermaltake contac 30 cpu cooler 
OSMonitorKeyboardPower
windows 7 home premium 64 bit LG 26 inch led 1900x1080 resolution logitech mk 260 coolermaster 750 watt gx bronze 
CaseMouseMouse PadAudio
coolermaster 430 elite logitech mk 260 logitech mk 260 sony reciver hooked up to asus optical port 
OtherOther
2 blue cathode lights and 4 coolmax blue led f... Modright sleeved blue molex to sata x 4  
  hide details  
Reply
post #4 of 4
Create a no cfx custom profile for the game.
Mighty-iTX
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Mighty-iTX
(12 items)
 
One foot in..
(17 items)
 
mATX
(12 items)
 
CPUMotherboardGraphicsRAM
i7-4770K M7-Impact Strix GTX980 Samsung 
Hard DriveCoolingOSMonitor
Crucial M4 256 Glacer 240L W8.1 K272HUL 
KeyboardPowerCaseMouse
Saitek Seasonic X-650 Prodigy MX518 
CPUMotherboardGraphicsGraphics
4770K/45/43 Maximus VI Extreme R290X R290X 
RAMHard DriveHard DriveOptical Drive
Samsung Crucial M4 64GB RAIDR LSSWM 
CoolingOSMonitorKeyboard
Cooler Master Glacer 7 Ultimate 64 SyncMaster Eclipse 
PowerCaseMouseMouse Pad
XFX 1050 BE 600T Silver MX518 Desk 
CPUMotherboardGraphicsRAM
i5-4330 Z87 Gryphon GTX690 G.Skill RipJawsX 
Hard DriveCoolingOSMonitor
WD Blacks Hyper 212 W8.1 ACER 
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