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Old 11-30-2007, 09:59 AM   #1
pinto
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Talking First 1ghz GPU on HD3870!

Thanks to K404 and Largon i succeed to clock my HD3870 to 1008mhz, here some results(1.5v vgpu and watercooled):






Some crossfire results befor the mod, have te find how to clock both cards over overdrive limits:






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Old 11-30-2007, 10:01 AM   #2
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1335 on the mem? can i say LOL
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Old 11-30-2007, 10:06 AM   #3
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LOL ? U may mean 1335 is low clock for a 1Ghz GPU Stock cooled HD3870 can do that
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Old 11-30-2007, 10:23 AM   #4
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I'm loving it. Keep on crankin it.
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Old 11-30-2007, 10:25 AM   #5
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good job fellas
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Old 11-30-2007, 10:45 AM   #6
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The 06 score for single card is weak for some reasons... with a Q6600 at 4GHz and a 8800GT clocked at 730/1835/950 I did 15334 on the first run...

Impressive crossfire though
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Old 11-30-2007, 10:49 AM   #7
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For those that missed it...
http://www.xtremesystems.org/forums/...=166623&page=2
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Old 11-30-2007, 02:33 PM   #8
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wow

could u make crysis gpu test @

1280 pixel
4x aa
no af
everything high
in win xp
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Old 11-30-2007, 02:38 PM   #9
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Nice
To increase Xfire OC limit you should flash both cards with a bios that has higher stock clocks: http://www.iax-tech.com/video/3800biosmod/03.htm
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Old 11-30-2007, 02:50 PM   #10
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Thanks men and for S1mon a HD3870 isn't a 8800GT
here what i can do with a GT:

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Old 11-30-2007, 02:54 PM   #11
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Quote:
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Nice
To increase Xfire OC limit you should flash both cards with a bios that has higher stock clocks: http://www.iax-tech.com/video/3800biosmod/03.htm
Thanks m8!
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Old 11-30-2007, 03:22 PM   #12
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congrats , 23.5K is amasing!!!


i like this cards

here with HD3850 256mb CF = 17.8K DEFAULT >> http://www.xtremesystems.org/forums/...d.php?t=167528


next week arrive Two Powercolor HD3870 PCS edition

congrats once again

regards
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Old 11-30-2007, 03:40 PM   #13
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Congrats on the GHz mark pinto, glad I could help- the real work wasnt done by me though

Keep pushing!!
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Old 11-30-2007, 04:24 PM   #14
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3870's are impressive in crossfire..


nice work....
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Old 11-30-2007, 05:04 PM   #15
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Some tests with crossfire unable and HD3870 flashed to 830/1200 default





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Old 11-30-2007, 05:19 PM   #16
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Quote:
Originally Posted by mascaras View Post
congrats , 23.5K is amasing!!!


i like this cards

here with HD3850 256mb CF = 17.8K DEFAULT >> http://www.xtremesystems.org/forums/...d.php?t=167528


next week arrive Two Powercolor HD3870 PCS edition

congrats once again

regards
how about this DEFAULT Xfire on 3850

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Old 11-30-2007, 05:25 PM   #17
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have you tried ati tool to overclock the cards in crossfire over the limit set in overdrive?

Does the limit raise if u flash the bios to higher frequency?
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Old 11-30-2007, 05:33 PM   #18
pinto
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atitool didn't work for the second card.
yes overdrive limits are increase with the bios at 830/1200 defaults frequencies (1500mhz for the gpu)
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Old 11-30-2007, 05:34 PM   #19
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thanks alot, keep up the good work !
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Old 11-30-2007, 06:17 PM   #20
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how was the volt mod done?????? bios or physical?
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Old 11-30-2007, 06:34 PM   #21
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If you can do 24k 3d06, can you do crysis in ultra setting mode 1680x1050 ? and average 30+fps ??
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Old 11-30-2007, 06:35 PM   #22
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how was the volt mod done?????? bios or physical?
it was a physical mod the links on Post#7
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Old 11-30-2007, 06:37 PM   #23
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Go read post #7 again GAR.
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Old 11-30-2007, 07:32 PM   #24
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wow

could u make crysis gpu test @

1280 pixel
4x aa
no af
everything high
in win xp
could we get a real game performance like crysis gpu benchmark

since this 3d marks are useless atm
as much as u increased ur cpu u get more score
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Old 11-30-2007, 08:30 PM   #25
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WoW nice clock!and look good be able to see 1GHz+ on 3870, hope i can do it too Nice Results

btw. what temperature on full load ? Thanks.
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