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  #101  
Old 02-23-2014
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OS is only 2-3 weeks old and been run maybe 4 sessions. Was thinking driver sweep and enable 1 card at a time.
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  #102  
Old 02-23-2014
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Actually it sounds more like OCP.
OCP linky
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  #103  
Old 02-23-2014
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Quote:
Originally Posted by GFDuke View Post
Actually it sounds more like OCP.
OCP linky

NICE!!!!
3D, also try moving the cards to different slots. Witchy has an AB that works pretty well for OCing with. Not sure on your set up or id offer more input.
Yeah I can't even get $150 for my PNY GTX 580, they pay $200 for an EVGA lol! Its the same card, oh well. That's why i don't have any new cards the prices went through the roof, not gonna spend $700 on a card. No sign of prices falling anytime soon.........
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  #104  
Old 02-28-2014
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Well 1 anyone got hard mod for a 5870 lightning?
Got some CrossFire to work today!

3DMark05 - 56622 marks - 2x Radeon HD 5870 @ 1150/1300MHz
3DMark06 - 42695 marks - 2x Radeon HD 5870 @ 1150/1300MHz
3DMark Vantage - Performance - 41596 marks - 2x Radeon HD 5870
3DMark11 - Performance - 10538 marks - 2x Radeon HD 5870
3DMark11 - Entry - 15403 marks - 2x Radeon HD 5870 @ 1150/1300MHz

Aquamark - 420938 marks - 2x Radeon HD 5870


and the one last week with Tri-fire before my 1 of the cards started to shit.

3DMark03 - 192379 marks - 3x Radeon HD 5870 @ 1100/1175MHz
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  #105  
Old 02-28-2014
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Found this but not too sure how to implement it any clues?

Thread: http://www.xtremesystems.org/forums/...d-thread/page5
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  #106  
Old 02-28-2014
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Hes is talking about changing resistors to up the voltages Id assume, I read forward from the past to find it. Pretty much what you need is in that link, the resistors they use are adjustable(usually)

Quote:
1. changing the resistor should bring increased vMEM to max safe limit.. manufacturer did not realize gains past new voltage limit- so my guess is its not going to benefit.. VR should do just fine though.
2. OCP overall- as stated..overall GPUv OCP control/disable... OCP phase = OCP limit per phase - must for high vcore
3. vGPU is only VID, by default.. can still bump with software though, it just sets new default per VID mod.

hope that helps.

*vDDCI mod is must too... folks not seeing gains beyond ~1.25v though. I have not been able to monitor vDDCI for droop under load yet, but suspect capping might boost FPS in the same fashion PLL mod/cap works for 470/480
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Last edited by PhIlLy ChEeSe; 02-28-2014 at 04:38 PM.
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  #107  
Old 03-01-2014
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Quote:
Originally Posted by ThreeDhero View Post
Well 1 anyone got hard mod for a 5870 lightning?
Got some CrossFire to work today!

3DMark05 - 56622 marks - 2x Radeon HD 5870 @ 1150/1300MHz
3DMark06 - 42695 marks - 2x Radeon HD 5870 @ 1150/1300MHz
3DMark Vantage - Performance - 41596 marks - 2x Radeon HD 5870
3DMark11 - Performance - 10538 marks - 2x Radeon HD 5870
3DMark11 - Entry - 15403 marks - 2x Radeon HD 5870 @ 1150/1300MHz

Aquamark - 420938 marks - 2x Radeon HD 5870


and the one last week with Tri-fire before my 1 of the cards started to shit.

3DMark03 - 192379 marks - 3x Radeon HD 5870 @ 1100/1175MHz
nice work

maybe just having trouble with mixed brands? Idk man
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when those trolls start making love your VGA has no chance!
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  #108  
Old 03-01-2014
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Have you seen this? I don't think its a lightning. But check and see if the board layout is the same bro.
http://img405.imageshack.us/img405/3526/5870vmod.jpg
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Last edited by GFDuke; 03-01-2014 at 06:59 AM.
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  #109  
Old 03-01-2014
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Hey Duke i saw that but it isn't for the lightning.

Found a guy name T_M that did 2 OCP mods and the Vgpu about halfway through this thread.
http://www.xtremesystems.org/forums/...d-thread/page6
Which doesnt look too bad but somewhat hard to make out the mod points and the VR's he used.
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