Would you guys buy from 112bit.com?
Yes, juan is bitmain USA. Just curious why people are buying these as they will never ROI unless the price skyrockets or the diff drops?
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Topic: ANTMINER S3+ Discussion and Support Thread - page 366. (Read 710164 times)
Yes, juan is bitmain USA. Just curious why people are buying these as they will never ROI unless the price skyrockets or the diff drops?
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Would you guys buy from 112bit.com?
Yes, juan is bitmain USA. Just curious why people are buying these as they will never ROI unless the price skyrockets or the diff drops?
I imagine most people are in a situation where they're using BTC earned with other smart hardware investments to add GH to their rigs/farms at the lowest possible GH/$ on the new retail market.
Also, if you're not the least bit bullish on BTC you really shouldn't be mining,
Would you guys buy from 112bit.com?
My first 5 S1's came from 112bit.com.
Took my money, shipped fast, and delivered what I paid for.
Goods guys as far as I can tell.
Now I buy directly from Bitmain for less and argue with customs.
Would you guys buy from 112bit.com?
Have purchased a couple of S1's through him. He's legit. Would you guys buy from 112bit.com?
Yes, juan is bitmain USA. Just curious why people are buying these as they will never ROI unless the price skyrockets or the diff drops?
Would you guys buy from 112bit.com?
If this is happening on multiple PSU's and they are not over taxed, look at your power bar. I have had them go bad or turn off like a circuit breaker if there is too much power flowing through them. This is not a typical problem with S3's so I would look at your power from the panel to the PSU's. See if there is a single point of failure.
Good idea... I switched out managed APC PDU's for Tripplite recently, they're rated for 20A and they show only 8A (when 2 Antminer S3's are connected). Could be a couple of bad PDU's in the batch.
You might be overloading the PSU. Overclocking would do it, or if your PSU was barely supporting the S3s through its PCI-ex, you might have that issue.
When that happens the PSU needs to stay disconnected for a bit and then it will start working when connected back to the wall. It is because of a failsafe within the PSU.
When that happens the PSU needs to stay disconnected for a bit and then it will start working when connected back to the wall. It is because of a failsafe within the PSU.
They are non-overclocked, power supplies are higher wattage than needed, Thermaltake 1200s. I think you're on the right track though, I'll double check things.
Over the past days I've had a batch of Antminer S3's mysteriously power off. Power supplies check out fine, they just shut down, no overheating, or circuit issues, just off. In order to wake them up I have to recycle the power supply. It's not isolated to one Antminer or one power supply, but multiple units in different areas, different power, etc. Different pci-e cables, different types of power supplies, doesn't matter.
Ideas?
Ideas?
You might be overloading the PSU. Overclocking would do it, or if your PSU was barely supporting the S3s through its PCI-ex, you might have that issue.
When that happens the PSU needs to stay disconnected for a bit and then it will start working when connected back to the wall. It is because of a failsafe within the PSU.
If this is happening on multiple PSU's and they are not over taxed, look at your power bar. I have had them go bad or turn off like a circuit breaker if there is too much power flowing through them. This is not a typical problem with S3's so I would look at your power from the panel to the PSU's. See if there is a single point of failure.
Over the past days I've had a batch of Antminer S3's mysteriously power off. Power supplies check out fine, they just shut down, no overheating, or circuit issues, just off. In order to wake them up I have to recycle the power supply. It's not isolated to one Antminer or one power supply, but multiple units in different areas, different power, etc. Different pci-e cables, different types of power supplies, doesn't matter.
Ideas?
Ideas?
You might be overloading the PSU. Overclocking would do it, or if your PSU was barely supporting the S3s through its PCI-ex, you might have that issue.
When that happens the PSU needs to stay disconnected for a bit and then it will start working when connected back to the wall. It is because of a failsafe within the PSU.
Over the past days I've had a batch of Antminer S3's mysteriously power off. Power supplies check out fine, they just shut down, no overheating, or circuit issues, just off. In order to wake them up I have to recycle the power supply. It's not isolated to one Antminer or one power supply, but multiple units in different areas, different power, etc. Different pci-e cables, different types of power supplies, doesn't matter.
Ideas?
Ideas?
Bitmain, do you have any intention of processing the refunds you promised? For me that is .44 BTC, a useful amount of coin you are keeping.
here is their btc address. I don't think they should delay your refund.
https://blockchain.info/address/1QB8Ds5KbGYBLQa5RyDQ2sVUeSKWf7qgkZ
I chose to get a coupon and my gear has not shipped. (Aug 2nd) While some may say making the buyer of a batch 4 that used of a coupon wait until aug 2nd is just as bad .
I think not as it is obvious they have more then enough btc to send out the 7.7% refunds.
Maybe it will spike and go to 750 usd and then they will send the btc out to you. say on Aug 2nd the day they ship the batch 4 gear.
Can any Canadians here sell me one?
Hi Jenna,
Yup u know a Canuck will pop up sometime- lol
I should have one to spare after i get my first 2 in about 10 days. You would likely don't want to wait that long and i would have to ship from Ottawa. You might do better if you check with bitcoinware.net (or bitcoinware.ca ) in Toronto... high chance you are in TO too- lol.
For all Canucks, There's also a new re seller in Vancouver called Antminer Canada ( antminer.ca ). Do a google search. There's always someone selling antminer's on kijiji and Craigslist too. I saw an S3 for sale there today. I don't recall if he has it on hand and I think it was Edmonton. Some sell on Canada's Bitcoin forum too.
Ignore discards!
I have followed ck's advice and I am happy
Did you check for too much/not enough thermal paste under the heatsinks?
Also are we 100% sure that the R47 module is the DC/DC module, I seem to remember someone claiming that it was the chip above the R47 that was the DC/DC.
Maybe there's another issue with the DC/DC beside temp. like voltage... idk.
Also are we 100% sure that the R47 module is the DC/DC module, I seem to remember someone claiming that it was the chip above the R47 that was the DC/DC.
Maybe there's another issue with the DC/DC beside temp. like voltage... idk.
R47 is the Inductor...coil... DC buck convertor is small black chip above it... marked Ti 53355DQP ...
The design of DC conversion is looking very "quick & dirty" ...only 3 resistors and 2-3 capacitors ...
Not even close to TI recommendations ...IMHO...
ZiG
EDIT...: Just discovered a bunch of other components on the back of PCB...So maybe it is not a bad design...But still running too hot, IMHO...
How big is this batch 5?
People throwing random speculation numbers of ~2200 a batch.
not random based on this address
https://blockchain.info/address/1QB8Ds5KbGYBLQa5RyDQ2sVUeSKWf7qgkZ
but this may not be the only bitmain address.
and it works out to around 2400 for batch 4. I did not do the math for 1-2-3 or 5
I do agree that bitmaintech may use more then this address
Bitmain, do you have any intention of processing the refunds you promised? For me that is .44 BTC, a useful amount of coin you are keeping.
Can anyone get a db meter and tell me how loud these things are. I currently have knc nov jups that are whisper quiet. I'm planning on unloading the kncs and replacing with more efficient miners (S3 prolly), but have to keep the noise to a minimum.
It depends on mhz, naturally
at 212.5 it is VERY quiet and CONSISTENT (not much acceleration-deceleration)-57db at 1m, 63-64db at fans (my A/C is louder)
at 218.75-it is 62 at one meter (when fans are at ~2-2.2K), dropping to 57db at one meter when fans are at 1.8-1.9K and 64-68dB at fans
One is in my small office, it is tolerable, but mildly annoying at 218.75, but totally OK at 212.5
At 5-10 m distance you don't hear much.
measurement with dB Meter Pro
I wouldn't call them whisper quiet, though
I've gone to GREAT lengths to cool my DC/DC modules but am still having issues getting anything over 430gh.
I never get any ASIC errors at higher frequencies, though 212 will force one of my boards to not be recognized by the controller.
Chip temps are 31 degrees, DC/DC modules are cool to the touch.
I do see 475+ for about 30-45 minutes on one unit but it tapers off below 430 after more than 10 hours.
Using server power supplies and a separate PWS for the fans. (They are 12V 2A each)
I never get any ASIC errors at higher frequencies, though 212 will force one of my boards to not be recognized by the controller.
Chip temps are 31 degrees, DC/DC modules are cool to the touch.
I do see 475+ for about 30-45 minutes on one unit but it tapers off below 430 after more than 10 hours.
Using server power supplies and a separate PWS for the fans. (They are 12V 2A each)
Did you check for too much/not enough thermal paste under the heatsinks?
Also are we 100% sure that the R47 module is the DC/DC module, I seem to remember someone claiming that it was the chip above the R47 that was the DC/DC.
Maybe there's another issue with the DC/DC beside temp. like voltage... idk.
Can anyone get a db meter and tell me how loud these things are. I currently have knc nov jups that are whisper quiet. I'm planning on unloading the kncs and replacing with more efficient miners (S3 prolly), but have to keep the noise to a minimum.
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