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2900XT 1GB has departed! 2 x 2900XT 512 on the way! - Page 36

post #351 of 385
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Quote:
Originally Posted by JoeUbi View Post
Have you thought of running two PSUs to power the cards for now? Until you get a PSU that can handle the cards.
You've see my rig...it's too pretty to do wierd stuff like that,. Just gonna get a bigger PSU...NP
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post #352 of 385
Quote:
Originally Posted by CyberDruid View Post
YEp I need to OC the cards...at the moment they are running all 6 pin. The PSU has a single 8 pin. I will look into getting a PSU in there with dual 8 pins so I can juice the cards up properly.

I know you can just OC them anyway or get adapters...but I gotta think that if ATI made an 8 pin there must be a reason--a good reason--that is required to OC in overdrive...
CD: I have to say, I thought the same thing too, at first. But look at this powercolor, the card is shipped with a molex/8pin. Why would powercolor do this if it wasn't 100% ok? Then again, look at the whole dell oc fiasco, lol.

http://www.ncixus.com/products/24288...R3/PowerColor/

You would know better than I but just my 2 cents.
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post #353 of 385
Here's a bit of overclocking info for you.

Preliminary HD2900XT results
post #354 of 385
Thread Starter 
Man oh man I am so annnoyed with this new RAM. First time I installed it no probs. Second time I get a blue screen memory dump. I tried two sticks--boots fine--I can boot into safe mode too...I restored to the begininig and it booted fine--ran Vista performance index and it rated the RAM .4 lower than before??? I went into BIOS and set my CPU OC and the smae 857 the AM has been running and get the blue creen again.

Go to F5 defaults and still nothing.

I would say at this point there is something tweaky about the Black Dragon.

I have never ever had trouble installing RAM or getting it to run...the sticks are not bad--I do ot think anyway.

SO back to the G skill--more in a bit.
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post #355 of 385
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http://service.futuremark.com/orb/re...0&UID=10128742



I DLed Riva tuner and tried some high 800 clocks... actually scored lower???
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post #356 of 385
=( This thread is going to make me go broke... I demand another 2900xt for me now! But then I have to buy another waterblock, =(

*goes to get second job at BK Lounge, tech job isnt enuff*

AKAeric: WTS My body 4 2900xt!!!
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post #357 of 385
From what I've heard an actual eight pin pcie2 doesn't really give you that much more and it works fine with an adapted 6pin. I can get high clocks on mine with an adapter with no problems at all.
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post #358 of 385
Well, the 2 extra pins on the 8pin pci-e are just grounds. So all it really is doing is activating Overdrive. Link

It probably also keeps the power stable when overclocking, but this I'm definitely not sure of.

Btw, my score went up from 11118 to 11497 going from 800/1000 to 850/1000. I've yet to increase the memory. I just don't feel confident oc'ing the card through AMD GPU Tool. =S

Good luck getting 16k CD.
post #359 of 385
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Quote:
Originally Posted by NEvolution View Post
Well, the 2 extra pins on the 8pin pci-e are just grounds. So all it really is doing is activating Overdrive. Link

It probably also keeps the power stable when overclocking, but this I'm definitely not sure of.

Btw, my score went up from 11118 to 11497 going from 800/1000 to 850/1000. I've yet to increase the memory. I just don't feel confident oc'ing the card through AMD GPU Tool. =S

Good luck getting 16k CD.

Did not see what I wanted...it went down lol.

I did not OC the RAM on the 1 GB I got either--I was afraid.

Rivatuner works on this card NP.

I was linked and read the info on how to use ATI Tool but did not get there as Vista will not let ATI tool run lol.

I think the DDR3 cards are hotter running than the 1GB cards.

1Although the benchmarks may be colse in the long run I would say the 1 GB cards will prove themselve to be worth that extra Benjamin.

I don't regret having a pair of 512s...that saved me $200 and I still get the satisfaction of CF

Going to try some more overclocking...
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post #360 of 385
Nice score man! You are getting the same score as SLI 8800 640mb cards!

Keep it up
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