So I dont really get this

T

thedocta45

[H]ard|Gawd
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Oct 10, 2007
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Okay so I have an evga 8800gts super clocked. Now why can't I seem to overclock this card?
Am I doing somthing wrong here?
wtf.jpg
 
I would use RivaTuner, especially since it will keep the overclock when you restart. Keep in mind that card is already highly overclocked it might not go too much higher.
 
How much of an over clock do people get out of a gts normally?
Wait do you have to restart the computer for the clock speed to get changed?
Ill try out that RivaTuner, also I find it kinda weird that I can not control fan speed.
 
What can't you OC about it? Does it lock-up when you try moving the sliders?

Most GTS (A2) get 600-621, A3 get a bit higher and run a little cooler.
 
Well I got RivaTuner, its a much better program, I can adjust the fan speed now.
However the GPU core does not seem to be changing in the Nvida monitoring tool.
But when I change the memory clock it steps up the clock in the Nvida tool.
Is it bad to run the fan at 100%?
 
Thats odd i just stepped the card up to 600 and the core clock jumped up, I guess its working now?
 
Yeah looks like it, I figured after thinking about it for a while it had to be something to do with
x3 or something, DDR3 I assume. Thanks for the handy chart that will be a nice reference.

Also after I brought the core up to 617 or (621) I was running 3dmark06 and during the airship test the screen flashed black or so it appeared. I'm thinking thats not a good thing.
If anyone knows what causes that plz let me know.

Also quick question about the Shader if I clock the core at 612 does that mean the shader can go no higher than 1404
 
thedocta45 said:
Yeah looks like it, I figured after thinking about it for a while it had to be something to do with
x3 or something, DDR3 I assume. Thanks for the handy chart that will be a nice reference.

Also after I brought the core up to 617 or (621) I was running 3dmark06 and during the airship test the screen flashed black or so it appeared. I'm thinking thats not a good thing.
If anyone knows what causes that plz let me know.

Also quick question about the Shader if I clock the core at 612 does that mean the shader can go no higher than 1404
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if you uncheck the box to link the clocks you can adjust the shader separately.
when the screen flashed black, did your pc hang, or reboot? or did the benchmark finish normally?
 
how are u able to over clock in vista??? rivaturner does not work for me and i dont have an overclock bar in the control panel.
 
The system didn't hang at all, it didn't crash, and the benchmark was the best one i have had yet 9.1k or so.
Its a Dell btw so it could be the psu being all 375w about itself.

As to how I'm able to oc in vista, the nvidia tuning software didn't work at all couldn't adjust fan speed. But rivatuner works fine for me make sure your an admin. If you are sometimes this helps.

Run the program as an admin. Right click properties and go to the compatibility tab
runasadmin-2.jpg
 
i mean rivaturner works but it wont let me over clock........how did u even get the over clock options in control panel?? i dont even see them.
 
ntune and/or nvidia control panel do not let you overclcok in vista (yet). you have to use rivetuner or atitool or maybe nhancer. also, i think there is something called nvpage?
if you cant use rivatuner to overclock in vista, you are doing something wrong, read the faq on the rivatuner homepage.
 
vanilla_guerilla said:
ntune and/or nvidia control panel do not let you overclcok in vista (yet). you have to use rivetuner or atitool or maybe nhancer. also, i think there is something called nvpage?
if you cant use rivatuner to overclock in vista, you are doing something wrong, read the faq on the rivatuner homepage.
Click to expand...
what the hell are you talking about? I can overclock just fine using ntune on Vista. sometimes the occasional driver might have broken the ability to overclock but that can happen for various reasons and on both XP and Vista. I have had about 10 to 12 different nvidia drivers since using Vista and only one set(163.67 I think) borked the overclocking.
 
Whoa, whoa, whoa, wait, you're telling me you're using a GTS on a PC with a generic-quality 375W?
 
Mr. Stryker said:
Whoa, whoa, whoa, wait, you're telling me you're using a GTS on a PC with a generic-quality 375W?
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settle down there Mr. Big Letters. that Dell 375watt psu will be fine for an 8800gts. that is the same 375watt psu that came in XPS 410 that could be configured with an 8800GTX right from Dells site. it is a good unit with more than enough amps. hell his whole system including the 8800gts wouldnt even pull 275watts much less 375.
 
dennab205 said:
settle down there Mr. Big Letters. that Dell 375watt psu will be fine for an 8800gts. that is the same 375watt psu that came in XPS 410 that could be configured with an 8800GTX right from Dells site. it is a good unit with more than enough amps. hell his whole system including the 8800gts wouldnt even pull 275watts much less 375.
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quite right. Its an OEM PC power and cooling 375W psu. It'l be fine. PSU overkill is really quite a phenomina. It doesn't look like its gonna happen, but I'm betting my neo HE 550W can handle 2 8800 GTX's.
 
Tried running 8800GTS SLI on my HX 520W, 3dmark06 score remained the same as a single card then the system turned off. (That was when I had the EVGA 680i AR a while ago)
 
Mr. Stryker said:
Tried running 8800GTS SLI on my HX 520W, 3dmark06 score remained the same as a single card then the system turned off. (That was when I had the EVGA 680i AR a while ago)
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well looking at the rest of your system theres no way that 520watts wasnt enough. That HX520 is a good psu with plenty of amps and your system besides the two 8800gts cards is relatively tame.


EDIT: oops I didnt notice all the overclocking. also how many drives do you have??
 
Second GTS belonged to my roommate, we did it for the lulz, but after it shut down we were like "whatever." :rolleyes:
 
i ran 8800gts 640mb sli for 9 months using a sunbeamtech 550 nuuo. rest of the machine was maybe a little above average power consumption-wise - 6600 c2d oc'd, 4 hdd, 2 optical, 5 120mm fans, 2gb ram. i agree with the other guy re psu overkill "if you gonna run an ultra you need at least 850 watt psu" type stuff.
 
To help out user I'm going to run through some screens of ocing with rivatuner.
But first anyone have an idea about my screen flashing black during 3dmark?
Mine is currently at stock as I don't feel safe running the gpu oc'd until i figure out about the black screen.
You might be asked to reboot your computer to detect base bus speeds, I would recommend rebooting just to clear any changes you may have accidentally made.
Consult jmackay's table on clock stepping for the 8 series. Its on the first page.

step3.jpg


step4.jpg
 
hey man thanks for the pics but my issue is when i click allow overclocking, i get that popup to detect speed or reboot........and thats all. if i hit detect, nothing happens. if i reboot and run again and hit detect, nothing happens. the program does not crash, it just wont allow me to change the settings. ive even unstailled rivaturner, rebooted, then reinstalled. and same thing. this sucks.
 
User are you logged in as an admin? Also check to see if a quick launch box pops up that says windows has blocked a program at start up.
ps can anyone tell me about the black screen, I ran the test again and my fps droped a bit after the black flash.
I guess its the video card either going out of sync with the monitor or I just oc'd the gpu too much.
Its runs fine at the 576 clock but not at 621.
 
Well thats quite odd, I can not offer any other solutions.
Some times computers just do weird shit.
Its not like oc a gfx card does too much you might gain 2-3 fps in game. So its not really a huge loss.
If thats any condolence.
 
thedocta45 said:
Well thats quite odd, I can not offer any other solutions.
Some times computers just do weird shit.
Its not like oc a gfx card does too much you might gain 2-3 fps in game. So its not really a huge loss.
If thats any condolence.
Click to expand...

i dunno the voices in me are saying to buy an ultra... must......not...............listen..............
 
I had a similar problem but i realized it was because i had beta drives 169 The only thing that overclocks it is horrible ! anyone know of programs that can oc the beta driver for crysis
 
brahim said:
I had a similar problem but i realized it was because i had beta drives 169 The only thing that overclocks it is horrible ! anyone know of programs that can oc the beta driver for crysis
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ntune works fine for the 169.01 drivers in Vista
 
thedocta45 said:
Its not like oc a gfx card does too much you might gain 2-3 fps in game. So its not really a huge loss.
If thats any condolence.
Click to expand...

With your average card that would be true but the insane overclocks you can pull off on the 8 series will most likely get you a bit more than 2-3 FPS.
 
user3657 said:
hey man thanks for the pics but my issue is when i click allow overclocking, i get that popup to detect speed or reboot........and thats all. if i hit detect, nothing happens. if i reboot and run again and hit detect, nothing happens. the program does not crash, it just wont allow me to change the settings. ive even unstailled rivaturner, rebooted, then reinstalled. and same thing. this sucks.
Click to expand...

I actually had the exact same problem, I think its because of using Aero, as the card will always run @ full speeds. So just up the 2d one not the 3d.
 
people who list fans as something that consumes alot of power are funny.

.2A X 12V = 2.4W :rolleyes:
 
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