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Topic: ANTMINER S2 Discussion and Support Thread - page 94. (Read 355842 times)

member
Activity: 64
Merit: 10
One S2 draws about 1000 watts, so 1000w / 115 volts = 8.7 amps.  So yes, a single 15 amp circuit can run one S2, but be careful what else is on that circuit... most household circuits have other outlets on them.

208v is better.  240 is better still.  the closer to 250v, the better, i believe.

member
Activity: 102
Merit: 10
Question guys, one s2 should run fine in a typical 120v 15a outlet, is that correct?
member
Activity: 64
Merit: 10
Am I the only one who's noticed the new PDF on Bitmaintech's website with step-by-step instructions on how to solder capacitors directly to each hashing board....

"Guideline for soldering Capacitors to S2 hash board to fix chip disabling issue"

eek.... happy long weekend to me...
legendary
Activity: 1540
Merit: 1001
Those that received the recent units. Has the quality of these improved? 

Mine arrived intact.

Power cord is wrong one.

Power supply is still under powered.

It's far from quiet, as it's advertised.

I have a few Xs on one of my chains.

Avg hash rate dropped to 930gh/s before I swapped in a 1300w PSU.  Now it's about 950gh/s, I'm hoping it'll increase as time goes on.

But it uses less power than 5 OCd S1s.

M
legendary
Activity: 3234
Merit: 1220
Those that received the recent units. Has the quality of these improved? 

They have changed the way the cards are secured in the case with metal braces holding them in position.
legendary
Activity: 896
Merit: 1006
First 100% Liquid Stablecoin Backed by Gold
Those that received the recent units. Has the quality of these improved? 
legendary
Activity: 2128
Merit: 1005
ASIC Wannabe
Holy cow! That's freaking loud!
+1

mine seems about as loud as 3 antminer S1 units, but the 140mm fans mean its a slightly lower pitch, more of a loud 'whoosh' noise from the air as mentioned above.
legendary
Activity: 2968
Merit: 1198
Can we move the coupon discussion to one of the two available forums (one for free coupons, one for those who wants to sell)?

Re S2, can someone post about how noisy they are (preferably in db, but also in relative terms as well) to evaluate possible location for units?
Same room, basement, garage, another building.  Wink


Readings in db from two units running in a garage were ~70db at a distance of ~18" and ~68db at a distance of ~3m.

How fast are your fans running? Mine run at about 1900-2100 and it is nowhere near that loud. Maybe your ambient is higher?


legendary
Activity: 3234
Merit: 1220
Holy cow! That's freaking loud!

68-70dB is Busy traffic, phone ringtone type loud.

I found, because the are 140mm fans the sound is quite low pitched. But the sound of air moving at 100cfm is going to make some noise no matter what you do.
sr. member
Activity: 448
Merit: 250
Holy cow! That's freaking loud!
legendary
Activity: 3892
Merit: 4331
Can we move the coupon discussion to one of the two available forums (one for free coupons, one for those who wants to sell)?

Re S2, can someone post about how noisy they are (preferably in db, but also in relative terms as well) to evaluate possible location for units?
Same room, basement, garage, another building.  Wink


Readings in db from two units running in a garage were ~70db at a distance of ~18" and ~68db at a distance of ~3m.

Great, thanks, much appreciated.
legendary
Activity: 1512
Merit: 1000
Can we move the coupon discussion to one of the two available forums (one for free coupons, one for those who wants to sell)?

Re S2, can someone post about how noisy they are (preferably in db, but also in relative terms as well) to evaluate possible location for units?
Same room, basement, garage, another building.  Wink


Readings in db from two units running in a garage were ~70db at a distance of ~18" and ~68db at a distance of ~3m.
full member
Activity: 238
Merit: 100
Kia ora!
Can we move the coupon discussion to one of the two available forums (one for free coupons, one for those who wants to sell)?

Re S2, can someone post about how noisy they are (preferably in db, but also in relative terms as well) to evaluate possible location for units?
Same room, basement, garage, another building.  Wink


Probably just needs someone to start a thread on it.

Edit: Oh I see what you mean, there already is a forum for this, my apologies.

I have one S2 coupon to give away. Msg in here if you want it - with your bitmaintech id, first one gets it for free.

1wxBGLtgwzUsc8G31KqyCVB6EKYbM5tth if you feel like donating, but not mandatory.

This one has been taken - just awaiting them to send me their ID.
legendary
Activity: 3892
Merit: 4331
Can we move the coupon discussion to one of the two available forums (one for free coupons, one for those who wants to sell)?

Re S2, can someone post about how noisy they are (preferably in db, but also in relative terms as well) to evaluate possible location for units?
Same room, basement, garage, another building.  Wink
full member
Activity: 238
Merit: 100
Kia ora!
I have one S2 coupon to give away. Msg in here if you want it - with your bitmaintech id, first one gets it for free.

1wxBGLtgwzUsc8G31KqyCVB6EKYbM5tth if you feel like donating, but not mandatory.
legendary
Activity: 2324
Merit: 1039
################################################################
21 x s1 coupons for free
################################################################

################################################################
21 x s2 coupons for free
################################################################

To claim coupon please go to https://spend-co.in and click banner on main page


newbie
Activity: 79
Merit: 0
I have 2x  AntMiner S2 Coupon I can trade   I need 1x  S1 coupon.   
My ID is spodo
Thanks
legendary
Activity: 4326
Merit: 8899
'The right to privacy matters'
Hmm: http://bitsolo.net/pool-stats/

Quote
Found Blocks
None. Currently, no one on Bitsolo has found a Bitcoin block ...

The pool is merge mining NMC coins and has currently found 1 NMC block

Agreed, I don't trust that solo mining pool. It would be VERY easy for the pool operator to simply keep any blocks that are found without paying out anything.

If you don't trust that site, there's also this one:

https://solopool.net/login.php

At least there's a registration process.  Not everything you see is a scam, fellas!   Smiley

Neither pool has found a block, which makes sense, because most of the users are pointing U2s or block erupters at it.  A few TH/s is not going to find a block anytime soon.

I agree that the pools could be legit, but without knowing anything about the pool operator it is impossible to make an informed decision about whether or not the pool is trustworthy.

There have been many situations in the past where pool operators stole pool funds and disappeared. Since solo mining is not likely to produce any blocks unless you are running some serious horsepower, it would be very easy for pool ops to steal solved blocks.

If there was an independent way to audit the pool, I would not have an issue with it.
  I contacted the pool's contact us page.  Told him I pointed 2 s-1s at it.

he has not replied to me as of yet.

2 s-1's at todays difficulty are 1100 to 1 to win a block.  usd value is more then 11k.  very tempting for a guy to create a pool then grab the coins.

I would set one of these up fee would be 1 coin if you win a solo block,  but setting one up is beyond my skill set.
hero member
Activity: 728
Merit: 500
You can use your bitcoin wallet to set it up as a node and solo mine. Do some searching Im sure theres a guide here.
sr. member
Activity: 453
Merit: 250
dfgfdgfdg
BitMain now allows transferring AntMiner S1 and S2 coupons to other customers for their use.

I have 15 S1 0.05 BTC coupons and 30 S2 $400 coupons available.

I'll sell the 0.05 BTC S1 coupons for 0.02 BTC each or five for 0.075 BTC or all 15 for 0.15 BTC.

I'll sell the $400 S2 coupons for 0.2 BTC each or five for 0.9 BTC or all 30 for 4.5 BTC.

PM me.



https://www.dropbox.com/s/abcuattnzmfboxg/BitMain_coupons.gif
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