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I have posted this some posts ago
sorry
No harm done mate
Quote:
Originally Posted by monteboy
Nice job Monte! You getting some solid clocks with it yet..? Most cases caps will help push 1.1core and 1.4mem on water...muchmuch better on LN.
Just FYI the "Memory Voltage" option in RBE doesn't change the memory voltage on the 5870/5970 for sure.
On those cards there are only 2 software controllable chips, two VT1156MF's, the first is for the GPU Core Voltage ( Vgpu ) and the second one is that weird Vddci.
Vmem & Vmemddq can be changed only by hardmod.
Wanna post a nice and simple guide for us? ;)Quote:
Originally Posted by BenchZowner
Still working on them ( need to confirm that they work properly, I don't want to be the cause of RMAs :p: ).
One person told me that this should be mvddq/mvddc... I would test it if I still have the card.
http://www.imagesforme.com/thumb/thumb_0ee9da09.jpg
Those seem to be correct ( I've found a soldering spot on the front side of the card though ) [ gonna check them out asap ]Quote:
Originally Posted by quake6
How much ohm do I have to use? I can't measure it right now so..
Thanks CL3P20 ....Quote:
Originally Posted by CL3P20
You're so right !
http://www.abload.de/thumb/3dmark05j6ky.jpg
Nice going!! 1.3core is nothing to balk at :rocker:Quote:
Originally Posted by monteboy
When does OCP kick in without mod?
You mean in numbers ( Ampere ) or frequencies ?Quote:
Originally Posted by Smoking
I mean, how much voltage can i set, before protection kicks in...
Can i run 3D with ~1,5V without any problems?
It's the clock frequencies ( GPU Core frequency ) not the voltage that plays a major role.
If OCP kicks in on a reference 5870 it's usually after 1250MHz GPU freq, AquaMark 3 is good for OCP testing ( especially the last scene, during the big explosion ) [ massive overdraw ]
I see... Then it's easier to solder trimmer to resistor and tune resistance to 18K ohms.
Thank you.
Testing one MSI 5870(Non Lightning), with software ~1250Mhz benchable. OCP maybe? Must do OCP mod and then we'll see.:)
EDIT:
http://www.upload.ee/thumb/436513/DSC_5012.jpg
Yesterday i did the mod... Unfortunately didn't find enough caps , but will get some.:)
Sadly I couldn't realize OCP/OVP and vGPU for 5850, any possible light on it my friends?
I tested a few 5870's up to 1.65V or so, and didn't get any OVP.
OCP was needed for most of the cards to get 1300MHz pass 3D Mark03, Vantage & AquaMark 3.
OCP mod should be the same for the 5850 ( I'll try to check it out later to confirm that )
Any vGPU solder mods for the non-reference 5850's?? (They dont have the volterra chip so they don't care about voltage changes via bios or afterburner or whatever)
I could take a few pics of my Sapphire 5850 non-ref if needed.
I believe there is already a topic about each non-reference card already in this section.
Did you perform a search ?
If there's no thread about your sapphire 5850 then open a new one about it, and take some good photos with macro because we'll need them.
I looked around and i found the threads but the voltage regulator chips mentioned in that thread are not the same as the one on my standard sapphire rev. 2 :(
It's an NCP5395T that is used to regulate voltage for CPU's on motherboards, too. I just hope it's software controllable, does anyone know that controller?
you check this? I wont to solder OCPmod on ref 5850 now, but I have a little doubt:shrug:Quote:
Originally Posted by BenchZowner
No sorry, it's not the same for the reference 5850.Quote:
Originally Posted by Diabolo80
And I don't have a card here to test.
Did you search the net in general with the keywords "5850 OCP" ?