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Author Topic: BIOS and mods for Sapphire RX 480 8gb Micron Memory - 0.25 ETH reward for help  (Read 171 times)
insider00
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Today at 11:19:27 AM
 #1

Hello

I just got a 5 of Sapphire RX 480 8gb Micron Memory hashing at 24.2XX

I need help in reaching the best speed on ETH with these GPUs with a modded bios, i know how to change time strap but this card time straps is different than the other cards i ever seen check screenshot ( http://prnt.sc/eolr9f ) . The memory type is Micron
BIOS Download : https://www.dropbox.com/s/a1abv2t548jqezb/micron4802.rar?dl=0

I have searched the forum here for help and even Google but it seems that there is no reliable/helpful advice with this card in particular.

0.25 reward to the person that helps the most
1490555831
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Reply with quote  #2

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percy_tc
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Today at 01:19:56 PM
 #2

copy faster timings value and paste to the last field.

example: copy "18400..." value to " 1900.." field.
insider00
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Today at 02:04:39 PM
 #3

i don't think that u toke a look on the bios i sent

it's has 2 memory straps profiles each profile has 11 field, it's a really strange bios to me
Set Ready Go
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Today at 02:10:48 PM
 #4

check out this video on youtube, talks about micron memory and why it isnt moddable.



https://www.youtube.com/watch?v=TWX5bOTjipQ
cryptominer420
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Today at 02:18:38 PM
 #5

Here are 3 bioses modded for you.
1625 Memory straps https://www.dropbox.com/s/qs3av04vv5e1skn/micron4802-1625%20Straps.rom?dl=0
1700 Memory straps https://www.dropbox.com/s/292axebpcc3pghb/micron4802-1750%20Straps.rom?dl=0
1500 Memory straps (may not work at all) https://www.dropbox.com/s/0x6767hd9idlnxm/micron4802-1500%20Straps%20May%20noy%20work%20under%20load.rom?dl=0

This is the usable Micron and elpida version of polaris bios editor https://www.dropbox.com/s/5r3z83yg15arymq/PolarisBiosEditor-micron-elpida.rar?dl=0

BTC: 1Eeb9SoBeY7AQjjFn7YMJZMY7Jtw5gxxHs  ETH: 0x68e4EA3b7e60C8D6fC9BA92775ccE27Ca542D114
insider00
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Today at 04:55:58 PM
 #6



Thank you for your help, but are you sure this one will work ? have you tested it before ? i didn't flash it yet, but i used similar mod yesterday and didn't work, alot of people saying it's can't be modified, just want to make sure that u tried it before ?

thanks
Raja_MBZ
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Today at 06:40:26 PM
 #7

If you want to attain stable 27 MH/s, do you know you can get it without flashing through Claymore miner's integrated functions?

Use -cclock and -mclock, check FAQ of Claymore miner for more information.


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