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Old 10-12-11, 07:39 PM   #1
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PC Troubleshooting - Seems I'm up for al nighter

I started building this gaming PC like 8 months ago and today the final piece of the puzzle arrived... a 2nd HD Radeon 6870 to CrossFire it with the one I already got. But strangely, instead of increasing the performance, frames per second dropped by half on all the games I tested.

I've troubleshooted everything I could think of... power, dust on the connectors, updated drivers from AMD, even changed the CrossFire bridge, still sucks. Now I'm gambling into blaming the operating system so I'm installing Windows 7, fresh install.

My main reasoning here is that all the online reviews about this setup can't be wrong. Therefore, *I* must have done something wrong. Either that or I should change religions and jump on SLI bandwagon.

I have a headache.
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Old 10-12-11, 08:54 PM   #2
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slap it and yell cuss words.
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 10-12-11, 09:31 PM   #3
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You forgot to sacrifice a goat to the gods of video card bridging, didn't you?
Puertoricans never forget to sacrifice a goat... it's on our coat of arms:



*and* on our national seal:

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Old 10-13-11, 05:28 AM   #4
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does your mobo support xfire, or is it SLI only?

is the second PCI-e slot wired for 16x, 8x or 4x?

you want v-cards to be using 16x, but a lot of mobos will split them into two 8x links and some will run 16x and 4x only, unless you change it in bios.
two 8x is fine.

Otherwise, have you configured the driver settings?
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Old 10-13-11, 07:26 AM   #5
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I'm afraid when you downloaded that "tassel twirling"site you put one hell off a virus into your gaming-puter and ruined it.
Sacrafice one live chicken while singing "way down yonder in the land of cotton......"during a full moon while standing on your roof.
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Old 10-13-11, 09:51 AM   #6
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Think Different.
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Old 10-13-11, 10:43 AM   #7
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Think Different.
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Old 10-13-11, 10:49 AM   #8
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Ruben... isn't that a sheep?
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Old 10-13-11, 11:18 AM   #9
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Is this repair taking place on the kitchen table? With a spring compressor? Come on Rube, you've set the bar pretty high with some of your previous repairs, how about some pictures for us visual thinkers?
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Old 10-13-11, 12:29 PM   #10
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Ruben... isn't that a sheep?
It used to be but we changed the definition to match the National Predator:


The GoatSucker
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Old 10-13-11, 12:33 PM   #11
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pgoat is not gonna be happy about this thread. just sayin.
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 10-13-11, 12:34 PM   #12
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Is this repair taking place on the kitchen table? With a spring compressor? Come on Rube, you've set the bar pretty high with some of your previous repairs, how about some pictures for us visual thinkers?

The kitchen is for automotive repairs. Computer repair takes place in the bathroom, so that Ruben can sit and think.
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 10-13-11, 12:58 PM   #13
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My main reasoning here is that all the online reviews about this setup can't be wrong. Therefore, *I* must have done something wrong. Either that or I should change religions and jump on SLI bandwagon.
IIRC, there are lots of games that actually do far worse in Crossfire/SLI mode than with just a single card? But I am thinking about 5 years ago, so I could be 1639 generations out of date.
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Old 10-13-11, 12:59 PM   #14
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When I read the OP, I thought "8 months?! It's obsolete already!"
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Old 10-13-11, 01:45 PM   #15
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How big is your power supply?
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Old 10-13-11, 01:52 PM   #16
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How big is your power supply?
1.5 litre,4 cylinder,hyundai
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Old 10-13-11, 04:37 PM   #17
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The kitchen is for automotive repairs. Computer repair takes place in the bathroom, so that Ruben can sit and think.
In that case, I can skip the pictures than you very much.
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Old 10-13-11, 06:47 PM   #18
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(go to tomshardware.com, post a message with information on your motherboard, video cards, OS, and how you are checking the performance.)
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Old 10-13-11, 06:58 PM   #19
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You better fix this in a hurry. Those 3 extra frames per second are absolutely crucial in WoW.
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Old 10-13-11, 08:48 PM   #20
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This has been golden... I got the rig properly working and I've been playing battlefield 2 all afternoon on 5760 x 1080 @ 120 frames per second. This is gaming heaven.

So the question is ... what next?

* A wireless gaming headset would be nice.
* An SSD to speed up respawning
* A mini fridge full of Red Bull?
* A PROPER computer chair.

So many choices...
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Old 10-14-11, 06:01 AM   #21
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This has been golden... I got the rig properly working and I've been playing battlefield 2 all afternoon on 5760 x 1080 @ 120 frames per second. This is gaming heaven.

So the question is ... what next?

* A wireless gaming headset would be nice.
* An SSD to speed up respawning
* A mini fridge full of Red Bull?
* A PROPER computer chair.

So many choices...
Umm. Chair.

I loved the POE mod.
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