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Author Topic: [UPDATE] RX480 (Ref) 31+Mh, Custom Rom - VDDC OFFSET + Custom timing  (Read 229987 times)
Trimegistus
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November 07, 2016, 01:00:42 PM
 #901

I undervolt and underclock to save power and have less noisy rigs.

Each of my rigs, 6x480 4G, is mining ETH at ~130 MHs

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November 07, 2016, 01:05:11 PM
 #902

Hello, guys...

One quck question: is there ROM available for RX 480 4GB Sapphire Nitro (non ref).

I tried manually changing memory straps, but when i open bios in Polaris Bios editor, there are no such timings as 1500, 1750 etc...

Any recommendations?

Thanks


Apparently no one took the time to try to mod one of these as they are less popular than their 8 GB cousins.

I have a few 4Gb and I'm happy with their performance but wouldn't mind to try one modded BIOS just for the fun of it

Of course i took the time Smiley

But as i've mentioned before, these were for private clients.

I could however do something small (some small changes)..

I'll post one today.

Greetings

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November 07, 2016, 01:48:55 PM
 #903

Hello, guys...

One quck question: is there ROM available for RX 480 4GB Sapphire Nitro (non ref).

I tried manually changing memory straps, but when i open bios in Polaris Bios editor, there are no such timings as 1500, 1750 etc...

Any recommendations?

Thanks


Apparently no one took the time to try to mod one of these as they are less popular than their 8 GB cousins.

I have a few 4Gb and I'm happy with their performance but wouldn't mind to try one modded BIOS just for the fun of it

Of course i took the time Smiley


But as i've mentioned before, these were for private clients.

I could however do something small (some small changes)..

I'll post one today.

Greetings
I would also be interested and glad to test them Smiley
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November 07, 2016, 02:38:50 PM
Last edit: November 07, 2016, 03:28:20 PM by jenia1
 #904

Hello, guys...

One quck question: is there ROM available for RX 480 4GB Sapphire Nitro (non ref).

I tried manually changing memory straps, but when i open bios in Polaris Bios editor, there are no such timings as 1500, 1750 etc...

Any recommendations?

Thanks


Apparently no one took the time to try to mod one of these as they are less popular than their 8 GB cousins.

I have a few 4Gb and I'm happy with their performance but wouldn't mind to try one modded BIOS just for the fun of it

Of course i took the time Smiley

But as i've mentioned before, these were for private clients.

I could however do something small (some small changes)..

I'll post one today.


Greetings
Eliovp your original links are down, any  chance to upload them back?

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November 07, 2016, 03:50:55 PM
 #905


Of course i took the time Smiley

But as i've mentioned before, these were for private clients.

I could however do something small (some small changes)..

I'll post one today.

Greetings

That would be highly appreciated  Grin

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November 07, 2016, 04:01:59 PM
 #906


Of course i took the time Smiley

But as i've mentioned before, these were for private clients.

I could however do something small (some small changes)..

I'll post one today.

Greetings

That would be highly appreciated  Grin

Here, Sapphire 480 4G, basic changes.
I didn't change clocks or voltage settings.

Use atflash without the -f flag. In other words, DO NOT FORCE THIS rom on your GPU, also if atiflash complains that the device ID is not the same, DO NOT FLASH.

You can use this on both Hynix and Elpida.

Link: Here


"All the older files are still available, just change the "http://www.mininghwcomparison.com" part to "http://62.212.74.86/~mining/".

Greetings

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November 07, 2016, 04:16:22 PM
 #907


Here, Sapphire 480 4G, basic changes.
I didn't change clocks or voltage settings.

Use atflash without the -f flag. In other words, DO NOT FORCE THIS rom on your GPU, also if atiflash complains that the device ID is not the same, DO NOT FLASH.

You can use this on both Hynix and Elpida.

Link: Here


"All the older files are still available, just change the "http://www.mininghwcomparison.com" part to "http://62.212.74.86/~mining/".

Greetings

So you changed only the memory timings?

Thank you. I'll give it a try

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November 07, 2016, 04:18:36 PM
 #908


Of course i took the time Smiley

But as i've mentioned before, these were for private clients.

I could however do something small (some small changes)..

I'll post one today.

Greetings

That would be highly appreciated  Grin

Here, Sapphire 480 4G, basic changes.
I didn't change clocks or voltage settings.

Use atflash without the -f flag. In other words, DO NOT FORCE THIS rom on your GPU, also if atiflash complains that the device ID is not the same, DO NOT FLASH.

You can use this on both Hynix and Elpida.

Link: Here


"All the older files are still available, just change the "http://www.mininghwcomparison.com" part to "http://62.212.74.86/~mining/".

Greetings

thanks! works indeed!

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Eliovp
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November 07, 2016, 04:53:45 PM
 #909


Here, Sapphire 480 4G, basic changes.
I didn't change clocks or voltage settings.

Use atflash without the -f flag. In other words, DO NOT FORCE THIS rom on your GPU, also if atiflash complains that the device ID is not the same, DO NOT FLASH.

You can use this on both Hynix and Elpida.

Link: Here


"All the older files are still available, just change the "http://www.mininghwcomparison.com" part to "http://62.212.74.86/~mining/".

Greetings

So you changed only the memory timings?

Thank you. I'll give it a try

Yup Smiley

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November 07, 2016, 05:45:34 PM
 #910

@Eliovp: Tested your ROM with ETH and ZEC, stock clocks, undervolted and underclocked...

Conclusion: No changes, still getting exactly the same results as the other cards with stock BIOS.

Anyway, no complaints. Thanks for trying!

Cheers!

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November 07, 2016, 06:11:02 PM
 #911

@Eliovp: Tested your ROM with ETH and ZEC, stock clocks, undervolted and underclocked...

Conclusion: No changes, still getting exactly the same results as the other cards with stock BIOS.

Anyway, no complaints. Thanks for trying!

Cheers!


Haha, i honestly was thinking, no way, that's impossible.
So i checked the rom i uploaded, of course, it's the wrong one  Grin

Will upload the right one as soon as i get at my office.

Quote
Turning Idiotic mode off again...

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November 07, 2016, 08:37:45 PM
 #912

@Eliovp: Tested your ROM with ETH and ZEC, stock clocks, undervolted and underclocked...

Conclusion: No changes, still getting exactly the same results as the other cards with stock BIOS.

Anyway, no complaints. Thanks for trying!

Cheers!


Haha, i honestly was thinking, no way, that's impossible.
So i checked the rom i uploaded, of course, it's the wrong one  Grin

Will upload the right one as soon as i get at my office.

Quote
Turning Idiotic mode off again...

lol.... well happens..^^

if you got some spare time may i ask you to also look at my "special case", its specified in the previous page of the thread quite extensively...

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November 07, 2016, 08:41:00 PM
 #913

@Eliovp: Tested your ROM with ETH and ZEC, stock clocks, undervolted and underclocked...

Conclusion: No changes, still getting exactly the same results as the other cards with stock BIOS.

Anyway, no complaints. Thanks for trying!

Cheers!


Haha, i honestly was thinking, no way, that's impossible.
So i checked the rom i uploaded, of course, it's the wrong one  Grin

Will upload the right one as soon as i get at my office.

Quote
Turning Idiotic mode off again...
thanks Eliovp,
i try rx480 4gb yours, before read this post :p
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November 07, 2016, 09:18:10 PM
 #914

I modded some Gigabyte G1 470's4G and 480's8G.
 Accidentally flashed 480 card with 470 modded bios.
 Card worked as 470 and GPU-z and all saw it as 470 4GB.
  So some cards can do others card bios.
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November 08, 2016, 03:23:38 PM
 #915

Here's an updated one. Sapphire 480 4G Hynix + Elpida. Memory at 1950.

Link: Here

Greetings

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November 08, 2016, 09:19:30 PM
 #916

Here's an updated one. Sapphire 480 4G Hynix + Elpida. Memory at 1950.

Link: Here

Greetings

same file for both Hynix & Elpida Sure?
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November 09, 2016, 01:50:45 AM
 #917

i wanted to ask stupid question here, how to oc nitro rx 480 4gb
because if i set cclock more than 1120 in claymore, ati & vga crash
am i must use software for it ?

thanks
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November 10, 2016, 10:27:25 PM
 #918

this is getting on my freaking nerves already.

i am flashing my sapphire 480 8gb ref with the 32 bios and it is being recognized again as 4gb and give me m/h of like 24 and then after a whole day drops to 8MH/s.. and the rest of the bioses of Eliovp also dont work.. always some weird shit happens.. using the newest drivers crimson 16.9.2   wtf is wrong with my card?!

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November 11, 2016, 12:19:34 AM
 #919

this is getting on my freaking nerves already.

i am flashing my sapphire 480 8gb ref with the 32 bios and it is being recognized again as 4gb and give me m/h of like 24 and then after a whole day drops to 8MH/s.. and the rest of the bioses of Eliovp also dont work.. always some weird shit happens.. using the newest drivers crimson 16.9.2   wtf is wrong with my card?!
Put original bios back and do some tests....
kalhohan
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November 11, 2016, 12:46:48 AM
 #920

Hi,
Crap, just bought a Sapphire RX 480 ref card, and it's samsung memory inside... Does a bios mod exist for this one?
By advance, Thanks
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