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Author Topic: [UPDATE] RX480 (Ref) 31+Mh, Custom Rom - VDDC OFFSET + Custom timing  (Read 231076 times)
BenCodie
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November 12, 2016, 01:28:49 PM
 #921

Any Modded Rom for AMD Sapphire Nitro+ Rx 480 8GB OC for 100+ Sols/s on zcash
My GPUs are ellesmere with Samsung chip

How to lower the power from wattman builtin tool?

 
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Hedin
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November 12, 2016, 01:36:40 PM
 #922

Is it possible to get more than 26mh\s on Gigabyte AMD Radeon RX 480 G1 GAMING [GV-RX480G1 GAMING-8GD]?
How to modify it's BIOS?
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November 12, 2016, 05:53:22 PM
 #923

I also have 6 x  Gigabyte Radeon RX 480 G1 Gaming 4GB version
Are there any custom rom that i can use on it?
Also are there any custom rom optimized for Zec / ETH  mining for 7950 cards
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November 12, 2016, 08:02:41 PM
 #924

Hello,
I received a few Sapphire RX480 8GB (Reference Design) today. Unfortunately the links from the first post are down.
I am looing for a good and stable BIOS for Mining ETH/ZCash (I know they are different, but it would be good If I could mine both (not at the same time) without reflashing BIOS).
I would be happy if someone could help me out.
Thank you!
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November 12, 2016, 08:11:40 PM
 #925

At Fensgold:

You can get 75 SOL on a stock RX480 at the moment using Silentarmy V5 or with Simplemining using the Silentarmy mining option.

Mining LTC and other alts since 2014 when I thought I missed the BTC train.
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November 13, 2016, 03:51:57 AM
 #926

Hello,
I received a few Sapphire RX480 8GB (Reference Design) today. Unfortunately the links from the first post are down.
I am looing for a good and stable BIOS for Mining ETH/ZCash (I know they are different, but it would be good If I could mine both (not at the same time) without reflashing BIOS).
I would be happy if someone could help me out.
Thank you!
Just take Claymores 7.3 and Z 4.0. Make bat file in each. Use 7.3 for eth : clock memory higher and 4.0 for zec use factory clocks...
Tmdz
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November 13, 2016, 03:54:05 AM
 #927

Hello,
I received a few Sapphire RX480 8GB (Reference Design) today. Unfortunately the links from the first post are down.
I am looing for a good and stable BIOS for Mining ETH/ZCash (I know they are different, but it would be good If I could mine both (not at the same time) without reflashing BIOS).
I would be happy if someone could help me out.
Thank you!
Just take Claymores 7.3 and Z 4.0. Make bat file in each. Use 7.3 for eth : clock memory higher and 4.0 for zec use factory clocks...

run a modded bios with 1500 straps then undervolt.
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November 13, 2016, 10:01:29 AM
Last edit: November 13, 2016, 10:49:42 AM by FlensGold
 #928

Hello,
I just startet Claymore 7.3 with cclock (1220) and mclock (2275) settings. It seems the hashrate does not change, it is still around 24,7MH/s.
Furthermore I have no clue why GPU-Z does not show me the current numbers on the clock settings:


Does anyone have an idea about this?

Edit (if this is important):
Mainboard is ASRock H81 Pro BTC with "PCI Express" as primary display (Monitor is attached although I am controlling it via Teamviewer), CPU is a Celeron.
Win10 Professional + 8GB RAM. Latest Drivers installed.
jenia1
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November 13, 2016, 10:34:41 AM
 #929

Hello,
I just startet Claymore 7.3 with cclock (1220) and mclock (2275) settings. It seems the hashrate does not change, it is still around 24,7MH/s.
Furthermore I have no clue why GPU-Z does not show me the current numbers on the clock settings:


Does anyone have an idea about this?
any idea why your Temp is not shown? i have the same problem

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November 13, 2016, 11:20:26 AM
 #930

Hello,
I just startet Claymore 7.3 with cclock (1220) and mclock (2275) settings. It seems the hashrate does not change, it is still around 24,7MH/s.
Furthermore I have no clue why GPU-Z does not show me the current numbers on the clock settings:


Does anyone have an idea about this?
any idea why your Temp is not shown? i have the same problem
Drivers...install latest
try gpu1130 - mem2250 with 7.3. that will give 26-27. For more go for moded bios.
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November 13, 2016, 11:25:56 AM
 #931

Hello,
I just startet Claymore 7.3 with cclock (1220) and mclock (2275) settings. It seems the hashrate does not change, it is still around 24,7MH/s.
Furthermore I have no clue why GPU-Z does not show me the current numbers on the clock settings:


Does anyone have an idea about this?
any idea why your Temp is not shown? i have the same problem
Drivers...install latest
try gpu1130 - mem2250 with 7.3. that will give 26-27. For more go for moded bios.
That was my initial question. Does anyone have a modded BIOS for RX480 8GB Reference Card that also works with ZCash (at least it should run stable)? Links in the first post are down Sad
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November 13, 2016, 11:46:19 AM
 #932

Hello,
I just startet Claymore 7.3 with cclock (1220) and mclock (2275) settings. It seems the hashrate does not change, it is still around 24,7MH/s.
Furthermore I have no clue why GPU-Z does not show me the current numbers on the clock settings:


Does anyone have an idea about this?
any idea why your Temp is not shown? i have the same problem
Drivers...install latest
try gpu1130 - mem2250 with 7.3. that will give 26-27. For more go for moded bios.
That was my initial question. Does anyone have a modded BIOS for RX480 8GB Reference Card that also works with ZCash (at least it should run stable)? Links in the first post are down Sad
Zec mines stable and high hash on factory clocks. Moded bioses were for ETH. Though most cards with moded bios are good on ZEC - it does not like high memory clocks as ETH. Try more search for moded bios ( I don't have time now )
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November 13, 2016, 01:40:43 PM
 #933

I managed to get the miner started and having GPU-Z values.


Then I tried around with mclock/cclock settings, but no matter what I do set there - the system freezes short time after start of the miner. This also happens with the stock parameters. Any Idea what I am doing wrong?
(I disabled those settings to create the screenshot)
-cclock 1266
-mclock 2000
jenia1
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November 13, 2016, 02:44:44 PM
Last edit: November 13, 2016, 03:10:30 PM by jenia1
 #934

I managed to get the miner started and having GPU-Z values.


Then I tried around with mclock/cclock settings, but no matter what I do set there - the system freezes short time after start of the miner. This also happens with the stock parameters. Any Idea what I am doing wrong?
(I disabled those settings to create the screenshot)
-cclock 1266
-mclock 2000
hmm.. so may i ask how come gpu-z suddenly shows temp. unlike before?
i have also same problem... also my miner used to show temps and fan speed but now after i tinkered with dirivers its gone..

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November 13, 2016, 04:50:25 PM
 #935

I managed to get the miner started and having GPU-Z values.


Then I tried around with mclock/cclock settings, but no matter what I do set there - the system freezes short time after start of the miner. This also happens with the stock parameters. Any Idea what I am doing wrong?
(I disabled those settings to create the screenshot)
-cclock 1266
-mclock 2000
hmm.. so may i ask how come gpu-z suddenly shows temp. unlike before?
i have also same problem... also my miner used to show temps and fan speed but now after i tinkered with dirivers its gone..
I had to attach the monitor to the RX480 GPU. Before I had it attached to the onboad GPU. My ASRock H81 does not start without attached monitor if the primary Display (in Mainboard BIOS) is set to "PCI Express"). So normally I set this to "Onboard" to run the rig without Monitor. But this leads to the fact that I do not get numbers...
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November 14, 2016, 03:17:04 PM
 #936

What hash rate you got with rx 480 8GB reference mining zcash with claymore v5? I'm about to buy a used one!
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November 14, 2016, 03:29:49 PM
 #937

What hash rate you got with rx 480 8GB reference mining zcash with claymore v5? I'm about to buy a used one!

About 120 h/s.
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November 14, 2016, 09:06:04 PM
Last edit: November 14, 2016, 10:53:08 PM by Walrusbonzo
 #938

Eliovp, or anyone else.

Are the voltage offsets a twos complement/signed number? I.E. is FF  = -1? And so FE = -2, FD = -3 etc?

i'm looking to add a negative voltage offset to the BIOS of my cards and just need to know this before I accidentally give it extra voltage.

EDIT: Looks like it is, assuming the offset is done the same on RX480 as 290x Smiley
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November 15, 2016, 01:36:52 PM
Last edit: November 15, 2016, 01:52:59 PM by jenia1
 #939

just god my 2nd sapphire rx 480 8gb ref, flashed it with the Eliovp 32 MH/s rom and guess what. again same problem as with the previous card. curently running 4x xfx RS and 2 x the sapphire ref cards any ideas of the reason?

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November 15, 2016, 04:55:48 PM
 #940

Hi, can some help me mod my cards to get 29-30 mh/s, i have asus rx 480 8gb strix.

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