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Underclock/Undervolt/Unlock RX 560D aka RX 460

 
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post #1 of 2 (permalink) Old 03-19-2020, 10:19 PM - Thread Starter
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Underclock/Undervolt/Unlock RX 560D aka RX 460

Been out of the game for a year so could use some help.

I got a mining Powercolor RX 560 on ebay for supercheap (Basically a 560d aka RX 460)

https://www.ebay.com/i/184204474194?...hantid=6296724

https://www.newegg.com/powercolor-ra...82E16814131725

Problem is my PSU is 290W and I am not looking to upgrade the machine as its a server with proprietary connections to the motherboard a third party PSU wouldn't work for this scenario

I have a SATA pin to 6 pin connector but I dont want to have to deal with black screens or instability issues from power draw

I aware of Wattman and just heard about SRBPolaris Bios Editor

I just want to be able to run the card at like PCI-E slighty lower than max power settings(75W correct?) but I am willing to use the 6 pin connector I just dont trust the 12 draw for this powersupply under load. I just want it to be able to run off PCI-E only with the 12v as a emergency suppliment for spikes.

I plan on using it for gaming.

What settings would be stable and accomplish this? I am aware there are probably BIOS already for it but its the DVI only edition which makes it necessary to manually edit.


Last edited by dlee7283; 03-25-2020 at 08:10 PM.
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post #2 of 2 (permalink) Old 03-25-2020, 06:17 PM - Thread Starter
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I was able to unlock this card to a full 560 just using these steps

it is a default 45w card but i got it to run stable at 30w with 1100 gpu /1625 memory

ill also upload the modified bios where the shaders are unlocked to a full 560 for this powercolor model with DVI only. This is just for my card. You can use the instructions below to see if your 560 2nd edition/560d can be modified

1 -Open your BIOS with an Hex editor(HxD), then:
a) - Press Ctrl+F
b) - Search for 6F 22 70 22 in hex form
c) - Replace 6F 22 70 22 for 6F 22 6F 22.
d) - Save BIOS Crtl+S.
2 - Correct BIOS checksum:
a) Open BIOS with Polaris Editor
b) - Save BIOS.
3 - Flash BIOS (ATI ATIFlash / AMD VBFlash)
4 - Run Atikmdag Patcher(important)
5 - Restart PC.
6 - Enjoy it if you have an unlocked card. :toast:


thanks to aGEOM


If you can't find the string values, you might need to save as the default format like 560.rom instead of 560bios.rom. I loaded one of my original dumps and the hex editor couldnt find the values when i didnt save the rom dump properly. You can try SRBPolaris to try to dump rom as well.
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Attached Files
File Type: zip 560biosmodified.zip (110.5 KB, 3 views)
File Type: zip 560bios.zip (110.4 KB, 4 views)


Last edited by dlee7283; 03-27-2020 at 04:08 PM.
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