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How To: Unbrick Your Bricked Graphics Card/Fix a Failed BIOS Flash - Page 8

post #71 of 255
Quote:
Originally Posted by MightyMission;13352890 
install 6850 driver and flash it back?
or register and ask help at mvktech

Nice try biggrin.gif but there is no difference between 6850's and 5870's driver. I will check "mvktech" for hlep,thanks for tip.
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post #72 of 255
sorry i have no clue about amd gpu's,i was tempted to get some instead of nvidia but i contantly see reports of driver issues so i steered away.
i should think mvktech should be able to help you,very knowledgable guy who answers your queries.
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post #73 of 255
Quote:
Originally Posted by washo4evr View Post
it worked
it took like 50 times for NVflash to detect my card but it worked
And, my PCI card wasn't powerful enough to display the EFI BIOS...
I had to "blind change" PEG/PCI

thanks a lot for your guide and your help

Hmm I've bricked my Radeon HD 5850. Got DOS bootdisk for flashing but because it's such a brick DOS can not find the adapter. I read something about PEG/PCI - "Changing to PCI will let you power on self test with a bad BIOS on a PCI-E card."

Here in fact

Step 6)

http://www.overclock.net/graphics-ca...hics-card.html

Need help with a bad BIOS flash
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post #74 of 255
if you fill in your system details it will make it easier for us to help you
right up on top under the ocn logo is "user cp"click that then look on the left and scroll down till you see "system information" "edit system information"
click that and let us know what you got.
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post #75 of 255
I've filled out some details for you.
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post #76 of 255
The system is custom build Hybrid Physx; it is the ATI Sapphire HD 5850 that is bricked.
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post #77 of 255
can you use the physx card to view the POST/boot info?
did you back up your bios?i can only find a 5850 directcu bios.
Edited by MightyMission - 5/12/11 at 12:12pm
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post #78 of 255
Yes of course. I'm reading around and one dude "sobol" had the same

http://www.xtremesystems.org/forums/.../t-155963.html

He quotes

Anyway if anyone need to fix own card, you can thanks to W1zzard:
http://forums.techpowerup.com/showthread.php?t=24507

The link is dead though
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post #79 of 255
what the dead link covers is maybe something that not many should attempt!
it means jumpering pins (1 and 8 i think) on the bios chip itself in order to be able to flash it.

I done it on one of my 470s and EVENTUALLY got it back to life.
It was very stressful and i am good with a soldering iron,
i think the stress came from an expensive paperweight and **** manufacturers not accepting RMA.

So yes the technique can work but only as a final attempt at resuscitation.

what do you see when the pci-e adaptors are listed?
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Lil Cutey
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post #80 of 255
Yeah I was pretty good back in the day playing with some huge resistors and PCB's in Secondary.

Where and when do you want me to see what pci-e's are listed?
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My System
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