well i monitored while playing cod4 for about ten minutes everything is goin ok except the gpu usage its drops down to bottom quite a bit and sometimes for a few seconds,is this normal, cuz i thought in game the gpu usage should be constant??
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how to enable crossfire?
- Thread starter ~>Dg<~
- Start date
sorry jakus but i was curious lol, went into cod4 with crossfire enabled but only getting more or less the same fps as a single card 30-50fpsill switch back to a single card now and then do some monitoring
1 3870 should run that never dropping below vsync (60fps)at Your resolution
If Your getting varying frame rates monitor the cards clocks in riva tuner to see if it's power saving (down clocking)
Ok We need to flash the GFX card bios..You up for that ?
You did not tell me about that Game ?
Download this bios :- http://www.techpowerup.com/vgabios/7887/GeCube.HD3870.512.071210_1.html
First has Your GFX card a normal cooler ?
You need latest winflash from the same place although You may have to Use ATIflash from dos
Pull out The lower card before You do anything
Back up the cards bios first
read the instructions You may need the latest ATItool beta to read Your bios
then try the windows "winflash"
OK RTS.....only Shooters here
Don't worry about that....would You prefer one that does not fix the problem So You have a normal cooler Yes ?
You can save the orginal bios in windows but as said you might need to make a boot CD to get to Dos if winflash does not work
right i have downloaded winflash 2.0.0.2 and have downloaded the bin file link ui gave me and the fan on these cards are the flower type http://www.overclockers.co.uk/showproduct.php?prodid=GX-079-PC
Ok, Hold one thats the OC version see if You can find it in the bios list at techpowerup and check the details, You are looking for a bios that runs the same clock speed 2d/3d it will stop the card slowing down when ATI's power play thinks there is not enough Load
Quick check, Looks like Powercolour has got up to speed and there are bioses that will do that ( previously only Gecube had a handle on the problem)
So , double check Your bios/clocks ,back up then flash to another Powercolour bios with same 2d/3d clocks, Should be OK with Winflash for this
Looks like You have had enough for the Day then
Was going to say, See by not answering My question about what type of cooler the card has we nearly come unstuck
You Know what You need to look for and do regarding the bioses and we can pick this up tomorrow afternoon, hopefully You will have some good news to report by then.
Was going to say, See by not answering My question about what type of cooler the card has we nearly come unstuck
You Know what You need to look for and do regarding the bioses and we can pick this up tomorrow afternoon, hopefully You will have some good news to report by then.
Just for your information, I have the exact same cards. Checked mine and they are using the 7.5 version bios.
GPU-Z 0.1.7 shows the bios as version "Ver010.075.000.002.000000", with clock speed of 796/1170, default of 800/1170.
I've saved off an image of the bios, so let me know if you want a copy.
Shame the fan is on full whack all the time though - maybe a later bios will fix that.
GPU-Z 0.1.7 shows the bios as version "Ver010.075.000.002.000000", with clock speed of 796/1170, default of 800/1170.
I've saved off an image of the bios, so let me know if you want a copy.
Shame the fan is on full whack all the time though - maybe a later bios will fix that.
Well it's looking like the Card might not be downclocking then it's easy to comfirm by looking in the CCC at core speed.
I Believe the fan on Your cards connects straight to a 12v rail with a 2 pin connector a simple inline resistor/fan controller will do the Job so it's outside of any onboard bios/controller to be able to control its speed
yeah i checked this morning and the clocks seem fine with ccc and rivatuner, everytime i minimised the game to check the rivatuner the gpu would go to bottom so it all seems ok jakus. Yep sorry about yesterday,had long day and dozed off lol
Morning, Good I took a look at the powercolor bioses and the new faster variants have 2D/3D clocks set the same which stops the powerplay.
Ok so what 3d2006 do You now have with and without crossfire ?
Be intresting to see if you could get that CPU up some more providing You do not increase the vcore You will not risk it at all , I would think 3.3-3.5ghz should be possible, also try the PCIex bus up to 110 but just to see if it helps the bandwith on the second card @X4 but just as a test don't leave it there.
Other than that are You basically happy with game performance over Your last set up ?
providing You do not increase the vcore You will not risk it at all , I would think 3.3-3.5ghz should be possible, also try the PCIex bus up to 110 but just to see if it helps the bandwith on the second card @X4 but just as a test don't leave it there.Other than that are You basically happy with game performance over Your last set up ?