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Old 01-31-04, 09:39 PM   #1
PerfectCr
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Thumbs up FX 5900XT (SE) Owners Discussion and O/C Numbers

My new sys specs are in my sig. I have not owned an Nvidia card since my GF 3Ti200 back in 2001. I am happy to be back in the fold

One question for my fellow FX5900SE owners. I'd love to overclock it, but I know EVGA used 2.8ns Memory on the card and the top speed is 700MHz. I don't want to fry the Ram. Is there a safe ram overclock on it?

Also, how high have you guys been getting the core?

I have overclocked all the video cards I have ever owned, but since this one is at it's limit (Memory at least), I am not sure I want to push it too far

Thanks for reading and it's good to be back in the Nvidia fold!
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Old 01-31-04, 11:11 PM   #2
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This is no offense to you personally, but I hate it when people ask about overclocking a video card. It's 100 percent dependent upon the exact card you get.

Take my BFG 5900NU, some folks who have this card and have BIOS flashed it have been able to pull stable overclocks of 500 core and 500 memory. Unfortunately, my card wasn't so lucky as my maximum stable OC is 485/485.

You could very well pull 450 on your card's memory, or it could artifact as low as 380, it'l purely luck of the draw. Your best starting point would be to install Coolbits (search the Foreware drivers forum for more info) and use its built-in auto detect feature as a starting point. Then increase the clock speeds in 5 MHz increments until you get lockups and/or artifacts. That's the only way you're going to find out exactly how far you can push your particular card - trial and error.

I'm sorry if that's too blunt, but that's just the way it is.
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Old 01-31-04, 11:13 PM   #3
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Quote:
Originally posted by saturnotaku
This is no offense to you personally, but I hate it when people ask about overclocking a video card. It's 100 percent dependent upon the exact card you get.

Take my BFG 5900NU, some folks who have this card and have BIOS flashed it have been able to pull stable overclocks of 500 core and 500 memory. Unfortunately, my card wasn't so lucky as my maximum stable OC is 485/485.

You could very well pull 450 on your card's memory, or it could artifact as low as 380, it'l purely luck of the draw. Your best starting point would be to install Coolbits (search the Foreware drivers forum for more info) and use its built-in auto detect feature as a starting point. Then increase the clock speeds in 5 MHz increments until you get lockups and/or artifacts. That's the only way you're going to find out exactly how far you can push your particular card - trial and error.

I'm sorry if that's too blunt, but that's just the way it is.


Um, I am not asking HOW to overclock a card. Had you read my post you would have seen that I have been overclocking video cards since the days of the Voodoo 3. This is simply meant to be a small database and discussion thread about the 5900XT. If you can't contribute to that, why post? To flame me?

There are always folks who like to see how far they were able to push their card.
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Old 02-01-04, 12:08 AM   #4
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My card uses 2.8ns memory, and without ramsinks I can run stable @ 450/750... no higher tho...

Maybe ramsinks and better case cooling will allow for MAYBE 780??? ... I have yet to put ramsinks on...
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Old 02-01-04, 12:11 AM   #5
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I wish someone would mod a 5900 NU BIOS to allow for startup ram speed of 700 so us 5900SE/XT owners could benifit from the core voltage increase...
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Old 02-01-04, 12:43 AM   #6
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I have the EVGA with the ram heatsinks and I get 440/820 with no artifacting.
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Old 02-01-04, 12:57 AM   #7
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Quote:
Originally posted by PerfectCr


Um, I am not asking HOW to overclock a card. Had you read my post you would have seen that I have been overclocking video cards since the days of the Voodoo 3. This is simply meant to be a small database and discussion thread about the 5900XT. If you can't contribute to that, why post? To flame me?

There are always folks who like to see how far they were able to push their card.
Hey PerfectCr, welcome aboard!

Just ignore saturnotaku, sometimes he's like that. (@ saturnotaku: This is no offense to you personally)

Hopefully you'll get some good feedback here based on others' experiences. It's always nice to know how others with the same card are doing, even if it is just anecdotal.

Oh and contrary to what sat said (you prolly already know this), there are some exceptions. Gainward's "Golden Sample" product line for one. They guarantee a certain level of overclocking above reference specs. So, if you have a Gainward XYZ "Golden Sample" then you're very likely to be able to match other's results with same card. True, mileage will always vary (we all know that this is not an exact science, should go without saying).

Good luck!
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Old 02-01-04, 05:20 AM   #8
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Well I posted a link to my card in another thread, so you can see the heat/ram sink that comes with mine, thought it was the same as the eVga? I dont know what ram I have, but at stock, my card is 390/680. Now when I got my card, I jumped straight into the 'ole OC, I just bit the bullet, and went up in 50s I was blown away that at 950 I am 100% stable artifact free, tried 1000, but did artifact a bit, so Ive just stuck to 950. The core, is only 100% stable at 450, it ran all benchmarks at 460 np, but when I loaded up Unreal2, it would crash in the first 2 secs of the game. Putting it to 450, Unreal2 and everything else, is 100% stable. I flashed with a 5950 bios, thinking that the extra voltage would help the core, as the ram was fine with 950, but once in windows, my screen would not stop to flick on and off, so I couldnt even reduce the core speed, so Ive gone back to my original bios and left it at 450/950 which Im really happy with. When OC, I used 3dmark03, as long as you hit esc to exit, if you notice any artifacts at all, then you shouldnt do any damage at all to the card, Ive only been OC vidcards since my GeforceDDR, but this has always worked for me, without doing any damage.
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Old 02-01-04, 07:07 AM   #9
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Quote:
Originally posted by MaxPower
Hey PerfectCr, welcome aboard!

Just ignore saturnotaku, sometimes he's like that. (@ saturnotaku: This is no offense to you personally)

Hopefully you'll get some good feedback here based on others' experiences. It's always nice to know how others with the same card are doing, even if it is just anecdotal.

Oh and contrary to what sat said (you prolly already know this), there are some exceptions. Gainward's "Golden Sample" product line for one. They guarantee a certain level of overclocking above reference specs. So, if you have a Gainward XYZ "Golden Sample" then you're very likely to be able to match other's results with same card. True, mileage will always vary (we all know that this is not an exact science, should go without saying).

Good luck!
Thanks for your comments My latest Nvidia card was the GeForce 3 Ti200 by Gainward and it was a "Golden Sample". I remember I was able to overclock it to Ti500 Speeds easily.

Greats to see everyone's numbers. Thanks!
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Old 02-01-04, 07:10 AM   #10
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Quote:
Originally posted by Smokey
Well I posted a link to my card in another thread, so you can see the heat/ram sink that comes with mine, thought it was the same as the eVga? I dont know what ram I have, but at stock, my card is 390/680. Now when I got my card, I jumped straight into the 'ole OC, I just bit the bullet, and went up in 50s I was blown away that at 950 I am 100% stable artifact free, tried 1000, but did artifact a bit, so Ive just stuck to 950. The core, is only 100% stable at 450, it ran all benchmarks at 460 np, but when I loaded up Unreal2, it would crash in the first 2 secs of the game. Putting it to 450, Unreal2 and everything else, is 100% stable. I flashed with a 5950 bios, thinking that the extra voltage would help the core, as the ram was fine with 950, but once in windows, my screen would not stop to flick on and off, so I couldnt even reduce the core speed, so Ive gone back to my original bios and left it at 450/950 which Im really happy with. When OC, I used 3dmark03, as long as you hit esc to exit, if you notice any artifacts at all, then you shouldnt do any damage at all to the card, Ive only been OC vidcards since my GeforceDDR, but this has always worked for me, without doing any damage.


950?

WOW.
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