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BIOS Mod for RX 470 with micron Memory possible?
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Topic: BIOS Mod for RX 470 with micron Memory possible? (Read 5375 times)
willi9974
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BIOS Mod for RX 470 with micron Memory possible?
May 03, 2017, 07:16:34 PM
Last edit: May 03, 2017, 08:32:41 PM by willi9974
#1
Hello,
I have get my cards SAPPHIRE Radeon RX 470 Nitro 8GB OC (11256-17-20G) but on the cards have micron Memory. At stock the cards make 24 mh/s by 180 Watt and the Question is, it is possible to Mod this cards and make the cards a little bit faster and reduce the power consumtions?
Bios Backup
https://www.file-upload.net/download-12478023/bios_470_org.rom.html
Picture from Polaris Editor
http://www.bilder-upload.eu/show.php?file=5862a9-1493843633.jpg
Willi
Tesla 1000 EUR Rabatt über den Empfehlungslink, Interesse dann schreib mir eine PM
Tesla 1000 EUR discount via the referral link, if you are interested then write me a PM
liomojo1
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Re: BIOS Mod for RX 470 with micron Memory possible?
May 04, 2017, 04:53:45 AM
#2
Yes it is possible, download the latest Polaris bios editor and it should read it ok! Copy the 1625 strap and try to see what they can do by uping the ddr till it crashes!
https://bitcointalk.org/index.php?topic=1843147.0
here you can find Polaris editor for micron!
I have 6x Asus 470 8gb micron , moded the bios and put 1625 strap and then clocked ddr to 1950 and gpu to 1140 , up the TDP 25% and they make 27mgh. The problem is that if i put a monitor to any card wich is 1950 and hashing for hours with no problem and no errors in Hwinfo and stop the miner the pc crashes! I thought that one card is poor , but changing others and put the monitor to them they start to do the same, is there a way to fix this!
And don't believe that they burn 100watt, 6 cards burn 1200watt dualmining and 1000w only eth!
willi9974
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Re: BIOS Mod for RX 470 with micron Memory possible?
May 04, 2017, 05:26:23 AM
#3
i found the right polaris editor for micron memory
This is the usable Micron and elpida version of polaris bios editor
https://www.dropbox.com/s/5r3z83yg15arymq/PolarisBiosEditor-micron-elpida.rar?dl=0
so now the timing numburs display right.
http://www.bilder-upload.eu/show.php?file=2878e7-1493875324.jpg
what i must change now?
both timings
1:1625 (copy that to 1:1750 and 1:2000)
1:1750
1:2000
2:1625 (and the same here, copy this to 2:1750 and 2:2000)
2:1750
2:2000
but where can I find that (clocked ddr to 1950 and gpu to 1140 , up the TDP 25%)
http://www.bilder-upload.eu/show.php?file=2878e7-1493875324.jpg
Greetings from germany
Willi
Tesla 1000 EUR Rabatt über den Empfehlungslink, Interesse dann schreib mir eine PM
Tesla 1000 EUR discount via the referral link, if you are interested then write me a PM
liomojo1
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Re: BIOS Mod for RX 470 with micron Memory possible?
May 04, 2017, 09:09:16 AM
#4
I use msi afterburn to change tdp and clocks, but you can try with wattman too! It is interested that my bios don't have two row of timings , only 1 ! Obviously msi uses different micron memory from Asus! If you can see the chips of you card or that are hidden?
And yes copy both 1625 strap to the above, but be sure to copy it all!
rednoW
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Re: BIOS Mod for RX 470 with micron Memory possible?
May 04, 2017, 09:42:33 AM
#5
Is it true that you can flash nitro rx480 8gb micron bios to nitro rx470 8gb micron card and get fully functional rx480 8gb card? I talk about nitro without plus. I would like to try but this card has no dual bios so I'm kinda afraid ))
kapsel
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Re: BIOS Mod for RX 470 with micron Memory possible?
May 04, 2017, 10:29:49 AM
#6
Quote from: willi9974 on May 04, 2017, 05:26:23 AM
i found the right polaris editor for micron memory
This is the usable Micron and elpida version of polaris bios editor
https://www.dropbox.com/s/5r3z83yg15arymq/PolarisBiosEditor-micron-elpida.rar?dl=0
so now the timing numburs display right.
http://www.bilder-upload.eu/show.php?file=2878e7-1493875324.jpg
what i must change now?
both timings
1:1625 (copy that to 1:1750 and 1:2000)
1:1750
1:2000
2:1625 (and the same here, copy this to 2:1750 and 2:2000)
2:1750
2:2000
but where can I find that (clocked ddr to 1950 and gpu to 1140 , up the TDP 25%)
http://www.bilder-upload.eu/show.php?file=2878e7-1493875324.jpg
Greetings from germany
Willi
I had a problem with properly flashing my micron card, but this works perfectly fine, thanks.
willi9974
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Activity: 3598
Merit: 2828
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Re: BIOS Mod for RX 470 with micron Memory possible?
May 04, 2017, 09:10:21 PM
#7
Hello
i have all 6 cards flashed and now i have, 155 mh/s by 1050 watt at the wall
can i tune the cards with MSI afterburner under windows? and in case of yes, what can i change?
Best regards from Germany
Willi
Tesla 1000 EUR Rabatt über den Empfehlungslink, Interesse dann schreib mir eine PM
Tesla 1000 EUR discount via the referral link, if you are interested then write me a PM
invi013
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Re: BIOS Mod for RX 470 with micron Memory possible?
May 16, 2017, 11:13:45 AM
#8
Hi guys,
I got 6x radeon rx 470 8GB with micron memory, before I flashed I was getting around 140 Mh/seg and around 1050 Watts. I flashed all my cards last night and Im getting around 156 Mh/seg around 26 each but Im not sure about the graphics temperatures..
http://www.bilder-upload.eu/show.php?file=963583-1494933198.png
http://www.bilder-upload.eu/show.php?file=3900fd-1494932844.jpg
1875:
777000000000000022AA1C00B56A6D46C0551017BE8E060C006AE6000C081420EA8900AB0300000
01B162C31C0313F17
2000:
i777000000000000022AA1C00B56A6D46C0551017BE8E060C006AE6000C081420EA8900AB030000
001B162C31C0313F17
I used this numbers for my flashing
What do you think about that?
Thx
siagirl
Full Member
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Activity: 180
Merit: 100
Re: BIOS Mod for RX 470 with micron Memory possible?
May 16, 2017, 12:10:27 PM
#9
http://www.filedropper.com/s480-8gb-micron
go go!!!
micron for saphire rx480
my eth wallet is :
0x1e884e390f1f62d37cda1e272cb87f60d5bd3f4
Thank you in advance.
botros
Newbie
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Activity: 31
Merit: 0
Re: BIOS Mod for RX 470 with micron Memory possible?
May 18, 2017, 08:39:28 PM
#10
Quote from: siagirl on May 16, 2017, 12:10:27 PM
http://www.filedropper.com/s480-8gb-micron
go go!!!
micron for saphire rx480
my eth wallet is :
0x1e884e390f1f62d37cda1e272cb87f60d5bd3f4
Thank you in advance.
hi ,, your Bios is for 480 ... the post is about 470 ... thankx anyhow .
botros
Newbie
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Activity: 31
Merit: 0
Re: BIOS Mod for RX 470 with micron Memory possible?
May 18, 2017, 08:47:57 PM
#11
so ,,, after a month or 45 days now ,,,
whats is the best anyone got from such a card
I got out 27.5 mh , but not stable
the best stable results were 25.85 at 1000 core clock and 1790 memory clock ..
any one could reach 28 something please share yr Modd .
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