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Topic: OC too much?  (Read 5399 times)
LilAznHobo
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« on: June 18, 2005, 08:38:48 PM »
hi i have a nvidia 6800 gto which stock speed are 300 (core) and 900 (memory). i have OC'ed this card to 400 core and 1000 memory. the problem is  whenever this card reaches 90 degrees celcius in the temperature display under the card properties thing it would show weird color flashing., the game would also be sliggish by having 20s fps. in counter strike for example the boxes  would flash color from teal to purple and ever checkered colors. than all of a sudden the game would freeze and play the last sound over and over again then either shuts down or just stay like that forver. do think i OC'ed the card too much or is it a heat problem that is causing this weird color artifact? could it be too much on the core or the memory?  i have no clue guys but its getting annoying cause getting to 90 is pretty easy. thnxs guys.
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« Reply #1 on: June 18, 2005, 09:00:23 PM »
Quote from: LilAznHobo on June 18, 2005, 08:38:48 PM
hi i have a nvidia 6800 gto which stock speed are 300 (core) and 900 (memory). i have OC'ed this card to 400 core and 1000 memory. the problem is whenever this card reaches 90 degrees celcius in the temperature display under the card properties thing it would show weird color flashing., the game would also be sliggish by having 20s fps. in counter strike for example the boxes would flash color from teal to purple and ever checkered colors. than all of a sudden the game would freeze and play the last sound over and over again then either shuts down or just stay like that forver. do think i OC'ed the card too much or is it a heat problem that is causing this weird color artifact? could it be too much on the core or the memory? i have no clue guys but its getting annoying cause getting to 90 is pretty easy. thnxs guys.

Yes. You are definately OC'ing too much. 90 degrees celsius is very hot for your card to run at, especially during gaming. You either need to get really good cooler or clock it down a little. I would get better cooling.  Very Happy The problem could also be that the card can't handle an oc to that extreme. It could be memory or core performance.
« Last Edit: June 18, 2005, 09:02:26 PM by organ_shifter » Logged
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RTB
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« Reply #2 on: June 19, 2005, 02:02:26 AM »
Definatly the core going too fast. Dude, that's a 33% OC! Without extreme cooling I wouldn't do that. Stick to a max of about +10% (350 MHz core/~1000 Memory in your case) and be sure you have good cooling, aka NOT stock. Try to keep the maximum temperatures below 80, preferably 70 or less.
« Last Edit: June 19, 2005, 04:33:25 AM by RTB » Logged
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« Reply #3 on: June 19, 2005, 03:04:09 AM »
well first thing......you're a little wrong....6800gt will run at least 350 core and 1000memory...so, you're safe with that overclock if you have the necessary cooling
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« Reply #4 on: June 19, 2005, 04:31:12 AM »
Quote from: disturbed on June 19, 2005, 03:04:09 AM
well first thing......you're a little wrong....6800gt will run at least 350 core and 1000memory...so, you're safe with that overclock if you have the necessary cooling

I'm not doubting the fact that that card simply rules, but he's running stock cooling AFAICT, and that is in by far most cases not enough for such an OC. He's getting graphical glitches, so it's certainly  running too fast for his cooler.
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<scud> The other day, in the park, I was wondering why frisbees look bigger and bigger as they get closer to you
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« Reply #5 on: June 19, 2005, 08:23:32 AM »
You can get artifacts, checkerboard effects on textures, and a host of other malfunctions that can damage your card from ocing with improper cooling. It doesn't matter what card you're using. If you go too far with stock cooling, you will run into problems quicker than you would if you had a silencer. Don't play with fire. Get some cooling and be done with it.

Unless you are trying to show off some pretty high scores on 3Dmark05 or the like, ocing a video card with nice specs already and leaving it oc'd is useless. Even if you get it at a stable oc, you won't notice a difference in games that's worth writing home about. The performance increase will be so minute that you will be running hotter for nothing. All games/programs that you run should go over smoothly at default speeds with that card.

It's not worth it, but if you think that you are going to get better graphics from it (which you won't), get high end cooling. Risking damage to your card for a few more FPS that you won't even feel during gameplay is not the way to go. You need a benchmark program to see the results from a small oc like that, because you won't notice it. Very Happy
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LilAznHobo
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« Reply #6 on: June 19, 2005, 08:25:02 AM »
yeh i have stock cooling on this card with a exhaust fan right next to it. what do u think i should do? buy? im such a noob and bout a dell thats why its prolly that hot. i hate myself.  angry5 but can there by any way to mod it and make it coooler? if i buy a new processor and mobo would u think my comp would let it run faster?  Neutral or is it the vid core itself that cant hadle it? thnxs o yeh i get 100+ fps at 400 and 1000 but i get around 80 at stock speed, can i not actually feel the difference? thnxs
« Last Edit: June 19, 2005, 08:29:55 AM by LilAznHobo » Logged
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« Reply #7 on: June 19, 2005, 08:31:39 AM »
What are you specs/setup? You probably just need a cooling silencer for your video card.

Check it out here: ARCTIC COOLING NV Silencer 5

Read the reviews from people just like you, and with the same card as you. They seem to be satisfied.  Very Happy
« Last Edit: June 19, 2005, 08:37:33 AM by organ_shifter » Logged
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« Reply #8 on: June 19, 2005, 11:28:20 AM »
i have a pentium 4 3.4 GHz processor with 1GB 533 MHz RAM , 160 GB Hard Drive, Nvidia 6800 gto Stock cooling at 400 core and 1000 memory , an exhaust fan right below that card, and a creative sound blaster live sound card. thats pretty much it with just the stock cooling that came in my dell 8400: there one 120 mm exahsut fan for the processor and a exhaust fan on the side of the case of the vid card also.

i have seen ppl mod their video card by putter copper heat spreadder on their RAM and a zalman heatsink on the GPU? is that a better way to coolor my card or is the silencer the best way?
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« Reply #9 on: June 19, 2005, 11:51:45 AM »
Quote from: LilAznHobo on June 19, 2005, 11:28:20 AM
i have seen ppl mod their video card by putter copper heat spreadder on their RAM and a zalman heatsink on the GPU? is that a better way to coolor my card or is the silencer the best way?

Well, you can't go wrong with copper heat spreaders on the ram, but even with just the silencer, you'll be good. The ramsinks/spreaders would definitely help out on the memory ocing while the silencer keeps the gpu core nice and cool for higher MHz. The silencer will produce more air flow in that area, and with the exhaust fan right under the card, your memory will be cooler either way.
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« Reply #10 on: June 19, 2005, 12:04:04 PM »
I had no idea this would be so easy to install on my XFX GeForce 6800GT. If you're worried that this will be hard to install, have no fear. It's the easiest-to-install replacement cooler I've ever used.

It really is quieter than the stock cooling. However, on my system, my GPU now runs 5-10 degrees C hotter than it did with the stock cooling. With the stock cooling I was seeing between 60 and 70 degrees C, and with this cooler I see between 65 and 80 degrees C.

The tradeoff is that my case temperatures are lower, and when I close down a game the GPU cools off to around 65 degrees C much faster. I am willing to live with the higher temperature in exchance for the quieter cooler.


this reviewer claims his temperature went up !  Shocked Rolling Eyes Confused Laughing Mad
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LilAznHobo
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« Reply #11 on: June 19, 2005, 12:26:31 PM »
yeh his card is a nvidia 6800 gt thats prolly why its so easy but have anyone tryied it on a double slot card? like my 6800 gto or the ultra? cause the nv silencer is one slot
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« Reply #12 on: June 19, 2005, 01:17:42 PM »
Quote from: disturbed on June 19, 2005, 12:04:04 PM
The tradeoff is that my case temperatures are lower, and when I close down a game the GPU cools off to around 65 degrees C much faster. I am willing to live with the higher temperature in exchance for the quieter cooler.

this reviewer claims his temperature went up !  Shocked Rolling Eyes Confused Laughing Mad

I think you need to check on a few reviews of this nice cooler. Yours is problably barely touching the core, and which thermal paste did you use? AS5 is simply the best Smile
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<scud> The other day, in the park, I was wondering why frisbees look bigger and bigger as they get closer to you
<scud> And then it hit me
Click me. Or be diminished; one by one.
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« Reply #13 on: June 19, 2005, 01:31:46 PM »
I'm 99.9% positive that was a quote from a reviewer ;)
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LilAznHobo
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« Reply #14 on: June 19, 2005, 02:51:18 PM »
OMG...! this is very weird...i have under clocked my system from the 400 core and 1000 mem to 335 core and 990 mem...which is 10% increase... from the stock sppeds, but the  weird problem is my temperature went up...like 20 degrees up.! its now idling in the low 80 degree celcius. dam what should i do? should i lower my mem or what.. cuase the nv silencer is not coming any time soon.

ok i have found out there is a temperature bug in the nvidia properties display thing which shouws the temperture. i think the bug cause the display to inaccuratley show a 10 degree increase, because i have downloaded this program called everest and its showing that my sensor is actually saying the GPU is running at 74 degrees celcius, but the 84  i was stating before. man thats a major difference! but its still hot..
« Last Edit: June 19, 2005, 02:56:33 PM by LilAznHobo » Logged
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