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[Fixed] XFX Radeon HD7870 Black Edition / Bios Flash Gone Wrong / Adapter not found

Stanley85

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Hi Folks,

as there are many wrong-flashed cards out there and I fixed mine with the solution by wizard I would say thank you wizard :respect: it helped me to restore my card when all other options were gone.

Before was:
- wrong flashed card (Tahiti LE bios on a Pitcairn card)
- adapter not found by Atiflash, only 1 of the two cards found
- no method of forcing in any order helped out

What I have done:
- install second VGA adapter (PCIe, PCI or IGP)
- remove XFX Radeon HD7870 DD Black Edition card
- locate flash-chip on the back of the XFX Radeon HD7870 DD Black Edition (see picture)
- Google for the 3 lines on the chip and make sure its a flash reference
- solder a thin long enough wire from pin 1 (small dot in the edge) to pin 8 opposite side => this will disable chipselect and the adapter does not ask for the flashchip-content
- reinstall the card and boot to dos (i guess you have the usb method with your flashfiles)
- check if atiflash can detect the card => atiflash -i
- if atiflash has detected the card keept the adapter num
- cut the wire while on dos promt
- force flash the original bios => atiflash -f -p [adapter] [biosfile]
- reboot
- enjoy your card :)

Once again thanks to Wizard you saved me 180€ which is current market price for the card
If you have any question or need the original bios of the XFX Radeon HD7870 Black Edition just ask me.

Greetings Stanley
 

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dbru77

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Hey,

you just saved my day. Did a BIOS flash yesterday with the latest Tahiti LE and guess what happened after rebooting...
Screen stayed black no matter what i tried.
So I installed a second gfx card but my 7870 wasn't recognized at all so i asked the internet and found this thread.

Thank you very very much :)

Foto 1.JPG Foto 2.JPG

Thought about soldering a switch to the wire ends, which would basically emulate the switch many cards have to select between th BIOSes, right?
Anyway, great solution.
 

Ludwig

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I am having the same problem, however could not solve. I wanted to know which of the points I weld? Can I use my integrated video processor board?
 

Solaris17

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thanks @W1zzard Maybe we can have high res photos of the disable points for these chips? are they universal?
 
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I am having the same problem, however could not solve. I wanted to know which of the points I weld? Can I use my integrated video processor board?
Instructions and pictures are in the first two posts.
 
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