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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 217

post #2161 of 3317
Quote:
Originally Posted by SovietDash View Post

Has anyone extracted the BIOS from a Sapphire Nitro RX 580 4GB?

I'm interested too. However it seems that this time the 4GB version has 2000 MHz Memory, so it's probably Samsung memory.
As far as I'm aware of, most RX480 4GB came with Hynix memory. Those with Samsung memory like mine could easily be overclocked from 1750 MHz to 2000 MHz and beyond. Mine is 100% stable at 2120 MHz memory clock.

http://sapphirenitro.sapphiretech.com/en/580-4.html

On the other hand, at 1411 Mhz core, I don't think my card would be stable at default voltage, unless some BIOS changes with the RX580 also improve stability (I would like to test that).
post #2162 of 3317
Quote:
Originally Posted by SSBrain View Post

I'm interested too. However it seems that this time the 4GB version has 2000 MHz Memory, so it's probably Samsung memory.
As far as I'm aware of, most RX480 4GB came with Hynix memory. Those with Samsung memory like mine could easily be overclocked from 1750 MHz to 2000 MHz and beyond. Mine is 100% stable at 2120 MHz memory clock.

http://sapphirenitro.sapphiretech.com/en/580-4.html

On the other hand, at 1411 Mhz core, I don't think my card would be stable at default voltage, unless some BIOS changes with the RX580 also improve stability (I would like to test that).

Would try RX 580 bios on my RX480 too, but... Sapphire Radeon Nitro+ RX580 8GB seems to have SKHynix memory...

Like they said at TPU : "This is a shame"

PS :


At least we're pretty sure those are not refurbish RX480 Nitro+ with stickers on the box !
Edited by Mhazz - 4/19/17 at 7:05am
post #2163 of 3317
Actually, I just tried opening with Polaris BIOS Editor one of the saved RX580 8GB BIOS, and it appears that it might be able to support different memory chips.

The K4G8... code is for Samsung 8Gb memory. (4Gb Samsung memory begins with K4G4).

vZLy4IV.png
post #2164 of 3317
I confirm that.
I have Sapphire RX480 Nitro+ 8Gb OC

post #2165 of 3317
I might try flashing my powercolor red devil Rx 480 to a 580. Anyone do that one yet?
post #2166 of 3317
Quote:
Originally Posted by navjack27 View Post

I might try flashing my powercolor red devil Rx 480 to a 580. Anyone do that one yet?

I just saw that the Powercolor RX 580 bios posted at TPU in the unverified, I would try it but my PC RX 480 is out for RMA.

https://www.techpowerup.com/vgabios/?architecture=Uploads&manufacturer=Powercolor&model=RX+580&interface=&memType=&memSize=&since=
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post #2167 of 3317
Quote:
Originally Posted by chris89 View Post

It's going to throttle no way around it but way cooler running... Set this temperature limits higher and not throttle yet temps continue well past 80-90C...

Sapphire_RX580_8GB_BIOS_73C_73C_3667RPM.zip 110k .zip file
So you fixed the temps and fan to make it cooler? Will try this tonight after I get off work and report back.
post #2168 of 3317
Up for the 4gb.
post #2169 of 3317
I have dual msi rx 480 gaming x 8gb's would be willing to try a a msi rx 580 gaming x 8gb has it been uploaded yet?
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post #2170 of 3317
I have an ASUS 8GB 480 in my girls computer, I'm willing to experiment.

Is this even possible for reference cards?
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