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Author Topic: [UPDATE] RX480 (Ref) 31+Mh, Custom Rom - VDDC OFFSET + Custom timing  (Read 229895 times)
melsell1
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September 13, 2016, 05:10:12 AM
 #481

i get 29,7mhs eth and 327mhs sia, gpu-z showing 96w. -dcri 22. sapphire rx 480 nitro+ OC. with new drivers 16.9.1 you can adjust power limit in MSI AB... using win10..
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Eliovp
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September 13, 2016, 05:28:14 AM
 #482

i get 29,7mhs eth and 327mhs sia, gpu-z showing 96w. -dcri 22. sapphire rx 480 nitro+ OC. with new drivers 16.9.1 you can adjust power limit in MSI AB... using win10..
claymore dualminer 6.4

Mm, i tried them, from the moment i started mining with my lowered rom that i'm using now the system froze, even after i raised the voltage a bit it still froze, only after raising it with almost 62mV it stayed stable.. so i quickly reverted back to 16.8.

Although, have to say, i tested on a win7 machine, i'm not sure, but it could be so that on win10 those drivers perform better. I'll definitely need to check that out!

Thx!

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September 13, 2016, 05:35:21 AM
 #483

Thanks again Heliox
now i am using your low power rom, i replaced main parameters in my original roms with your settings and left other (like subvendor ID and .. ) unchanged also i left memory at 8 gb.
now my cards (3 asus and 3 gigabyte) hash around 30.5,  work around 70-80 C at 65% fan speed , gpuz shows between 90-100 watt.
other parts
asrock h81 btc
16 gb ram
g 3220
1200 oc power

whole system drawn out 1150 at wall , i think i have should missed something because other report better power consumption.
also wattman doesn't accept changes for power limit and or core freq.

I appropriate any help

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Eliovp
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September 13, 2016, 09:00:11 AM
 #484

Thanks again Heliox
now i am using your low power rom, i replaced main parameters in my original roms with your settings and left other (like subvendor ID and .. ) unchanged also i left memory at 8 gb.
now my cards (3 asus and 3 gigabyte) hash around 30.5,  work around 70-80 C at 65% fan speed , gpuz shows between 90-100 watt.
other parts
asrock h81 btc
16 gb ram
g 3220
1200 oc power

whole system drawn out 1150 at wall , i think i have should missed something because other report better power consumption.
also wattman doesn't accept changes for power limit and or core freq.

I appropriate any help

Sure thing and you're very welcome.

Try latest drivers, heard that they aren't that bad when on Windows 10 (i cannot confirm this "yet" though..)

Greetings

AzzAz
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September 13, 2016, 09:41:38 AM
Last edit: September 13, 2016, 09:55:19 AM by AzzAz
 #485

Thanks again Heliox
now i am using your low power rom, i replaced main parameters in my original roms with your settings and left other (like subvendor ID and .. ) unchanged also i left memory at 8 gb.
now my cards (3 asus and 3 gigabyte) hash around 30.5,  work around 70-80 C at 65% fan speed , gpuz shows between 90-100 watt.
other parts
asrock h81 btc
16 gb ram
g 3220
1200 oc power

whole system drawn out 1150 at wall , i think i have should missed something because other report better power consumption.
also wattman doesn't accept changes for power limit and or core freq.

I appropriate any help
You are pretty ok, gpu-z is unreliable. i.e. Testing my 470 OC STRIX: ATM: gpu-z: 85W. Killawatt: 150W ( 180W-system 30W )
To add: Almost same as my 480 OC STRIX... with 25% more hash. Only 470 produces significantly less heat.
Yet to measure 480 reff with Elio's 29lowEn. rom ( working as a charm on 5 cards ) - everything 16.9.1 Win 10 ( also "as a charm" ).
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September 13, 2016, 10:31:20 AM
 #486

I have found these:
480LowEnergyOK.rom
RX480-30MhOTBLowEnergy.rom
RX480-31.8HighPower.rom
RX480Mod.rom

Am i using the correct one for low power 480LowEnergyOK.rom? Can you tell me hashrate & gpu-z watt of the other?
From my measurements 480LowEnergyOK.rom should be called 480_29mhash_85watt.rom
I have not yet tested for hours so is this the correct rom for low power?
RX480-30MhOTBLowEnergy.rom gives me 30.6Mhs rock solid 24/7 on my ten 480 8Gb cards.
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September 13, 2016, 10:34:29 AM
Last edit: September 13, 2016, 12:09:37 PM by Cryptozillah
 #487

Just got a couple of "cheap" 470 4Gb reference cards up.
Kicking myself a bit for buying 480s actually.
28+Mhs on custom roms.

Cards used: Sapphire Radeon RX 470 4Gb Reference
http://www.sapphiretech.com/productdetial.asp?pid=0582294D-5A90-4EF0-B5E1-5EDC1C3ACBE1&lang=eng

Rom used: http://www.megafileupload.com/k2gu/470_4gb_sapphire_modded_bios.rom

Mem overclocked to 2000Mhz = ~28+Mhs

Sorry for offtopic but this info can be handy fot the ones that cant descide if they want to buy 470s or 480s.
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September 13, 2016, 01:08:35 PM
 #488

Can someone edit first post and put all links there? It's hard to find it in 25+ pages :[
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September 13, 2016, 01:28:44 PM
 #489

Can someone edit first post and put all links there? It's hard to find it in 25+ pages :[
+1
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September 13, 2016, 01:58:59 PM
 #490

24+ hours running steady at 29.1 gpu 0 and 28.9 gpu 1. XFX 480 reference. 75 C on each cards with fans at about 60%.

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akaloith
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September 13, 2016, 02:07:51 PM
 #491

using 480LowEnergyOK.rom with 16.9.1 and CDM 7.0 mining at ethpool.org, running approx 2 days now - very stable holding 29MHs per GPU.

This 16.9.1 seems to be the life saver....

Your cards (I think you have Sapphires) held it well even with previous drivers. I'm trying to understand what causes the drop in hashrate of my XFX.

This is why I asked akaloith about stability of hashing



yes its steady for 10 hours. i tweaked the fan and the temperatures and now get a 72 C at 2500rpm. I have gigabyte reference but i believe all are same. maybe bad asic quality? check it on gpu-z. mine is 75% (not so good)
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September 13, 2016, 05:42:44 PM
 #492

RX480-31.8HighPower.rom         125w   31.5mh
RX480-30MhOTBLowEnergy.rom  100w   30.5mh
480LowEnergyOK.rom               85w     29mh
RX480Mod.rom                        105w    28mh

the 480LowEnergyOK.rom is the most efficient
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September 13, 2016, 05:52:49 PM
 #493

RX480-31.8HighPower.rom         125w   31.5mh
RX480-30MhOTBLowEnergy.rom  100w   30.5mh
480LowEnergyOK.rom               85w     29mh
RX480Mod.rom                        105w    28mh

the 480LowEnergyOK.rom is the most efficient

Obviously you have all these roms - could you please upload them somewhere and share the links with us?

Thank you!
akaloith
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September 13, 2016, 06:15:03 PM
 #494

all the rom links are in authors Eliovp last posts
https://bitcointalk.org/index.php?action=profile;u=236770;sa=showPosts
of course i dont have the right to reupload others work
Eliovp
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Huh?


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September 13, 2016, 06:16:19 PM
 #495

Check the opening post, bottom..

akaloith
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September 13, 2016, 06:21:52 PM
 #496

Hey guys.

I've also been playing around a bit to find an optimal setting Hash/watt.

This is where i am so far.

http://www.mininghwcomparison.com/29-8avg65gpuz.PNG


Will probably get it better though :p

Eliovp what about this? not stable? any rom for the above?
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September 13, 2016, 07:47:49 PM
 #497

RX480-31.8HighPower.rom         125w   31.5mh
RX480-30MhOTBLowEnergy.rom  100w   30.5mh
480LowEnergyOK.rom               85w     29mh
RX480Mod.rom                        105w    28mh

the 480LowEnergyOK.rom is the most efficient

That is what GPU-z says, but not real power...
akaloith
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September 13, 2016, 08:00:24 PM
 #498

RX480-31.8HighPower.rom         125w   31.5mh
RX480-30MhOTBLowEnergy.rom  100w   30.5mh
480LowEnergyOK.rom               85w     29mh
RX480Mod.rom                        105w    28mh

the 480LowEnergyOK.rom is the most efficient

That is what GPU-z says, but not real power...

of course real power is more. just something to compare. i saw my plug on the wall and could also see the raises in watt. from 320 it even reached 400. its better than nothing. dont like it? dont see it Tongue
my power meter on the wall confirmed that the lowest power usage come from 480LowEnergyOK.rom while maintaining 29mhash
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September 13, 2016, 08:30:22 PM
 #499

Check the opening post, bottom..

Appreciate it

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September 14, 2016, 02:41:18 AM
 #500

Are there any ROMs for the Sapphire Nitro+ 4GB RX 480? I tried the 480LowEnergyOK.rom and I get the error 'UVD not responding, trying to reset the VCPU!!!'

Luckily there is a VBIOS switch I can flip Smiley

EDIT: Also, any 4GB ROMs for the MSI RX 480?
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