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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 80

post #791 of 3466
Is the mod improved memory timings?
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post #792 of 3466
yes
post #793 of 3466
Please let's BIOS 8GB version:

Sapphire NITRO+ RX 480
post #794 of 3466
I just modded my original bios of my MSI RX 470 4G to have the 1500 timings. When I flash the computer starts and works fine but during POST the motherboard gives me 3 long beeps. I flashed back the original bios and the beeps are gone. Flashing a freshly modded bios and again, the beeps. Does anyone know how to fix this except for just disconnecting the motherboard speaker? The beeps are rather alarming. Thanks!
post #795 of 3466
You need edit bios in HEx, your moded bios has invalid cheksum.

I Edit bios in Hex and works fine.
post #796 of 3466
Quote:
Originally Posted by vlatko175 View Post

Modded bios: Saphire RX 480 4gb elpida :




1100 / 2000
Claymore : ETH 29MH/S + SIA 435MH/S

Share the rom pls
post #797 of 3466
Quote:
Originally Posted by ritutu View Post

You need edit bios in HEx, your moded bios has invalid cheksum.

I Edit bios in Hex and works fine.

Hi, can you share a bios mod for the 480 nitro+? for gaming... not mining thanks!
post #798 of 3466
Hi all
I recently got some cheap cards for mining - Sapphire Nitro+ RX480 with 4GB of Elpida memory which was originally clocked at 1750MHz.

As Polaris Editor doesn't work with Elpida cards, i started fiddling around with the Hexeditor and managed to copy the 1500MHz memory timing straps to the higher ones.
Now my test card is running smoothly @ 29+MH/s while drawing only 77 Watts over the PCIe lines while clocking @ 1145/2050MHz smile.gif

Feel free to test my BIOS at your own risk.
All modding was done with switch on "silent mode" (towards the connector plate).
Use atiwflash as usual.

Screenshot: https://1drv.ms/i/s!AhVnWzjB8iG4lXgi0nq5FmrSwmSN
BIOS: https://1drv.ms/u/s!AhVnWzjB8iG4lXd1uJwBK1TIG1xw

have fun
al



edit: files now external.
Edited by Aleistermarley - 10/13/16 at 7:20am
post #799 of 3466
It seems I cannot download from this forum (is it because I'm new?), can you upload file somewhere else?
post #800 of 3466
Quote:
Originally Posted by Aleistermarley View Post

Hi all
I recently got some cheap cards for mining - Sapphire Nitro+ with 4GB of Elpida memory which was originally clocked at 1750MHz.

As Polaris Editor doesn't work with Elpida cards, i started fiddling around with the Hexeditor and managed to copy the 1500MHz memory straps to the higher ones.
Now my test card is running smoothly @ 29+MH/s while drawing only 77 Watts over the PCIe lines while clocking @ 1145/2050MHz smile.gif

Feel free to test my BIOS at your own risk.
All modding was done with switch on "silent mode" (towards the connector plate).
Use atiwflash as usual.

480nitro.jpg 163k .jpg file
almarley.zip 109k .zip file

have fun
al

Opening the pic gives an error.
Did you edit only the straps in hex?''
Quote:
Originally Posted by Aleistermarley View Post

All modding was done with switch on "silent mode" (towards the connector plate).
is there any difference which bios straps you edit? I mean when you edit straps and other values in wattool, the effect should be the same for both bioses, or am i wrong?
Can anyone give some insight for this?
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