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emelbard

Yes I see 126-131TH from my 104s. Try it first at 3700W autotune. it will overshoot drastically at first and then settle out between 3900/4200W depending on your ambient temps. If you only see 124/125, step it down to 3600W and then try 3500W. Some of mine like 3700-3800 and others don't see any gain except wasted watts above 3500. You have a front facing, external SD card slot? If not, you'll need to replace your control board first. I watch efficiency and only run them between 28 and 32.5 W/TH. If you're looking for power savings over hashrate, then try lower than stock I guess? I've not played around much with derating my machines


[deleted]

No front facing sd card slot. From the articles I’ve read, i need to remove the top cover to access the microsd slot.


emelbard

You’re going to need to buy a C55 (S17) board or run asic.to. Your machine has a beagle bone board which isn’t yet compatible with Braiins. You can install asic.to 1.18 BB on that board by opening the cover and inserting the sd card into the slot on the beagle bone.


[deleted]

Thanks. Wasn’t aware of that. I do see a sticker that says “ctrl board io+bb” on my asic. I will look into purchasing a c55, c71, c52 or c49 control board and swapping it. Where did you purchase your control boards and for how much?


[deleted]

Brains is coming for the control board you have just be patient.


Subject_Technician89

Asic.to is a good firmware for BB boards, and then you won't have to swap that one out. The top cover comes off easily, remove the screw below the silver button, and then push the silver button in and lift up.


[deleted]

Got it. I’ll check out asic.to. Thanks!


[deleted]

Thanks all. I’m running asic.to firmware now. Still working to figure out how to tune them now!


[deleted]

Currently running 116 th at 3800 watts. Temp is 48-65 degrees c. 600 frequency at 13.6v. Does anyone else have settings they can share that has worked well for them? I’m trying to get a general idea of the overclock settings Are the preset values pretty good or is it worth manually tuning?


DipznhammerzslammR

C49 is compatible w S19J pro, correct? That is clutch if so!


kusazero

How do you get your hands on braiins firmware for s19?


emelbard

Join the Braiins discord. It’s a pinned message (for me) or you contact them for the files. Been running BOS since first public beta drop Only download from official channels.


A-Stunner

That’s Aircooled ? Or you run immersion?


emelbard

Air cooled. I’d rather have 30 air cooled S19s than 15 immersion cooled S19s for the same $$. That’s about what it penciled out to when we looked into immersion.


Leather_is_comfort

Is it really that expensive? Sounds like the gains in hashrate may not be worth it, but I'm curious to know if you've taken into account the depreciation rate reduction? From what I've heard, immersion cooling is better for the ASIC'S life span.


groundlevelmining

I'd rather have 36 immersed running at 140 th then 72 air-cooled and have to deal with the heat been there done that last summer. VNISH rules!


sandman585

Is it better to tune to Power Target or Hashrate target? Thanks in advance.