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Connect3D x800GTO flash to x850xt bios help

wowza

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#1
Ok, I just bought a x850 CF edition Connect3D graphics card, and I was looking to flash my x800GTO to an x850xt bios so I can use that with my CF card. I currently have it flashed to the modded bios with 16 pipes here, but doesn't work with the x850 CF card. So I was searching through BIOS's here to find a x850 bios and didn't know which one to choose. My x800GTO uses 2.0 samsung ram, and was wondering if I can flash it to a bios that uses 1.6 samsung ram? Also, my card has the r423 core, since it was a x800GTO by connect 3D, and will run 550/550 without a problem (has ATi Scilencer 5 installed). ATI tool pix in attachments if that helps at all.
 

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wowza

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#2
anyone?
 

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#3
have you tried running crossifre with the stock bioses?

been a while since i helped anyone with x800/x850 stuff but i believe that you should be able to flash your gto with a x850 bios safely (if anything goes wrong use your x850 to boot and flash it back)

id recomend moding the bios that your gonna flash to 500mem /520 core before you flash it to the card though :)
^rabit works nicely for moding bioses :)
 

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#4
What motherboard do you have?
 

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#5

wowza

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#6
Yes, I have a crossfire compatible motherboard. It's in my system specs. It's an MSI 975x Platinum Powerup edition.
 

SPHERE

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#7
Yes, I have a crossfire compatible motherboard. It's in my system specs. It's an MSI 975x Platinum Powerup edition.
cool :) let us know if you decide to give it a try :)
 

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#8
It should work, you can plug any x8XX series in with a master card and it will work.
 

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#9
Maybe its the intel chipset, I don't know if they supprt crossfire outside of the X1xxx series/ I need to read up on that my self.

You do know you turn it on in Catalyst control center right?
 

wowza

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#10
You do know you turn it on in Catalyst control center right?
Um, well the crossfire option in my Catalyst Control Center is missing, I thought you turned it on there?

here is my motherboard.
 
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#11
Wowza, save your GTO BIOS and open it with RaBit. Change your Device ID to 5D52 (X850XT R480) or 5D4D (X850XT PE); SubSystem ID to 0302 (for X850XT) or 0812 (for X850XT PE) and finally SubVendor ID to 1002 for both. Save that new BIOS (something short like x850.bin) and flash your R423 card with it using atiflash in DOS mode with:

atiflash -f -p -newbios 0 x850.bin command

Reinstall the drivers.

Open ATITool and check the current Device ID. If it is 5Dxx everything is OK and you have new X850 card. Then probably your CF tab will appear. Please to report the result here.

Good luck
 
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SPHERE

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#12
Wowza, save your GTO BIOS and open it with RaBit. Change your Device ID to 5D52 (X850XT R480) or 5D4D (X850XT PE); SubSystem ID to 0302 (for X850XT) or 0812 (for X850XT PE) and fonally SubVendor ID to 1002 for both. Save that new BIOS (something short like x850.bin) and flash your R423 card with it using atiflash in DOS mode with:

atiflash -f -p -newbios 0 x850.bin command

Reinstall the drivers.

Open ATITool and check the current Device ID. If it is 5Dxx everything is OK and you have new X850 card. Then probably your CF tab will appear. Please to report the result here.

Good luck
humm that could work there still may be other things that the drivers could look for but what the hell give it a shot :)
 

wowza

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#13
Thanks a ton for the advice dolf, it worked! Reads as an r480 core and works flawless in Crossfire mode :) See pic below (had to do some minor croping for bandwith requirements)
 

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#14
Thanks a ton for the advice dolf, it worked! Reads as an r480 core and works flawless in Crossfire mode :) See pic below (had to do some minor croping for bandwith requirements)
sick :p what clocks do you have em runnin at now?
 
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#15
Thanks a ton for the advice dolf, it worked! Reads as an r480 core and works flawless in Crossfire mode :) See pic below (had to do some minor croping for bandwith requirements)

Wowza, you can continue not only with the device ID's (and the card to be recognized like X850XT or X850XT PE). But it is also possible to flash X850XT or X850XT PE BIOS (probably some features like automatic overclocking in 3D mode from the driver won't be usable but I am not very sure ;) ). If you decide to do that I have special moded BIOSes for 1xVGA/1xDVI (X850XT PE PCI-E comes only with 2xDVI). The only thing that you should specify is VIVO or non VIVO is your card.
 
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wowza

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#16
Humm, ok, I'll probably do that then, since it seems to flash to this without a problem. Thanks :)
 
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#17
Humm, ok, I'll probably do that then, since it seems to flash to this without a problem. Thanks :)
In fact the X800GTO from C3D is X800XT PCI-E. You have few posibilities to flash to:

1. X800GTO moded to be recognized like X850XT or XT PE (done)
2. X800XT BIOS to be recognized like X850XT or XT PE (probably the Overdrive tab will appear but X800 model tab)
3. X850XT / XT PE BIOS (my special mod for VIVO cards) for 1xVGA/1xDVI (R480 should have some power management features which couldnt be used on R423 but it is not so important. Also the X850XT Overdrive should appear after the X850XT / PE BIOS flash. Please to check the pipe number and to post fuse screen shot after the X850 BIOS flash.

Of course save the GTO BIOS which is moded to be recognized like X850 in case that you have to rollback to it.

I am very curious what will be the result with X850XT or PE BIOS. If everything works normally open the Overdrive tab (if appear) and try the automatic overclock. After that check whether the "apply only for 3D applications" function. It should be the only difference between R423 and R480.

For easy flashing of X850XT or X850XT PE BIOS (1xVGA/1xDVI VIVO) you can use my automated flash utility on bootable CD image from here:

http://www.savefile.com/projects/482201

Read the flash instructions file before to begin. After the flash it will be necessary to re-install the drivers (with exception of the X850 BIOS as which your card is currently recognized). For example X850XT.

Good luck and please keep us informed :)
 

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#18
ok, my card is a C3D X800GTO (R423, 2.0ns mem, 1xVGA/1xDVI). i tried the X850XT BIOS supplied in the image above, and this is what happened:

1. winxp would only boot into safe mode
2. screen messed up with red+blue dots
3. gpu fan not spinning any more :)eek: :eek: :eek: )

i managed to flash back to my old X800XT BIOS and now modded that myself with RaBit.

but that was quite a scary experience....
 
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#19
P-jack that is very important to know (based on experiment) that X850XT BIOS is not suitable for R423 card.
Even scary experience it is not so dangerous like it seems to be.

It is worst to flash AGP X800XT BIOS on PCI-E card.

Many thanks for the feedback. It is now clear that the card X800GTO / X800XT with R423 could be moded to be recognized like X850 but not transformed to X850.
If you can please mod the X800XT BIOS with the ID's for X850XT or XT PE and check whether some Overdrive tab will appear after the flash. If yes please post a screen shoy of it. Many thanks in advance.

Also if possible somebody with X800GTO / XT R423 to test with 3DMark03/05 and to check is there any benefit after changing of the ID's (between X800GTO/XT and X850 recognized like R480).
 
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#20
sapphire x800gto

is it possible to make my x800 gto sapphire any better by flashing......taking into account that it ran on 16 pipes out of the box...?
 

p-jack

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#22
mod the X800XT BIOS with the ID's for X850XT or XT PE and check whether some Overdrive tab will appear after the flash. If yes please post a screen shoy of it..
et voilá... :D

3DM05 score went up by approx. 400.... :rockout:

dolf, many thanks for all the information/explanation :toast:


P.S. all C3D X800GTO users: feel free to give the attached bios a try...
 

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#23
...

its only the 430.....that what I thought
 
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#24
et voilá... :D

3DM05 score went up by approx. 400.... :rockout:

dolf, many thanks for all the information/explanation :toast:


P.S. all C3D X800GTO users: feel free to give the attached bios a try...
Congratulations for the "wining" of your new X850XT card.
I have some questions and will be glad to hear your answers. Preliminary thanks for that.

1. Do you gain some performance at equal clocks. (card recognized like X800XT and like X850XT at 520/540MHz)?
2. You have moded X800XT PCI-E BIOS?
3. What is your max core / memory overclock achieved using the Overdrive?
4. Do the option "Enable ATI Overdrive clocks for 3D applications only" is working properly?

As you can see that it is not so frightful to experiment (but knowing what you are doing). Thanks for the courage to follow my somethimes daring ideas. But all they are devoted to help to the people which want to get the best possible from their VGA's.

I am asking that because X800XT BIOS has 2 Overdrive levels and if you are limited with the automatic Overdrive it will be necessary further BIOS modification to overcome that.

Finally I will prepare Automated Flash Utility for C3D X800GTO and X800XT to X850XT which can be used in cases of CF comfiguration with X850CF card and X800XT or X800GTO with R423.
 
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#25
after some testing/benching i can draw the following conclusions:

1. Do you gain some performance at equal clocks. (card recognized like X800XT and like X850XT at 520/540MHz)?
yep. my standard 3d clocks are 550/550. highest 3DM05 score ever achieved with X800XT bios was 6590; highest 3DM05 score ever achieved with X850XT bios was 7059 (so far).

2. You have moded X800XT PCI-E BIOS?
that´s right. first i had the modded C3DX800GTO bios from w1z´s "X800 GTO and GTO² to X850 XT Mod" article; result=X800GTO, 400/490, 16p. then someone in the forums suggested flashing the bios of a powercolor X800XT PCI-E(since that card also uses R423+2.0ns memory); result=X800XT, 500/500. i dumped that bios with ATITool, set the default clocks to 520/540 and changed the IDs as you suggested; result=X850XT, 520/540, chip now seen as R480.

3. What is your max core / memory overclock achieved using the Overdrive?
max clocks overdrive could find are 594/560 (see pic). max "artifact-free" clocks with ATITool are 582/582.

4. Do the option "Enable ATI Overdrive clocks for 3D applications only" is working properly?
the whole catalyst overdrive thing only works with ATITool NOT running... hitting the "ok/apply" buttons in the overdrive tab with ATITool running leads to immediate system freeze/messed up screen. without ATITool running it works fine, though.
 

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