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LockedEVGA GTX 580 Fanspeed Unlocker v1.1 Released - 1/13/2011

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roller11
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/11 21:15:29 (permalink)
ty_ger07 
You state that at 0%, the fan may run 950RPM.  No. 
So you connected a 4 wire cable between a PWM header (that you set to 0%) and your gtx580 fan, right?  I mean you must have, otherwise  you couldn't say that I'm "wrong".  See, the problem you have is that anyone can connect any PWM fan to their mobo PWM fan header, set the speed to 0%, and see for themselves who is right and who is wrong.  So while your response to my post is "roller, you're wrong because I say you are wrong, and for no other reason" I have actually done the test so anyone who is interested can see for themselves.
Don't feel like connecting a fan?  This link proves you're wrong.  Scroll down to just below 'specifications' to the graph "speed v.s. Duty Cycle" 
 http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=6365753&CatId=2216
 
The graph shows 0% = 390RPM. 
I could post 20 more examples of your wrongness, but I'll do just one more.
http://www.newegg.com/Product/Product.aspx?Item=N82E16835426010
RPM ranges from 900-2000 RPM with this PWM fan, not 0- 2000RPM.   Look up any PWM fan you choose, it will show a minumum fan RPM of something more than 0 RPM.  Yet according to you, they should all be 0 RPM because minimum=0%.  Are all these fan manufactures lying, or are you wrong?
PWM operates on duty cycle and therefore 0% duty cycle can not physically create anything other than 0 RPM fan speed since no power would go to the fan at 0% duty cycle.
Clearly you have never designed a transistor amplifier as your two mistakes indicate.  The first mistake I addressed above.  Second, the fan does not get its power from the squarewave, that's just a high impedence control signal.  The drive current is from the +12VDC line which is present all the time regardless of duty cycle.  As the duty cycle approaches 0%, the driving transistor  will be driven by only the bias resistors that supply quiescent current to the base, so there will be some DC drive current, the amount  depending on the gain of the transistor and the bias.
If you mess around with electronics, like me,
Like you???  LOL!
I have stalled fans before as this has been an interest of mine in the past.  I have noted that a fan can operate at very low duty cycle, but that once it stalls, the duty cycle % required to get it back in motion was much higher than the duty cycle required to keep it in motion when not stalled.  I can record this for you if you wish. 
No need, that's the only thing in your post that is semi accurate. 
Preventing a stall prevents unexpected operating conditions from existing and thus wild changes in fan speed and temperature of the item which the fan is cooling will not occur.
Fluctuations are  normal in an GPU, they aren't a problem.  Heat is a problem, so  all that matters is the actual temperature, not whether or not that temperature changes over time.
what would not be fine is the behavior of the fan and GPU core temperature fluctuation once the card entered back into 3D load. 
Temperature fluctuations are normal under 3D load they don't cause damage.
 



Would this stalled fan operation be acceptable to the consumer?
Yes, of course.  All that matters is that the GPU stays within it's safe operational temperature.  Whether or not that temperature is constant is of no concern, ICs will always change temperature (fluctuate), doesn't hurt them.
 
The issue isn't how a PWM controler works, it's whether or not a GPU that is running cool is in jeapordy.   If the 30% restriction was changed to 0%, the only change would be on the cool end of the temperature scale.  The max temperature would not be affected * at all *.  Therefore there is no logical reason for the 30% restriction.


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ty_ger07
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/12 01:24:23 (permalink)
You further illustrate my point and further show that restrictions exist for a purpose.
 
What is the difference between a 2 wire PWM circuit and a 4 wire PWM circuit?  The difference is that a 2 wire PWM circuit incorporates the switching FET prior to the ouput to the fan while the 4 wire PWM circuit incorporates the switching FET in the fan itself.  The 4 wire PWM circuit is preferred because it allows for fan tachometer feedback whereas a 2 wire PWM circuit does not allow for fan PWM feedback (even if it had a third wire for tachometer feedbacK) since the PWM pulses to the fan would corrupt the tachometer feedback and render it unusable.  Thus, a 4 wire PWM fan circuit relies on the fan circuitry to complete its function.  You cannot have a properly functioning 4 wire PWM circuit without the switching FET circuitry in the 4 wire PWM fan.  Thus, the biasing you refer to in the fan is part of the 4 wire PWM fan control circuitry and thus you see that its built in stall protection is part of the "restriction" I am referring to which is designed to prevent stalls.  If there were not restrictions, the fan would stall.  You argue that no restrictions are necessary and then explain to me why restrictions are necessary.  Are you trying to confuse me?

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roller11
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/12 13:07:57 (permalink)
ty_ger07 
 If there were not restrictions, the fan would stall.  You argue that no restrictions are necessary and then explain to me why restrictions are necessary.  Are you trying to confuse me?
When I said there's no logical reason to have any restrictions at all, I'm sure you understood that I was speaking strictly about the "minimum fan speed" value in the fan control section of the bios.  That and nothing else.  
Your position is that there is something inherently 'bad' about a fan turning 0 RPM irrespective of GPU temp.  That is, even if a GPU was -100C you must still have a fan with some non-zero fan speed.   Fan and fan speed is not merely an implementation detail, it's an end unto itself. 
 
My position is that the fans only purpose is to cool the GPU to a safe temperature.  So if the GPU is cool, no need to force excessive fan speed.
 This argument  is beside the point because the fan speed is controlled by the profile, not the minimum fan speed value.  Evga could  keep the profile as is with its stall proof curve, and at the same time lower the minimum fan speed from 30% to 0%.  That way, the default profile remains as is, and the people who want the curve to start at 0% can  create their own custom curve in Precision or Afterburner.  There's no reason to deny the end user their right of choice, especially considering there is no safety issue given the built in override in the bios.  The fan will go to 100% if the GPU temp reaches 96C and there is no software that can override this safety feature. 
Therefore, there is no logical reason to have any restriction at all TO THE MINIMUM FAN SPEED VALUE IN THE BIOS.
 I made a big deal out of the fact that 0% fan speed does not mean 0 RPM cause I got tired of the "yur gonna burn up yur card, man!" crazies.  While true it's beside the point.  The lowering of the minimum fan speed value would have no affect *at all* once the temperature reached about 60C, and then only if someone created his own custom profile.


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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/12 13:27:12 (permalink)
EVGA_JacobF

Ok, I think I know where the issue is.

For you guys who have a Black Ops card, and are not able to apply the update, send me a mail at jacobf@evga.com.

 
For what if you don't answer? Just kidding, hopefully you'll check your mails soon.


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pstlouis
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/12 21:17:45 (permalink)
work like a charm. I overclock to 850/1700/2100 and was and need to increase fan speed. thank's EVGA.
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hambone07si
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/17 07:52:01 (permalink)
So there's really no point to upgraded to the new bios if I leave my fan at 60% in 2d mode and 70% in 3d mode? Idle temp 30c and load 72c @ 900/2004 1.075v..

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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/18 13:42:17 (permalink)
Lets say one uses the SC version on a normal one, what would happen?
And WTH is this?
Make sure no programs are running in the background, and double click update.exe.
 
I mean what? Should i quit everything in my taskbar? Steam, skype, etc?
post edited by douglatins - 2010/12/18 14:24:36
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pstlouis
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/18 15:20:23 (permalink)
use gamebooster to disable background program + anti-virus and it will work fine. I think Jacob that for the production line the superclock version must have the fan unlock to kept the temp low.
post edited by pstlouis - 2010/12/18 15:23:26
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douglatins
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/18 16:05:52 (permalink)
ok but can i use the SC version in a normal one? i would get SC clocks then? and OMG evga forum is SLOWWWWW
post edited by douglatins - 2010/12/18 16:17:49
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pstlouis
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/19 20:25:49 (permalink)
douglatins

ok but can i use the SC version in a normal one? i would get SC clocks then? and OMG evga forum is SLOWWWWW

I will try first to overclock to 797/1534/2050. Then try to use the superclock version but if it fail i think the warranty will not be applicable i will prefer to use the proper file to update then overclock to the superclock version.
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/20 06:03:02 (permalink)
I already Oced to 900/2100. But i guess you are right
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/20 11:01:14 (permalink)
oOfuZedOo

Doesn't work for me. Just telling me "No display adapters were found that are compatible with this update"

Running 2 GTX 580 BO in SLI

 
EVGA_JacobF

Ok, I think I know where the issue is.

For you guys who have a Black Ops card, and are not able to apply the update, send me a mail at jacobf@evga.com.

 
Never got any answer... So no support for customers? THX


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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/20 17:11:52 (permalink)
have you use the file for the standard version or the superclock version douglatins ?
EVGA_JacobF
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/20 17:36:49 (permalink)
oOfuZedOo

oOfuZedOo

Doesn't work for me. Just telling me "No display adapters were found that are compatible with this update"

Running 2 GTX 580 BO in SLI


EVGA_JacobF

Ok, I think I know where the issue is.

For you guys who have a Black Ops card, and are not able to apply the update, send me a mail at jacobf@evga.com.


Never got any answer... So no support for customers? THX

 
I looked but couldn't find your mail, I just sent it to you.
 
-Jacob


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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/20 19:27:47 (permalink)
Will this "Fanspeed Unlocker" bios feature going to be included with the next stocks of the GTX 580's cards? would be nice to buy a new 580 having this included already on the bios other than flashing it on.
 
Thanks Jacob :)
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/20 19:34:21 (permalink)
Sorry, it will not be on production cards.


tom7058
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/20 23:00:38 (permalink)
Can someone post the link for me again? I can't download..:(
grabibus
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/21 17:00:16 (permalink)
Hi,
I am interesting by this flash because I am stable at the moment at GPU=900MHz@Vgpu=1,1V in games (Like Black Ops for example) with 85% fan speed. This stability must be confirmed on more hours of games.
I can also benchmark at 910MHz for GPU (3DMark06, Furmark) without any problems.
 
I would like to go to 100% fan speed to check if I can go higher with voltage.
 
before flashing, I have 3 questions :
 
1/ Does this flash remove warranty ?
 
2/ I can't unlock voltage control in MSI Afterburner, I can only use NVIDIA Inspector...Should you now why ? Because I have XP ?
 
3/ Which Gpu voltage maximum do you recommend with stock cooling for the GTX580, even at 85% or 100% fan speed ?
 
Thanks in advance.
post edited by grabibus - 2010/12/22 03:16:17

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grabibus
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/22 13:46:45 (permalink)
Ok,
 
I have flashed : works, except minimum value, I have 34% and not 30%, but I don't care. I prefer to be sure to get 100% :)
 
Could someone answer to my questions :
 
- Does this flash remover warranty ? I hope not...
- Why can't I unlock voltage controol with MSI Afterburner...? I use NVIDIA Inpsector finally....
- Which max GPU voltage do you recommend ?
 
Thanks.

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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/23 08:23:49 (permalink)
grabibus
- Does this flash remover warranty ? I hope not... 
- Why can't I unlock voltage controol with MSI Afterburner...? I use NVIDIA Inpsector finally....
- Which max GPU voltage do you recommend ?
 
- Company released BIOS will never ever void warranty.
-You need a new Afterburner, I think the latest beta version gives the feature.
-Dunno, each card is different, so there is no recommended.

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grabibus
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/23 09:33:43 (permalink)
Hi,
thanks. I use last version of MSI afterburner (v2.0.0)....

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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/23 10:36:33 (permalink)
Will this work with non EVGA cards?
NewEgg was out of EVGA so I got the PNY..

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EVGA_JacobF
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/23 11:08:26 (permalink)
Sorry, it only works on EVGA cards.


grabibus
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/23 14:25:08 (permalink)
Can someone tell me which max voltage can we apply on GPU ?
 
I assume there is a max value in the NVIDIA on EVGA spec?
 
Can we go to 1,15V without any damage ?
 

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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/23 23:25:36 (permalink)
GTX580 hardware voltage limit is 1.3v, 1.15 should be no problem.
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/26 20:54:16 (permalink)
Wow. I figured it would be much more difficult.
Just double click, press y, and wait. Didnt even have things fall apart or shut off while doing it.
+1 EVGA.
 
BTW, i am far happier with my 580 than i ever was with the 295. Not to mention, 2d surround is AWESOME with this much power. (well, with 2 580s).

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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/27 15:24:45 (permalink)
Hello Everybody.
 
I´ve just buy my first EVGA vga!!! . It's a gtx580 (1580 - vanila model).
 
I will flash it with this updated bios in order to improve its fan curve
 
Can I flash it with the SC bios in order to pre-overclock it from bios???
 
Thanks in advance and kind regards!!!
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/27 15:52:21 (permalink)
I have a question, does this affect the stock Voltage levels, or does it just change the max/min fan speed and nothing else, I'm not sure how fully a bios update, well updates things. I have a stock voltage of 1.000v and was wondering if the bios would increase the default voltage.
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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/27 15:55:43 (permalink)
It only changes the fan restrictions


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Re:EVGA GTX 580 Fanspeed Unlocker v1.0 Released 2010/12/27 16:11:12 (permalink)
z999z3mystorys

I have a question, does this affect the stock Voltage levels, or does it just change the max/min fan speed and nothing else, I'm not sure how fully a bios update, well updates things. I have a stock voltage of 1.000v and was wondering if the bios would increase the default voltage.

Default voltage will not be affected.


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