[UPDATE] RX480 (Ref) 31+Mh, Custom Rom - VDDC OFFSET + Custom timing

[thefire2009]

OK!

With some finetuning Vbios
Dualmining
ETH 28-+ mhs (some 28.7mhs)
DCR 430-+Mhs

Eth mining only 28.6Mhs (some 29mh)

testing for wakened

i will reported on Monday if something go on fire  

[buitanthanh1979]

sapphire rx 480 nitro+ OC
is not suitable for dual mining?
eth mining 27.5mh
dual mining eth hash rate drop to 24mh

it is normal or just, vbios not configured correctly for dualmining?

Do the same for your card
https://www.youtube.com/watch?v=OP_zSP2H6ho

No go
its only slower

send me your original bios file, I will edit it your or see https://forum.ethereum.org/discussion/9650/sapphire-rx-480-nitro-oc-8gb-11260-01-20g-modded-bios-29-mh-downvolt

claymore miner last version 7.4 i think it is... eth only 27.6mh
eth+dcr 22-24mh on eth ?!?!?!?!?!
but one think.... this is only test pc with core 2 duo, 6gb ddr2 and pcie 2.0 runing ubuntu 16 700W psu
its possible to "my" vbios settings, it wil mine just fine on asrock btc pro 16gb ddr3 ??

how to send you a file?

sapphire rx 480 nitro rom mod. you can check out
http://img-cdn.filefactory.com/embed/xl/2luvi4v9bvq7.png
http://www.filefactory.com/file/3x12u44raygr/sapphire_rx%20480%20nitro.rom

My MSI rx480 4gb

eth 30mhs
sc 450mhs

set -ethi 12

[rednoW]

My MSI rx480 4gb

eth 30mhs
sc 450mhs

set -ethi 12

Sure not stable. Or high speed in miner but less shares due to memory errors.

[Walrusbonzo]

My Sapphire RX480 Nitro+ cards should be here tomorrow. Wish me luck modding the BIOS

[beks1]

My sapphire Rx 470 4GB Nitro have elpida memory, and I have problem with polaris bios editor.


http://www.oldschool-samp.com/slike/images/pbe.png


Any help? I can’t change strap

[Eliovp]

My sapphire Rx 470 4GB Nitro have elpida memory, and I have problem with polaris bios editor.

Any help? I can’t change strap

Good thing

And it's not because it's Elpida, it has another reason.

[beks1]

another reason?

[rednoW]

another reason?

2 sets of timings and Polaris Bios Editor don't like it )) Only going hex now ))

[Eliovp]

another reason?

2 sets of timings and Polaris Bios Editor don't like it )) Only going hex now ))

Congrats

Again, Me like it very much!

[beks1]

another reason?

2 sets of timings and Polaris Bios Editor don't like it )) Only going hex now ))

Congrats

Again, Me like it very much!

how to make a checksum?
http://dodaj.rs/photos/20161001147533334312760.png
In Hxd Edit strap, but how to make cheksum

[beks1]

http://dodaj.rs/photos/20161001147533401350132.png

red is hynix strap
green is elpida.

yellow as memory timings
strap 1500 to 1625, 1750 and 2000, but I can not make checksum in polaris bios editor 1.4

[Eliovp]

You have to manually fix checksum. Yey! Another win!

[beks1]

You have to manually fix checksum. Yey! Another win!

hehhe how manuel please help 

[rednoW]

another reason?

2 sets of timings and Polaris Bios Editor don't like it )) Only going hex now ))

Congrats

Again, Me like it very much!

yup! You gonna gotta rich become very ))

[Eliovp]

another reason?

2 sets of timings and Polaris Bios Editor don't like it )) Only going hex now ))

Congrats

Again, Me like it very much!

yup! You gonna gotta rich become very ))

Me already am!

[36524s]

Do you guys know why one of my flashed Sapphire 480x nitros always ends up with a hashrate of 18 while all my others have 29 ?

[superresistant]

Do you guys know why one of my flashed Sapphire 480x nitros always ends up with a hashrate of 18 while all my others have 29 ?

It's maybe broken.
Did you restart ?

[crazyearner]

Anyone have configuration for the msi 480 version or the bios on here listed on OP are good for all or just reference? Seen the sapphire been uploaded by a member nice one for that will no doubt use for the sapphire if I get one debating to go MSI or Sapphire cant decide anyone want to decide for me.

MSI 480?
Sapphire nitro 480?

[mewhoyou]

What does

set -ethi 12

command do?

[buitanthanh1979]

Anyone have configuration for the msi 480 version or the bios on here listed on OP are good for all or just reference? Seen the sapphire been uploaded by a member nice one for that will no doubt use for the sapphire if I get one debating to go MSI or Sapphire cant decide anyone want to decide for me.

MSI 480?
Sapphire nitro 480?

MSI 480 4GB Mod Bios hashrates
https://bitcointalk.org/index.php?topic=1631483.0