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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 65

post #641 of 3354
Please do some gaming benchmarks at 4k in titles like Witcher3-StarwarsBF (very sensitive to memory bandwidth)

Stock vs modded timings
post #642 of 3354
hello guys, i got an rx 480 xfx 4gb, and i am wondering to flash it to 8gb, its reference model with bios 015.050.000.000.006829 and device id 1002 67df - 1682 9480 , so can i flash it to 8gb and how will it be possible? are there any risks, if so can anyone elaborate which bios can i flash on it to get 8gb, i dont need any fancy ocs just 8gb memory if this card has it.

Please someone reply.
post #643 of 3354
Quote:
Originally Posted by afaque View Post

hello guys, i got an rx 480 xfx 4gb, and i am wondering to flash it to 8gb, its reference model with bios 015.050.000.000.006829 and device id 1002 67df - 1682 9480 , so can i flash it to 8gb and how will it be possible? are there any risks, if so can anyone elaborate which bios can i flash on it to get 8gb, i dont need any fancy ocs just 8gb memory if this card has it.

Please someone reply.

You have to see how many mem chips your card have, (really) long story short, 4 chips -> no way to flash it to 8 (you mush have 8 chips)
post #644 of 3354
Thread Starter 
Quote:
Originally Posted by AliNT77 View Post

Please do some gaming benchmarks at 4k in titles like Witcher3-StarwarsBF (very sensitive to memory bandwidth)

Stock vs modded timings

216GB/s Stock
14200 FireStrike Stock
THE WITCHER 3(Ultra - No HW - AA ON) 53fps 1080P Stock
THE WITCHER 3(Ultra - No HW - AA ON) 22fps 4K* Stock


229GB/s MOD +6%
14500 FireStrike MOD +2.1%
THE WITCHER 3(Ultra - No HW - AA ON) 56fps 1080P MOD +5.6%
THE WITCHER 3(Ultra - No HW - AA ON) 23fps 4K* MOD +4.5%

Performance/Bandwidth Tested with The Witcher 3 in a Heavy Foliage Place in Blood&Wine DLC
*VSR for 4K
Edited by generaleramon - 9/26/16 at 2:52pm
post #645 of 3354
Quote:
Originally Posted by afaque View Post

hello guys, i got an rx 480 xfx 4gb, and i am wondering to flash it to 8gb, its reference model with bios 015.050.000.000.006829 and device id 1002 67df - 1682 9480 , so can i flash it to 8gb and how will it be possible? are there any risks, if so can anyone elaborate which bios can i flash on it to get 8gb, i dont need any fancy ocs just 8gb memory if this card has it.

Please someone reply.

Use atiflash-2-74 to backup your current bios. Compare your bios against this one. If they are identical, you are good to go. Download this bios and flash your card with it. There was not a single report of a reference 4GB card that did not have 8GB. For some reason XFX has an own bios even on the reference models, but there is no difference in the hardware.

There is always the risk of an error during flashing that can brick the card. You then need onboard graphics or another card to boot your system and flash again.
Quote:
Originally Posted by Vento041 View Post

You have to see how many mem chips your card have, (really) long story short, 4 chips -> no way to flash it to 8 (you mush have 8 chips)

4 GB card also have 8 chips, but with lower density. Otherwise the memory interface would only be 128 bit.
Edited by BromoL - 9/26/16 at 11:07am
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post #646 of 3354
Hi there, newbie here. Wonder if anyone can share the original bios for MSI RX480 Gaming X 4GB card?

Basically I used GPU-Z to backup my original bios and went into PolarosBiosMod to change the timing values by copying the values under 1625 and place it into 1750 and 2000 columns. After all these changes, my card was bricked.

Just wanna flash back to the original bios and save my card
post #647 of 3354
Quote:
Originally Posted by BromoL View Post

Use atiflash-2-74 to backup your current bios. Compare your bios against this one. If they are identical, you are good to go. Download this bios and flash your card with it. There was not a single report of a reference 4GB card that did not have 8GB. For some reason XFX has an own bios even on the reference models, but there is no difference in the hardware.

There is always the risk of an error during flashing that can brick the card. You then need onboard graphics or another card to boot your system and flash again.
4 GB card also have 8 chips, but with lower density. Otherwise the memory interface would only be 128 bit.

i tried to flash and it says subsystem ids mismatch and fails frown.gif
post #648 of 3354
Edited the BIOS and flashed the card (Sapphire Nitro RX 480), but the card is power limited somehow. I was able to run at 1370Mhz in game but now it's hovering around 1000MHz. Anyone else experienced this problem?
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post #649 of 3354
Thread Starter 
Quote:
Originally Posted by afaque View Post

i tried to flash and it says subsystem ids mismatch and fails frown.gif
You need to flash the card using the commandline(cmd in windows) version of atiflas. "atiflash -p -f 0 bios.rom" to force the flash
post #650 of 3354
Quote:
Originally Posted by generaleramon View Post

You need to flash the card using the commandline(cmd in windows) version of atiflas. "atiflash -p -f 0 bios.rom" to force the flash

Yes, i forgot about this. Did XFX actuall change something in their bioses? If you want to stay with XFX's bios version you can try this one from their 8GB reference card.

You might have to unlock the rom before flashing:
Code:
> atiwinflash -unlockrom 0
> atiwinflash -f -p 0 bios.bin

0 is the adapter number. You can enumerate your adapters with
Code:
> atiwinflash -i

I never did this myself (was not neccessary on my Sapphire reference card). So this information is from "The Internet".
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