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4870 CF poor performance...

TransfuSe

n00b
Joined
Dec 10, 2006
Messages
54
3DMark 06 - 11,109
Grid Average FPS - 45 - 60
Crysis Average FPS - 27 - 32 (1920x1200 on high with no aa/af)
CoD 4 Average FPS - 70 - 100

:x

Windows XP 32-bit

Videocard: 2x HIS Radeon 4870 512MB
Processor: Core 2 Duo E6600 @ 2.80 GHz
Mainboard: Intel DX48BT2
Memory: OCZ Gold DDR3 1333Mhz 2GB
Soundcard: Creative X-Fi XtremeMusic
PSU: PC Power and Cooling 750W

Things i've tried:

-stock clocks
-reformatting
-8.7 beta/official drivers 8.6 official drivers (driver cleaner used each time)
-bios updates
-setting CCC to default
-patches all up to date

Any other ideas? =[

EDIT:

I decided to try Grid again with my processor at 2.8GHz and I dont drop below 50 FPS anymore in spots that I used to. What could this mean?

Is this a processor bottleneck?
 
i have a e6600 at 3.1ghz, 4870, 2 gigs ddr2, p35 gigabyte mobo, x-fi sound, windows xp sp3 and i score about 12,000 in 3dmark06.
 
Alright I have an update.

I'm getting MORE FPS in Grid with CrossFire DISABLED, and the same FPS in CoD 4 and a couple FPS mor ein Crysis with no CrossFire. What's going on?
 
Something you could try. Remove one of the 4870, reset BIOS to default, reformat and start over with a clean install of windows XP, install motherboard drivers, install X-Fi drivers, update windows XP to servicepack 3, install catalyst 8.7 official drivers.
Make sure games work right. If everything works put in your second 4870 and try again. If everything is ok start working on overclocking the cpu.
 
Something you could try. Remove one of the 4870, reset BIOS to default, reformat and start over with a clean install of windows XP, install motherboard drivers, install X-Fi drivers, update windows XP to servicepack 3, install catalyst 8.7 official drivers.
Make sure games work right. If everything works put in your second 4870 and try again. If everything is ok start working on overclocking the cpu.

Alright, I'll give all that a go. Brb go dknows how long. :p
 
Check where your putting the 2nd card too, is it in the wrong slot.& if one works fine by itself, swap it with the other and to check them both

For comparison, I'm getting >20000 with 4870cf but q9450 @ 3.6, so you should be high teens with that processor speed (3dmark6 is CPU sensitive)
 
specs, 2xHD4870 HIS cf
Asus P5Q Deluxe
Q9450 @ 3.6
same PSU as you
2x2gb corsair dominator
 
Something you could try. Remove one of the 4870, reset BIOS to default, reformat and start over with a clean install of windows XP, install motherboard drivers, install X-Fi drivers, update windows XP to servicepack 3, install catalyst 8.7 official drivers.
Make sure games work right. If everything works put in your second 4870 and try again. If everything is ok start working on overclocking the cpu.

Thank you so much! Oh my god!

It worked!!!!!!!!

:D:D:D:D



Everything on high no AA or AF with a stock E6600!

Thank you Thank you!
 
Something you could try. Remove one of the 4870, reset BIOS to default, reformat and start over with a clean install of windows XP, install motherboard drivers, install X-Fi drivers, update windows XP to servicepack 3, install catalyst 8.7 official drivers.
Make sure games work right. If everything works put in your second 4870 and try again. If everything is ok start working on overclocking the cpu.

Sorry if I am hijacking the thread, but I am sure other newbs might want to know besides me... is this the normal order of things to do or is it normally ok to put in both video cards at the beginning?
 
Thank you so much! Oh my god!

It worked!!!!!!!!

:D:D:D:D

Good to hear you got it fixed. :)


Sorry if I am hijacking the thread, but I am sure other newbs might want to know besides me... is this the normal order of things to do or is it normally ok to put in both video cards at the beginning?

Never tried crossfire or SLi myself but used a number of ATI and Nvidia cards through the years.
From what I've read about X-fire/SLi you should only have one card in when you install drivers and add the second card when things work as expected.
Think it has something to do with the drivers might have problems identifying both cards correctly. Not saying it won't work with both cards in
but seen lots of people having problems doing it that way.
Also seen problems when you install audio drivers after you install video drivers, that's why I told TransfuSe to install them as soon as possible.

EDIT: Also, I don't know but there seem to be some fixes in XP servicepack 3 that's needed by radeon 48** cards, at least if you have a X-Fi card. Couldn't get my 4870 to work perfectly until after I installed SP3.
 
since this thread is still around. is there any way to fix grid's lack of crossfire support?
 
Don't think so, at least not for now, might get better in later driver releases.
Guru3d get some increase with crossfire but it's not much.
Scroll down to second half of page http://www.guru3d.com/article/radeon-hd-4850-and--4870-crossfirex-performance/7

Well I did hear renaming the .exe file works but I have the steam version so doing that disables steam from running the game. It is weird though. Grid is the only game where I get more performance with one card than with 2. It's a shame though 'cause it's a good game. :x

thanks for all the help though. :D
 
Alright CrossFire broke again. I'm not sure what the problem is. The motherboard detects both cards and the control pannel lets me turn on CrossFire but I get no performance increase at all. I've reformatted about 3 times and it seems to work for a bit then just stops. I'm about to just return the second card and wait for a 4870x2. Any other ideas? I feel like I've tried everything.
 
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