Topic: Antminer D3 max temp (Read 4893 times)

i know its an old thread and d3 profit is $1.6 at constant exchange flow, but i can not find the information regarding chip temp. some people stating that over 70 is not good, other opinion goes with 80 as normal temp since chips are targeted for heavy duty usage. using custom firmware to reduce fan speed since 3Ghs difference is not worth the electric expenses. could somebody share specs fror chip manufacturers? couldn't find anything useful on texas indstrs

Thank you guys! You have been so helpful!

I just got mine yesterday and the chip was running up to 81. So now that I lowed the frequency to 487 the HWs have gone WAY down and the temp is under 80 now. And now it is showing all circles instead of mostly X's on the first chip.

Hash rate went up to 17.7 too. I live in Florida but I'm keeping it in the house. I have a floor fan blowing in the room it's in too. When summer comes i'll have to keep a close eye but I think most of the heat is coming from the unit itself.

Thanks again for your help guys. The last poster that showed the response from their customer service was a big help. I'd rather this unit last a long time instead of burning it up!

And yes I do think dash will get up to a grand this year too. This is going to be a good money maker!

take care,

frtiz

Sad... It was good almost a week. I will use blissz firmway now, its already hw anyway (5%)..

You shouldn't stay over 80C, even without HW. Lower the frequency a little so you don't burn your miner too fast.

I would say: try to keep it between +5C and +15C so you don't have to worry about frozen plastic, or miner that won't start because of the cold. Plus it will be perfect to start your seedling earlier in the season !

I got D3 with 19.3 Ghs speed, ambience temp is 16c, and I put the hot air from miner to outside. With default set (19.3 ghs) its temperature has 1 chain 77C and 2 chain 84C with 0% error. I dont know what temperature I got if my AC turn off and I dont dare to try it

Its feel like D3 has better durability OR they just push the chip to push the sales, then stop production to make less risk for them since there are no D3 in hashnest..

Thank you so much for your reply and suggestion
As I couldn't find any similar mention online I just had to try temperature conditions myself
This is how I run ASIC miner in cold conditions
It was -44 to -46C outside these days where I leave. So it was clear I had to start the machine up somehow. It was running indoors for sometime first and then I quickly moved it to the unheated shed with all the cables installed. My concern was that when plastic parts get cold at low temperatures they can be easily broken if bended. It appeared that temperature in the shed was much warmer than outside (some particular property of permafrost soils to keep warm) and after asic was plugged soon temperature started to rise.
After 1 day of running asic temperature in the shed rose to +1C which occurred to be very sweet. Fans were running between 2900-3100 (#1) and 3800-4000 (#2) rpm, Temp(PCB) 43-45C, Temp(Chip) 61-63C
Now temperature in the shed is still slowly rising (about +5C at the moment with -43C outside, no heating, asic is making greenhouse effect and heats environment by itself). Fans are increasing speed day by day, so I am thinking to open one small vent hole () to keep temperature in the shed constantly low.
Still looking for ways to overclock maybe
And perhaps will use produced heat from asic to run small greenhouse in February or March and grow greenies early in the coming year
Happy coming New Year!

Not if DASH goes up to $2000 it won't be useless anymore and with current projections we may be looking at a DASH price of $2k in either June or July and that's being conservative. 

-44C...    I am freezing just thinking about it !

I have read in another thread that cold isn't such a big deal while running, BUT the miner won't start if it was off for some reason. I think the guy just turned his miners so they would blow hot air at each other, to heat them up.
I think in your case, temperature shouldn't be a problem even if over-clocked a little. You might run under-volt if you over-clock too much, but I guess the HW number will tell you if you are good to go or not. In anyway, I wouldn't over-clocked them too much as they are already OC at 537, and it will damage your hardware faster.

But as I live myself in a tropical country, I am certainly not the best to answer your questions. Maybe try to ask on Blissz firmware topic to get "expert" opinion.

I live in Siberia  

Was looking for any information about possible lowest operating temperature for D3. It shows -44C today. Was wondering if I put ASIC outside in the shed without heating would it work? Is there any other limitation to overclock except for temperature?

This D3 is pretty unstable, nothing to compare with L3+ or S9. And it seems that there is different versions of it, not only different frequency setting.

Anyway, Bitmain over-clocked them to 537 frequency which is too high, unless you live in Siberia. You will most likely have a lot of HW, boards showing xxx everyday, and have to reboot your miner pretty often.
From what I have seen, you should try to stay under 80C to avoid trouble, and extend your D3 life. Seems like a general consensus.
You can set your fan manually at 100% if you don't care about the noise, or you can reduce the frequency until you get something stable. I was running good at 506 with auto fan (now running undervolt / silent mode).


You should focus on the Chip temp. BUT some units have defective temp sensor and get unreliable stats, in that case go for the PCB. Again, 95C is too high, might work for a while, but definitely not good for your miner. keep under 80 as much as possible.

Do you see anything on the HW error section? If there are a lot of them, then it's not okay. My chip temperature is around 80 to 90 when factoring in the temperature offset there was. At that temperature, I got some HW errors.

Hi, I am new (sorry) are we talking PCB temp, or chip Temp? . On my D3 , the PCB Temp is about 55-60 degrees and the chip arround 78 -95 depending on the hour of the day . Is this operating temp, ok? Thanks

Now, it is doing weirder stuff. I tried to flash the latest firmware, but even after that, there were other errors. I got rid of the heat problem by running it in my garage at winter time, but the problem is that the chips don't get found. There are supposed to be 60 chips on one hashing board, but for me, it always changes from time to time. Once, it only detected 54, (Not X's on the chip status, the chips were just plain out missing), and once, it detected all 60, but 3 were dead (X). To make matters worse, it got 2000 HW errors in less than a minute! I will be sure contact bitmain about this, but honestly, I don't know......

Great

When one is reporting really high, then really low, and seems to alternate like that, it's not a valid reading.   It's a bug, most of the time you can unplug the miner for a few minutes, plug it back in and the temps are all correct (within a few degrees of each other).   One of mine does this when I change settings sometimes but it always gets fixed with a hard reset (unplug/wait/plug)

wow

I have 1 19.3 D3 i dont want to overclock since its running hot anyway but yours is far too hot surely?

Contact Bitmain and send them logs. they will advise.

Also, when I looked at the kernel log, it said that there was a temperature offset. That was the case with all 3 of my D3's, and the offset value was random as well. Is there a way to fix this?

My D3 is the 19.3GH/s batch, and it is running very hot. Like, VERY, VERY hot. The ambient temperature is not that hot, and it is in my basement. The weird thing is, the PCB temperature is very good (High 50's), but the chip temperature is boiling hot. It is around 80 degrees, and the one of the ASIC boards are always an outcast in terms of the temperature. One time, one ASIC board was 120 degrees, and the rest was on the low 80's. Another time, it was on the 50's, and the rest was on the 80's. What kind of problem would that be? Any help is appreciated.

It's common for example for automotive grade chips to support up to 125C. As someone else said, it depends on the chip. Lots of opinions in this thread, but I wonder what are their sources, definitely not a data sheet This is the only thing I've found in the manual, note that it refers to PCB temp, not the chip:
Note: The D3 miner will stop running when the Temp(PCB) exceeds to 85°C, there will be an error message “Fatal Error: Temperature is too high!” shown in the bottom of kernel log page.

In my case I'll worry if they get close to 90 or if I see more than a few HW errors per hour (the D3 is a useless heater anyway, so why worry?  )