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How to revive my brick rx470 card

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Video Card(s) Xfx rx580 2048 4gb
I have a mining card which is xfx rx470 4gb ,and is flash to rx580 version,
I found out the performance not stable so I get another sapphire bios which is same chip same memory type same clock .
I flash it in the windows using amevbflash using command below.
Amdvbflash -unlockrom 0
Amdvbflash -f -p 0 1.rom. (My new rom name)

BTW I am using amdvbflash 4.68

after awhile it show something said my card will update to another name. And some moment later, it show writing fail.
Ok... I would take that as the update bios is failed.
I reboot my pc and, boom, I can’t see my boot up screen,

I found out that some article said to take a MOBO with internal display and flash it , luckily I do have a working mobo which is msi g31tm-p31.
I choose the display graphics to use internal at boot.
However, the internal display will only work if my display card wasn’t power up.
If I plug in the pcie power into the card. The mobo will choose the display card.(remember? My card is bricked, nothing will show up)
i tried to power up the pc and immediately plug in the pcie power after something show on internal display screen.
And the result is,
No adapter found.

I use amdflash -i 1 or 0 also no adapter found.

what should I do now ?
 
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Hello
As i see you managed to "brick" your card.
So here it is a guide to "unbrick" it
Keep us informed.
Good luck!
 
Joined
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Messages
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System Name Windows 10
Processor AMD fox 8350
Motherboard Asus m5a8l le
Cooling I’d cooling frostflow 240
Memory Hyper fury 8gb x2 @ 1600 10-10-10-28
Video Card(s) Xfx rx580 2048 4gb
I want to try the short trick . But I can’t find A25L0100 chip.
Instead I got this pm25lq020.

I
 

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Joined
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Processor Intel i7 7700k@4.8ghz / Ryzen 7 5700G
Motherboard MSI 270 SLI PLUS / MSI MAG X570S - TOMAHAWK MAX WIFI
Cooling ID-Cooling Frostflow X 120 - Liquid / ID-Cooling SE-903 V2
Memory 2x16GB Corsair Vengeance LPX 3600 Black / 2x16GB Corsair Vengeance RGB Pro SL - 3600Mhz
Video Card(s) XFX RX 5700XT THICC III Ultra 8GB / XFX RX 6600XT 8GB
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Please make a picture of the back of your video card
 
Joined
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Video Card(s) Xfx rx580 2048 4gb

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Joined
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This one should be the EEPROM (for BIOS)
 

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Joined
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System Name Windows 10
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Cooling I’d cooling frostflow 240
Memory Hyper fury 8gb x2 @ 1600 10-10-10-28
Video Card(s) Xfx rx580 2048 4gb
This one should be the EEPROM (for BIOS)
Some said wait until flash finished.some said short until it boot into windows. Which is accurate?

Ok. I am able to boot up but when flash it. It said.

-f option not support in external version...
 
Last edited:
Joined
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Video Card(s) XFX RX 5700XT THICC III Ultra 8GB / XFX RX 6600XT 8GB
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Once you started the computer do not restart it.
And from windows just use the flashing file .
Right click on the ati/amdvbflashWin.exe and open it with administrator rights.

Find the BIOS (original version) for your card and memory chip vendor and flash it.
 
Joined
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System Name Windows 10
Processor AMD fox 8350
Motherboard Asus m5a8l le
Cooling I’d cooling frostflow 240
Memory Hyper fury 8gb x2 @ 1600 10-10-10-28
Video Card(s) Xfx rx580 2048 4gb
Once you started the computer do not restart it.
And from windows just use the flashing file .
Right click on the ati/amdvbflashWin.exe and open it with administrator rights.

Find the BIOS (original version) for your card and memory chip vendor and flash it.
I try this in windows and it said cannot read rom.
Weird
 

eidairaman1

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Joined
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System Name Windows 10
Processor AMD fox 8350
Motherboard Asus m5a8l le
Cooling I’d cooling frostflow 240
Memory Hyper fury 8gb x2 @ 1600 10-10-10-28
Video Card(s) Xfx rx580 2048 4gb
does anyone know which sop flash can flash PM25LQ020?
 
Joined
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Messages
7 (0.01/day)
System Name Windows 10
Processor AMD fox 8350
Motherboard Asus m5a8l le
Cooling I’d cooling frostflow 240
Memory Hyper fury 8gb x2 @ 1600 10-10-10-28
Video Card(s) Xfx rx580 2048 4gb
CH341A is cheap and easy to find.
i tried the programs, in the list do have a similar chip is PM25LV020, but no PM25LQ020 in the database.
 
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