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The 55nm GTX 260 216 Overclock Thread - Page 78

post #771 of 984
Quote:
Originally Posted by Mikecdm View Post
Is your core actually running at 774mhz in the hardware monitoring tool? I ask this because in my experience with a 65nm gtx 260, the core clock will never exceed a 2:1 ratio with the shader, no matter what. By having the shader at 1458, the max core clock would be 729mhz which is exactly half of the shader clock. Trying to raise the core clock any higher wouldn't change a thing. Riva tuner or precision will still show the clock changes but in the hardware monitor it will remain the same. Gpu-z will also show what RT or precision show, but the actual clocks are what the hardware monitoring show.

My shader clocks are 1566mhz and my core clock is 783mhz. If I raise it to 800mhz, it will remain at 783 even though it shows 800 elsewhere.
Woops sorry is 772/1552/1150. Yes I go off what rivatune says in hardware monitoring and keep a close eye on it as in the past if I changed settings the core drops to 399! I think this was if the core was set faster than 1/2 the shaders...

As for Bioshock I think it was the quality setting in the Nvidia control panel - I had it set to quality but adjusted the AA/AF from there however I think a lot of other options set to quality were still crippling things. I've set the Nvidia control panel to performance and bioshock runs at max res (1920x1440 I think) - all settings high plays OK though occasionally frame rate drops to 20 but this is very occasionally and it plays OK so will probably stick with that...

Just had a look at the Nvidia panel again to see what the default value is and I guess it's 'let the 3d application decide' i'll try that next.
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post #772 of 984
If some-one understands the fan settings you can apply in the nibitor bios I would appreciate an explaination - I'd like 40% fan for 2d work (very quiet) and 60% for 3d but could be set-up to change to 60% above say 45 degrees.. I've had a go at some settings but they were useless (I tried lowering all temps 10 degrees e.g. tmin tmax toperating etc)
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post #773 of 984
My card seems to be diff. Stock clocks are 576 1242 999.
So if your right and the core is always half of the shader then that means the core shud be 621.
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post #774 of 984
Is OP still updating???
    
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post #775 of 984
Quote:
Originally Posted by men8ifr View Post
If some-one understands the fan settings you can apply in the nibitor bios I would appreciate an explaination - I'd like 40% fan for 2d work (very quiet) and 60% for 3d but could be set-up to change to 60% above say 45 degrees.. I've had a go at some settings but they were useless (I tried lowering all temps 10 degrees e.g. tmin tmax toperating etc)
this all depends on how hot you want the card to get...

for me, I have it set to go at 40% at anything below 45°C (so 37°C as TMin, there's an 8°C offset on my card's temps)...from there, the TRange slope is set to 32°C, so the fan speed will increase towards 100% as the temp gets closer to ~74°C...you can increase the TRange slope if you think it ramps up too fast
    
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post #776 of 984
So how does trange slope work - what does the 32 mean?

So if I set tmin as 37 the fan will start increasing in speed at 45 - if I have a 8 degree offset - at 50degrees I would like the fan at 60% - any suggestions thanks.
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post #777 of 984
the Trange is your temp range...32 is the degree difference from when the fan starts to speed up from 40% to when it hits 100%

if you want 60% at 50°C, you'll need to put in a Trange of 16°C I think
    
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post #778 of 984
Hi, I'm new to this thread (and site) and thought I'd post my results.

I have a XFX GTX 260 55nm. Stock clocks are:

Main clock: 576

Mem clock: 1000

Shader: 1242

Voltage under extra is 1.12

Overclock results

Main: 741

Mem: 1211

Shader: 1598

100 percent stable as well. I guarantee I could go higher but I'm not so sure I want to Also, the card stays pretty cool as well (never hits 70C). Add to the fact that I got this card for $169 and the deal is all the better. Couldn't be happier with this card.
post #779 of 984
Quote:
Originally Posted by PhilB View Post
Hi, I'm new to this thread (and site) and thought I'd post my results.

I have a XFX GTX 260 55nm. Stock clocks are:

Main clock: 576

Mem clock: 1000

Shader: 1242

Voltage under extra is 1.12

Overclock results

Main: 741

Mem: 1211

Shader: 1598

100 percent stable as well. I guarantee I could go higher but I'm not so sure I want to Also, the card stays pretty cool as well (never hits 70C). Add to the fact that I got this card for $169 and the deal is all the better. Couldn't be happier with this card.
i got mine to around your settings..
all fine on testing etc.
But when returning to Crysis, after about 10min or so i was getting tearing..
Dropped it down to 710 and all's good.

any ideas??
    
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post #780 of 984
Anyone know why EVGA precisioin tool wont let me apply anything above 765ish? i put 775 and click Apply and it resets it to 750. Riva Tuner does the same thing.
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