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Flashing GTX460 few questions

post #1 of 9
Thread Starter 
Hey,
I currently have been OC the MSI GTX460 Cyclone edition 768mb and well at the maximum allowed MSI afterburner setting of 1.87v i feel like this card has more room.

It maxes out temperature wise 57 degrees. Most games dont do more than 55 degrees, a hot room + crysis means 61.

I was thinking, if i flashed it, i could force the fan to run high and loud and really push this card.

What is the safe range for a GTX460 and the max temperature i should ever see? The cooling capabilities of this card are great and i want to see their potential unleashed.

Vram is cool to the touch, never to hot, but if they do get hot if i flashed the bios i would buy vram heat sinks.

Currently running @ 925core, 2100mhz memory (1050mhz in GPU-z) @ 1.87v. For some reason crysis wants that many volts to be stable, but i can play any other game at 1.35v stably. So i know this card can really be pushed further i just want 1100mhz memory and 950 core perhaps. Metro2033 really could use OC.

** whats the max safe temps for a gtx460
** whats the max safe voltages if i flash the card?
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post #2 of 9
1.87V? There is no way. What are the real voltages we're talking about here?

We can go from there

I don't think you can mess with the fans via bios flash ... that's a driver thing ... at least, it was last I checked.
    
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post #3 of 9
No way would it run 1.87v, dodgy reading for sure..

Flashing wouldn't help the fan speed, Just force it to 100% 24/7.

80c Is the max I would run a GTX460 though people would argue otherwise..

if VRam temps are such a concern you can get "Universal" Memory heatsinks which are inexpensive.
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post #4 of 9
Come on guys surely you know he means 1.087v it was just a slight typo.

I would happily run my 460's upto 85 degrees but only during stress tests, 75 should be max during everyday gaming.

A lot of people have pushed their volts further, I think it's advisable not to go over 1.100v with air cooling as long as temps are fine (I think 1.200v is the max under water).

I say go for it just remember more volts isn't good for a gpu over the long term, but probably not going to be an issue if you upgrade cards every 2-3 years at 1.100v.
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post #5 of 9
Quote:
Originally Posted by Chobbit View Post
Come on guys surely you know he means 1.087v it was just a slight typo.

I would happily run my 460's upto 85 degrees but only during stress tests, 75 should be max during everyday gaming.

A lot of people have pushed their volts further, I think it's advisable not to go over 1.100v with air cooling as long as temps are fine (I think 1.200v is the max under water).

I say go for it just remember more volts isn't good for a gpu over the long term, but probably not going to be an issue if you upgrade cards every 2-3 years at 1.100v.
Well then it's a bit odd for him to have made the typos 3 times don't you think?

@2JZ Do not go over about 1.15V on air if you want your card to last over a month. I don't see the need for a BIOS flash for fan speed/voltage increase, both of these can be controlled by Afterburner and are limited so you have a lot less of a chance of killing your card.

Also just be sure you have some decent intake and exhaust fans just for the card (preferably one at the bottom of your case as an intake, one on the side panel as an exhaust or something similar?) because at 100% fan speed it will be throwing a lot of hot air out in your case. 85C I reckon is the highest acceptable temp for a 460 in my opinion.
Edited by Am* - 5/27/11 at 2:19am
    
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post #6 of 9
Thread Starter 
i meant 1.087v, sorry i made that one before i went to sleep i got confused a bit.. 1087mv i thought 1.87 volts for some reason, just mv to v conversion thats all lol.

I guess flashing it is not worth it, i doubt the performance will be much higher versus the cons. Thing is my setup is absolutely cold, my GTX460 thinks 50-60 degrees aint high (considering the low fan speeds). I have a 120mm fan blowing on the GPU as well. If i manually turned up the fan it would stay very low no doubt, which is why i thought of flashing it. My GPU does have one of the best cooling capabilities of all stock GTX460's.

Im surprised im even playing high end games, such as metro2033 maxed out @1920x1080, no DOF at playable FPS. I just wanted to OC a little bit higher so when it does dip down, it wont be 23fps but maybe 28fps which is better.

It wouldn't be a clock thats always running either, just for certain gpu heavy games, like Crysis (would have to have 45fps vs current 35fps).
Edited by 2JZ - 5/27/11 at 3:30am
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post #7 of 9
Are you sure the dips in performance aren't because of the 768mb memory bandwidth limit? I mean playing Metro at 1920x1080 and Very High, I've seen the memory hit 850mb on my 1gb's.

If that's the case no overclock will help you get away from that.
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post #8 of 9
There's not really any advantage to be gained by flashing bios unless you're having trouble with Afterburner ... AB can do everything the flash can, and more, plus you'll need to run it anyway if you want a custom fan profile, so ...
    
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post #9 of 9
Thread Starter 
i wanted to flash the bios just to get extra volts to OC the memory and core a bit more since im running only 55 degree loads with 50% fan. its the voltage thats posing a wall for me.
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