how to undervolt r9 290 ? 250w way too much

[talboris2]

hi
i have found some links with other bios for 290

but its doesn't explainable..
so i looking for ways to undervolt it

i have heard some folks get 25m/h on 90w

do you know any?

[Sidtamfia]

You can use the MSI afterburner to undervolt it up to -100mV.

[antantti]

And lower your clocks. Lower clock = lower dpm state = lover voltage. No way you can do 25MH with 90w only, 150-170w should be doable without bios mods.

9**/1000 -100mV should get you there.

edit: trixx lets you downvolt -200mV

[talboris2]

And lower your clocks. Lower clock = lower dpm state = lover voltage. No way you can do 25MH with 90w only, 150-170w should be doable without bios mods.

9**/1000 -100mV should get you there.

edit: trixx lets you downvolt -200mV

so do i need to overclock ? or just undervolt?

found this link..
folks say there is special Stilt bios, but idk which one to choose...

https://forum.ethereum.org/discussion/9479/ideal-r9-290-settings

[antantti]

You need to underclock AND undervolt.

Bios flashing is that next step, first learn to use windows software (ab, trixx).

VBIOS mod does too, it's not hard.

True haha!

[wilkas]

Should RX4xx cards be also undervolted, not only underclocked?

[wilkas]

Should RX4xx cards be also undervolted, not only underclocked?

Yes, but they're a bit harder to properly undervolt.

Can you give a link or a lead how to find one for RX480?

[talboris2]

You need to underclock AND undervolt.

Bios flashing is that next step, first learn to use windows software (ab, strixx).

VBIOS mod does too, it's not hard.

True haha!

i can learn fast, no problem, just if you could guide me a bit

do i need to flash ? ppl talk about this stlit vrom, with shedded ROPs...
thats why card running cooler and less wat, but how do i know what VROM to choose?

https://drive.google.com/drive/folders/0B2XVfIhkHZlfQnA2d3ByWGM0R3c

guys, plz help me, i cannot afford 250watt...i dont have enough electricity at home..
and i can donate or..i can give you awesome tool to know about entry i exit points on any coin

[talboris2]

hmm.. why it would insult? i am asking for help and looking for it, and ready to see alternatives way to find an info, an you have donation info on signature, and found cool method for buying or selling, but here miners mostly, so not many ppl need it for trading..

i ment that i can also help if needed

[bardacuda]

What you want can be found here:

https://drive.google.com/drive/folders/0B2XVfIhkHZlfMllHSHp5RmFvYlU

The explanation for what is what you can read about here:

https://archive.litecointalk.org/index.php?topic=12830.msg121827#msg121827

Apparently it only works for reference cards.

[bardacuda]

Those work great if you just want to undervolt...but I assume the 'ROP shredding' is not so straightforward.

[talboris2]

reference cards are those without x? (r9 290)

i found this link with bioses in ether forum,  some ppl said its stilt and with shreded RoPs

so its not?

[antantti]

Biggest problem here is this:

i have heard some folks get 25m/h on 90w

It just cannot be done, shedded or not. Must be gpuz or some other software "watts".

[bardacuda]

This dude doesn't even know how to ID a reference Hawaii card - let alone how to do a proper mod. I think someone is gonna have to make it for him.

lol

@talboris2

Try actually reading the post in that link. Literally the first sentence.

[talboris2]

This dude doesn't even know how to ID a reference Hawaii card - let alone how to do a proper mod. I think someone is gonna have to make it for him.

thats why this dude asking for help,  and dude can learn if guided..
why would you attack me for not knowing something?  i learned everything from scratch,  to build a rig and to how to trade,  and looking forward to learn more..

[antantti]

More (almost 400 hundred pages) resources:

http://www.overclock.net/t/1561372/hawaii-bios-editing-290-290x-295x2-390-390x