CRYSIS: Korean modding team enables Crossfire in Crysis

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Since the X800 series of cards, ATI has been ensuring that just about every new game can get a performance boost from CrossFire technology, which allows people to use more than one video card in the same computer. Unfortunately, this has not been the case for the EA shooter Crysis. A Korean modding team, which goes by the name "ParkOZ", accidentally stumbled upon a method which brought a CrossFire performance boost of between 8 and 60% in Crysis, mainly dependent on the resolution you are gaming at (the lower the resolution, the faster the performance, and the higher the gains). Since the majority of you don't read Korean, I took the liberty of running the website through Google translator and detailing the procedure below. If you can read Korean, want the exact benchmark graphs, or are just a sucker for awesome Crysis screenshots, please follow the source link. The exact modding procedure is here. If you can read Korean, it is here.

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http://img.techpowerup.org/071215/071213071756_001.jpg

Source translated

Korean

http://img.techpowerup.org/071215/071213071757_004.jpg

Great to see Crossfire working on Crysis :up:

Wow great to hear that!

Ha.. I like how they said they "took the liberty to run it through Google translator"... as if it were that big of a deal.

Good.

I'm rather tired of NVIDIA's "The Way It's Meant To Be Played" program :shakes:

The are both translated links :D

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Originally Posted by nullface

The are both translated links :D

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Fixed :D

all the graphs say DX9 (xp and vista). is this right?

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Originally Posted by m0da

all the graphs say DX9 (xp and vista). is this right?

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Yes, both XP and Vista
http://www.parkoz.com/zboard/data/_i...071802_014.jpg

Crossfire in Crysis with windows XP and AMD/ATI Hotfix works OK , no need Moded driver


http://www.xtremesystems.org/forums/...d.php?t=169539



in windows Vista i cant get Crossfire works with the Hotfix , maybe with this Korean modding procedure works :)

regards

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mainly dependent on the resolution you are gaming at (the lower the resolution, the faster the performance, and the higher the gains)

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looks like its the other way around, the higher the res the higher the gains.
very impressive to see some guys enable crossfire which hundreds of programmers at ati cant get working. or should i say very emberassing for ati? :lol:

thx for posting here, thanks to techpowerup for translating it and special thanks to the guys in korea making this possible! :toast:

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Originally Posted by mascaras

Crossfire in Crysis with windows XP and AMD/ATI Hotfix works OK , no need Moded driver


http://www.xtremesystems.org/forums/...d.php?t=169539



in windows Vista i cant get Crossfire works with the Hotfix , maybe with this Korean modding procedure works :)

regards

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what he said ... i thought Crossfire works right out of the box for xp...

Crossfire does scale better than SLI, am thinking about getting R680 CF over Geforce 9800GTX SLI

SLI = 40~50% over single card in Vista 64 overall... very very bad

very nice ...

Nice.

Isn't it funny a hacking team was able to do this, and CryTek could (or would) not?

i bet crytek wanted money and amd said go find yourself :D

im sure it will be working on its own with 7.12

What about a mod patch ?

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Originally Posted by saaya

i bet crytek wanted money and amd said go find yourself :D

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haha yeah and even if they wanted to pay they are broke right ?

Anyone can translate with GOOD english the modding procedure ??

I cant understand anything from the translated link


regards

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Originally Posted by mascaras

Anyone can translate with GOOD english the modding procedure ??

I cant understand anything from the translated link


regards

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Here you go:

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Originally Posted by prepared View Post
I am Korean, and Parkoz member,
Sorry for my English, I translate the key instruction.

How to Enable the CrossFire in Crysis

You must confirm this is not the Official patch of Crysis Tek.
I am not responsible for any risks on your system.

Your PC must support CrossFire with XP or Vista.
This is tested with the Driver Catalyst 8-43-1-1-071113a-055589E.
Vista Users must install the HotFix, KB936710, KB945149.

Follow the instructions

i) uninstall the Driver for HD 3870, shotdown your PC
and remove the Secondary VGA Card of HD3870 from the slot on your MainBoard.

ii) Boot on Safe Mode and uninstall the HD 3870 Driver with the Cleaner
and reboot your PC on Normal Mode and reinstall the Driver I used.

iii) Shotdown your PC and install the secondary HD3870 Card on your mainboard,
and Turn on your PC and install the driver by the following.
When you execute Catayst setup file, it overwrites the files for Primay Card,
so you must install the driver using the driver update button with the OS Device manager
Now, You will meet the message box meaning like
[The CrossFire does not work because of Disconnection of the CrossLink cable.]
Don't worry this message, this means you've done well.

iv) Shut down your PC and connect the CrossLink Cable, and Turn on your PC, and
Enable CrossFire on CCC, and You can hear the sound When OS recognizes some PnP Devices
and you run 3DMark and check the CrossFire works well.

v) install Crysis SP Demo.
Backup the Folder of Crysis SP Demon\Game\Config.
uninstall Demo.
install the Retail Version of Crysis.
Overwrite the backuped folder to the installed Dir.
run ConSole window and Type r_MultiGPU and Press Enter key.
0 means CrossFire off, 1 means on, 2 is auto
Now, enjoy the game.

This method works in XP, Vista 32bit and Vista 64
but does not works in DirectX 10.

Why they missed the config option in the retail version?

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Crysis hotfix drivers

So, what is ATI and nvidia paying their driver solution team for again?

lol, I know what they are getting paid for, but seriously, they should have this sort of stuff done in the driver.

why are some of you blaming crytek for this, wouldn't the lack of support be amd's fault?

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Originally Posted by kryptobs2000

why are some of you blaming crytek for this, wouldn't the lack of support be amd's fault?

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No, a patch for the game is forthcoming (hopefully soon) that specifically addresses CF/SLI problems with both ATI and Nvidia. :rolleyes: