• Competitor rules

    Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.

Which cards support voltage control

Associate
Joined
13 Dec 2007
Posts
115
AS i look into which new GFX card to get one of my wants is to be able to increase voltages, something the gtx260 wont do.

Do all Nvidia cards now support this or just ATI?

I guess really I just need to know what to look for to ensure voltage control, is it a particular brand or all cards after a certain model etc?
 
doing some research I found the following:

If you were planning to buy one of the highly modified GeForce GTX models – EVGA’s Classified, MSI’s Lightning or Power Edition — then you might want to reconsider those plans.
There are number of threads on message boards about EVGA’s GTX 680 Classified, MSI’s GTX 680 Lightning and MSI’s Power Edition graphics cards. Long story short, NVIDIA has forbidden both the software and hardware voltage manipulation. So far only the software way was not allowed. This way EVGA could offer a EVBot plug for voltage manipulation on their flagship model. However, some people have noticed that the listings of the graphics cards at EVGA websites have changed — there is no EVBot support. It’s so confusing that few people have actually fought that their newly bought cards were faulty after checking them right after unpacking.

Here’s what Jacob Freeman from EVGA has to say:

Unfortunately newer 680 Classified cards will not come with the EVBot feature. If any questions or concerns please contact us directly so we can offer a solution.

Unfortunately we are not permitted to include this feature any longer.

It was removed in order to 100% comply with NVIDIA guidelines for selling GeForce GTX products, no voltage control is allowed, even via external device.

The same thing happened to MSI’s Lightning. Guru3D, a creators of Afterburner, were working with MSI to include a voltage manipulation from their software. Shortly after this announcement, NVIDIA has told MSI that it’s not allowed to do so. So only the first 5,000 units of this card could offer this feature. Nevertheless, MSI continued to do whatever they can to make their products the most competitive for overclocking enthusiast. The solution was quite simple, manipulation of the PWM system of their GTX 660 Ti and 670 Power Edition card. Unfortunately, their modification brought more problems than good. It turned out that one additional component could even stop your pc from posting. Here’s what Tom’s Hardware discovered after investigating the circuit of those graphics cards:

So what’s happening? A small component completely superfluous to the normal circuit in one of the ground connections causes major overvoltage in the PWM chip in question – instead of the 5 volts specified by Richtek, the chip is hit with up to 9.3 volts.

Ultimately this whole situation could indicate that GeForce 700 Series might not offer both software and hardware voltage manipulation. The reaction of the people has shown that NVIDIA’s decision might not have been the best. Particularly when few thousands of graphics cards were already made and sold with those ‘forbidden’ features.

And by the way, I’m quite sure that ASUS will likely follow those guidelines as well, by dropping VGA Hotwire feature for their TOP models.

for the record I have an MSi 7950 OC v2 and it is voltage unlocked.

Further research shows that it might be possible to bios flash Nvidia cards to unlock voltage but I can't see any empirical evidence so far to back this up. Although i admit to only having done a quick and dirty search on this
 
Back
Top Bottom