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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 81

post #801 of 3318
Quote:
Originally Posted by sfdgasf87 View Post

It seems I cannot download from this forum (is it because I'm new?), can you upload file somewhere else?

same here, pls
post #802 of 3318
I got my MSI RX 470 Gaming 4G stable for 1-hour now, I:
1. Modded original bios via Polaris Bios Editor to 1500Mhz timings copied throughout 2000Mhz.
2. Set WattTool to 1100Mhz/925mV on Core, and 2000Mhz/1000mV on Memory.
3. Claymore mining single GPU ETH.

The reported ETH hashrate in Claymore is 28Mh/s stable. My pool is reporting 32MH/s but that's probably a mistake. I can reach 28.5 MH/s with original core clock, it would not improve my profitability rate given how much I pay for electricity. Temperature of GPU stays around 50 Celcius, which I am pretty content with.

I have 2 questions I hope you guys could help me with.
1. @Ritutu was so kind to point out that my motherboard bios beeps at system boot are due to an invalid Checksum on my modded Bios. Could someone explain or guide me through the process of (re-)verifying the Checksum for me? I would greatly appreciate it!
2. I sometimes get a bunch of reported memory errors in HWiNFO64 at the start of the miner, and none after that, is this something to be worried about?
Edited by kikibu - 10/12/16 at 12:17pm
post #803 of 3318
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 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 - 10/12/16 at 12:13pm
post #804 of 3318
Quote:
Originally Posted by hunabku View Post

Opening the pic gives an error.
Did you edit only the straps in hex?''
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?

I only edited the memory timing straps above 1500 - everything else is original "silent mode" bios.
Memory timing is always modded via BIOS - no tool can do this in the live system.
I think its the main cause people are modding their bioses.
post #805 of 3318
Quote:
Originally Posted by Aleistermarley View Post

edit: files now external.
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 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.


Thanks man it worked it's tricky but it worked.
post #806 of 3318
So I managed to calculate the 32-Bit Checksum value of my original bios and modded timings using Polaris Bios Editor:
02908FB2 (43028402) (ORIGINAL)
02908EB2 (43028146) (MODDED)

As you can see, the modded is lower total. Seeing as there were only FF entries at the end I couldn't easily 'add' higher value characters to it.

I then went back to Polaris Bios Editor and changed the Fan Max from 2400 to 2500. When I recalculated the newly modded bios ROM with Hex Workshop Editor, I found the checksum was now the same as the original!

So I flashed that bios and alas! Still the VGA Bad Beeps coming from the motherboard... I then went into GPU-Z, dumped the newly flashed (modded) Bios and opened it up in Hex Editor and to my surprise, the Checksum had changed!

Does someone know what the hell is going on here? How can I fix the bad GPU beep problem? Many Thanks!
post #807 of 3318
Quote:
Originally Posted by Aleistermarley View Post

edit: files now external.

Sapphire Nitro 480 4GB Elpida.
Flash BIOS (almarley.rom) , atiflash_274.

Error: VBIOS image not found. frown.gif

?
post #808 of 3318
Quote:
Originally Posted by Diuscom View Post

Sapphire Nitro 480 4GB Elpida.
Flash BIOS (almarley.rom) , atiflash_274.

Error: VBIOS image not found. frown.gif

?

Its same for me. Bios not working.
Error: VBIOS image not found
post #809 of 3318
Maybe you have different hardware - GPUz must show 4G of Elpida Memory.
My card has PN: 299-2E347-100SA

i flashed with command line:
> atiwinflash -f -p 0 almarley.rom

MD5 of my rom is: 1f9e665e790df58349786a7db641ffb9 for checking
I'm on Win10x64 with Crimson-16.10.1 drivers. No further patching needed.
post #810 of 3318
hey, im new here. I have a rx460 nitro 4gb. Any Stable OC Bios ? And any chance to unlock the stream processors (896). I dont find anything in this thread. Sorry for my bad englisch.^^
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