RX580 Asus ROG strix - fan speed

[fruhy]

Hello, I have AMD Radeon RX580 Asus ROG Strix. I use this card with 3x 2560x1440 Dell monitors. And I have a problem with fan speed. This card have "passive mod". But this mod works very bad with 3 monitors... because fan start at 53°C, but my minimal temp is 50°C... So every 2 minutes fan start... My plan was re-flash bios with minimal fan speed (%) 40%. This solution works in Windows 10. But not in Mac OS Mojave... Why? If I write this code to terminal "
while sleep 1; do clear;ioreg -l |grep \"PerformanceStatistics\" | cut -d '{' -f 2 | tr '|' ',' | tr -d '}' | tr ',' '\n'|grep 'Temp\|Fan\|Clock'; done "

Terminal tell me "fan speed (%) 0%". Why? How is this possible? Mac OS ignoring bios information? I don't know how I fix this problem. Because it is only Mac OS problem... Somebody have any idea how to fix it?

Thanks.

I have Mac Pro 5.1

 

[h9826790]

Did you try Fuzzy fan mode 0?

 

[fruhy]

No, where I find it? Which software use to change this label?

 

[h9826790]

No, where I find it? Which software use to change this label?

Did you mod the VBIOS by yourself? It’s in there.

 

[fruhy]

By “myself” I only change minimal fan speed to 40% after 15 °C = instantly minimum 40% fan speed

 

[h9826790]

By “myself” I only change minimal fan speed to 40% after 15 °C = instantly minimum 40% fan speed

Bottom right, Fuzzy fan mode, you may try turn the logic to 0 (Off).

 

[h9826790]

Anyway, I found that PBE works better than SRB in general. And you may join the discussion in this thread. It's about the VBIOS for Sapphire PULSE RX580. But I am happy to discuss other RX580's fan mod in there.

https://forums.macrumors.com/thread...-8gb-vbios-study.2133607/page-4#post-26748242

 

[fruhy]

Finally! Really thank you! I change Fan Mode to LUT (Lookup Table) and work absolutely fine!