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"Overclocking advice."

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Tue 21/12/04 at 22:36
Regular
"Just ram it in!"
Posts: 1,036
I want to start over clocking my 9800pro but i just want to ask a few questions before I start.

1. How well will the stock H/S and fan hold out, will it be worth getting one of those Artic cooling things and could you point me in the direction of the right model, I heard some will cool better then others plus will they fit on any 9800pro board (I have a connect 3D one). Will it void its warranty if i remove the original H/S and fan?

2. How far should I go? i only want a few extra fps out of games without killing the card. At the moment the core clocks at 378 and the memory clocks at 337.

3. What will happen if it overheats? Will it go in to some kind of failsafe or will it just fry?

Well thanks for help in advance, any other tips you have I don’t mind reading
Thu 23/12/04 at 22:17
"I love yo... lamp."
Posts: 19,577
Hmmm. I've had good experiences of it. I got past 600 MHz on the core.
Thu 23/12/04 at 10:21
Regular
Posts: 10,489
ATI-Tool is a bit w**k to be honest.

I did the test to see what GPU and memory clock it could be set to and only got around 14/12 increase for both despite the fact that 60/40 for both is still stable and doesn't cause image problems. ATI-Tool doesn't take into consideration the cooling system you have or how decent the airflow around your case is.

I have tried quite a few overclocking tools, both ATI specific and general and to be honest the only one I have found to not take up a lot of resources to run or run in the taskbar in order for the changes to be picked up is RadLinker. It is simple to use and at the end o the day the only values that actually matter are the Core clock and Memory clock. It still enables you to compress textures for OpenGL games so I can't really see why people seem to have such a problem using it.

Simple, easy and effective.
Wed 22/12/04 at 20:16
Regular
"Just ram it in!"
Posts: 1,036
I think. My memory is hazy.
> Still, the Rev 4, ATI Silencer 1 is supposed to fit the 9800 Pro's,
> so where do you get it not being compatible from, as most of them
> were 128 MB versions.
>
> You could always invest in some RAM sinks. I've been considering
> some.

Nah my fault, there are two Rev 4's that fit the 9800pro, there’s one that fits the 9600 and a few others, and theirs one just for the 9800 series but it wont fit on the 128mb cards.
Wed 22/12/04 at 16:37
Regular
"+34 Intellect"
Posts: 21,334
poopots wrote:
> Ok I already have this radlinker but that other one sounds quite good,
> how will it know when to stop then, can it read the temperature?

No, ati tool pushes up the value until the graphic that it renders produces an error, you just leave it running to find the maximum core and memory settings.
Wed 22/12/04 at 16:36
"I love yo... lamp."
Posts: 19,577
ATI Tool doesn't base things on the temperature, but on when it detects errors coming in. This often the result of overheating, although sometimes is just the limit of the card. When it detects errors at a particular speed, it will then back it down to a speed it already knew to be stable. Of course improved cooling will mean that these errors are more likely going to be at a higher speed.

The Rev 3 cooler doesn't cool the RAM chips on the card, which is what held me back in the past. The Rev 4 cards do, or at least the ATI Silencer 4, for the X800 series does. I think. My memory is hazy. Still, the Rev 4, ATI Silencer 1 is supposed to fit the 9800 Pro's, so where do you get it not being compatible from, as most of them were 128 MB versions.

You could always invest in some RAM sinks. I've been considering some.
Wed 22/12/04 at 12:38
Regular
"Just ram it in!"
Posts: 1,036
Will these Artic cooling things cool the ram on the back of the card?
Wed 22/12/04 at 12:36
Regular
"Just ram it in!"
Posts: 1,036
Ok I already have this radlinker but that other one sounds quite good, how will it know when to stop then, can it read the temperature? Also the Arctic Cooler REV.4 for the 9800 don’t support the 128mb being a logical person the REV.3 should be the next one down?
Wed 22/12/04 at 08:37
Regular
Posts: 10,489
For starting out grab Radlinker. You can tweak GPU and Memory clock, adjust advanced properties for both Direct3D and OpenGL and it runs as an added tab in your ATI settings and it doesn't need anything to run on the taskbar. You can select it to boot at those speeds and you can play about with it easily enough.

Grab an Arctic Cooler REV.4 for the 9800 cards and some Arctic Silver 5 thermal paste (expensive stuff but by far the most effective). Providing you don't go stupidly over the top, your PC has a decent airflow and you use a bit of common sense you won't damage your PC.

Overclocking is taboo for a lot of people but it really isn't that harmful providing you think about what you are doing and clock in small steps.
Wed 22/12/04 at 03:18
"I love yo... lamp."
Posts: 19,577
The way to overclock the card is by getting ATI Tool. Google for it.

You hit the find maximum core button to find the highest possible safe speed for the core, and the find maximum memory button to find the highest possible safe speed for the memory. You will get a bit of an increase, I don't know how much though, and it will be fine.

Getting an Arctic Cooling VGA Silencer will keep everything that bit cooler and will mean that the max speeds will go up. ATI Tool pushes it as far as it will go.

That's just the nice easy stuff. There's a lot more that you can do if you decide you want to get techy about it.
Tue 21/12/04 at 22:36
Regular
"Just ram it in!"
Posts: 1,036
I want to start over clocking my 9800pro but i just want to ask a few questions before I start.

1. How well will the stock H/S and fan hold out, will it be worth getting one of those Artic cooling things and could you point me in the direction of the right model, I heard some will cool better then others plus will they fit on any 9800pro board (I have a connect 3D one). Will it void its warranty if i remove the original H/S and fan?

2. How far should I go? i only want a few extra fps out of games without killing the card. At the moment the core clocks at 378 and the memory clocks at 337.

3. What will happen if it overheats? Will it go in to some kind of failsafe or will it just fry?

Well thanks for help in advance, any other tips you have I don’t mind reading

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