Quote from: darman on June 07, 2019, 11:15:46 PM

Quote from: pigfrown on June 04, 2019, 06:49:04 PM

Been testing Lexa RX550's (2gb elipida) with this tool. (To get them running with amdmemtweak linux cli version you need to add

Code:

(dev->device_id == 0x699f) || // Lexa [Radeon RX550]

to IsRelevantDeviceID.

Starting hashrate was approx 529H/S with TRM 1930 MEM, 1130 CORE.

I lowered RFC to 82 (crashes at 80), and messed around with raising REF. Running at RFC 82 REF 50 gives around 545H/S.. which is a nice increase.

Cards also seemed stable at REF 100, and this got around 549H/S. How high can REF go? Well turns out no higher than 150 with my cards at least.

Seems like there is even more room for improvement with these cards... I will continue to experiment. I noticed someone selling a BIOS mod that claims 650H/S on these cards, so that seems like a nice target (if it really exists). Am I correct in saying that REF can't be changed with a BIOS mod? so this 650H/S bios mod (if real) must have gotten the increase without using REF?

Thanks for the tool, hopefully will report back with better hashrate increases for these cards.

Hi. Thanks for info on Lexas.
I have 2 Lexa RX550 together with 4 Baffin cards but I have no clue what parameters to use on amdmemorytweak/Teamredminer on linux.
Same for a RX480s rig/Claymore on linux. No idea about parameters neither.
I am only using the tool with 3 Vegas I have and it runs stable/Teamredminer again on linux. A lot of options and recommendations for Vegas on this thread but nothing real clear for 550s or 480s and I follow the thread for quite a bit of time.
Can please somebody give me some settings recommendations to get me started?
Help appreciated
Thanks
darman

There are good instructions for Lexa 550's in CN_GENERAL_TUNING that comes with teamredminer... but with the latest version of TRM it autodetects the best setting (L4+3), at least with my cards.

With the latest TRM and decent straps (PolarisBiosEditor/SRBPolaris) for elpida you should get 530h/s. Boost REF to 20 and you'll get 545. Core 1100, Mem 1950

Quote from: ivcelmik on June 05, 2019, 01:20:11 PM

Hi,

On Ubuntu how can I overclock mems for a Rx580 8Gb?

Thx in advance

https://wiki.archlinux.org/index.php/AMDGPU#Overclocking

You can also use a tool like OhGodATool.. the original was taken off github but forks of it still exist.