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Author Topic: ANTMINER S4 Discussion and Support Thread  (Read 299890 times)
dlowings
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October 19, 2014, 09:32:32 PM
 #941

What is up with the new PSU ship date … I still have a miner down and almost past the point where 10 days mining compensation would not help me … Just trying to get a time frame on when we will get our credit and our PSU … Please tell me that our 10 day mining credit will not come in the form of coupons…

Don't know specific dates but they're being actively shipped. The credit [as I was last told] will be in btc.

Trying to figure out how 1028 s3 coupons will be of any value to me Sad

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October 20, 2014, 12:46:28 AM
 #942

So I was bored and did a little math on my current btc situation regarding the S4:

Bitcoins on hand    13.34
Avg Cost    242.57
Basis    3,236.61
   
Estimated Current Price    385.00
Total Current Value    5,137.06
   
Gain if sold    1,900.44
   
   
Antminer S4 Cost    1,250.00
Less Coupon    (200.00)
    1,050.00
   
Bitcoins at current value    2.73
   
Basis of S4 Unit    661.55
   
   
Estimated BTC Earned 7 months   3.357298701
   
At Estimated Current Price    1,292.56
   
Gain on 1 unit    631.01
   
# of units on hand btc could buy    4.89
   
Profit of units    3,087.15

This seems to make good sense until you factor in shipping. Once that's done, it's practically the same gain as selling coins. Not only that, but a 7 month horizon is probably too long a time for bitcoin risk. Oh well, just thought I'd share.
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October 20, 2014, 04:16:06 AM
 #943

Here's another binary for S4 owners
http://ck.kolivas.org/apps/cgminer/antminer/s4/4.6.1-141018/cgminer

This one works a heck of a lot better on pools that wouldn't work previously, and slightly better on the rest.

I can confirm this.

Take a look at this hash graph with the new binary on a Batch 1 Antminer S4 (not yet replaced PSU).

Thanks ckolivas!


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ImogenV
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October 20, 2014, 11:06:43 AM
 #944

Why hasn't bitmain replied to my e-mail when other people are already receiving their replacement PSUs?

I replied to bitmain (shao) on the 15th Oct regarding the replacement psu.
Today they (shao) emailed me saying he is still waiting for my email regarding the replacement psu.

I took some screenshots of my sent email, and emailed them once again.

Maybe they did not receive your original reply to their email.
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October 20, 2014, 11:31:33 AM
 #945

Hiya,

Anyone know the Ideal Difficulty setting for the S4 on Slush's pool?

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October 20, 2014, 12:23:45 PM
 #946

Here's another binary for S4 owners
http://ck.kolivas.org/apps/cgminer/antminer/s4/4.6.1-141018/cgminer

This one works a heck of a lot better on pools that wouldn't work previously, and slightly better on the rest.

Is this an SSH one or firmware?  I'm guessing ssh into the S4 and replace this file, but I'll let you tell me for sure.

Thanks.
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October 20, 2014, 12:55:49 PM
 #947

Here's another binary for S4 owners
http://ck.kolivas.org/apps/cgminer/antminer/s4/4.6.1-141018/cgminer

This one works a heck of a lot better on pools that wouldn't work previously, and slightly better on the rest.

Is this an SSH one or firmware?  I'm guessing ssh into the S4 and replace this file, but I'll let you tell me for sure.

Thanks.
Binary for installation via ssh only. I don't do firmware.

Primary developer/maintainer for cgminer and ckpool/ckproxy.
ZERO FEE Pooled mining at ckpool.org 1% Fee Solo mining at solo.ckpool.org
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October 20, 2014, 01:17:19 PM
 #948

Hiya,

Anyone know the Ideal Difficulty setting for the S4 on Slush's pool?

2048

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October 20, 2014, 01:33:24 PM
 #949

Here's another binary for S4 owners
http://ck.kolivas.org/apps/cgminer/antminer/s4/4.6.1-141018/cgminer

This one works a heck of a lot better on pools that wouldn't work previously, and slightly better on the rest.

Is this an SSH one or firmware?  I'm guessing ssh into the S4 and replace this file, but I'll let you tell me for sure.

Thanks.
Binary for installation via ssh only. I don't do firmware.
And a damn fine job you did with this for the s4! Both units now humming along perfectly on EMC pool Cheesy
Sent ya 0.1 btc remuneration  Smiley

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October 20, 2014, 02:47:23 PM
 #950

Can someone please tell me how to remove the psu from the casing ? I have removed the rear screws but don't see how to take it out as it seems firmly latched to it.

Want to get my s4 ready when the psu comes.

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dlowings
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October 20, 2014, 03:19:07 PM
 #951

Can someone please tell me how to remove the psu from the casing ? I have removed the rear screws but don't see how to take it out as it seems firmly latched to it.

Want to get my s4 ready when the psu comes.


Remove 4 silver screws…. open S4 unit from top 4 black screws on top… disconnect the 5 PCIe power connectors, 4 from hash boards and 1 from control board.. Slide PSU out from back of unit…

That should do it

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October 20, 2014, 05:15:52 PM
 #952

Mee to have this. Nobody need it. And Bitmain refused to allow me to use this discount for buy S3 or whatever else. Only S4. It's sucks...

From Siberia with love!
Never do any business with Kirill Stepanenko (Volgograd, Russia)
Профессионально занимаюсь развёртыванием ферм (ASIC, GPU, BURST), оборудованием помещений для майнинга.
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October 20, 2014, 05:31:46 PM
 #953

Problem is even with the coupon they are way too expensive.

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bolehvpn
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October 20, 2014, 05:35:23 PM
 #954

Can someone please tell me how to remove the psu from the casing ? I have removed the rear screws but don't see how to take it out as it seems firmly latched to it.

Want to get my s4 ready when the psu comes.


Remove 4 silver screws…. open S4 unit from top 4 black screws on top… disconnect the 5 PCIe power connectors, 4 from hash boards and 1 from control board.. Slide PSU out from back of unit…

That should do it

Oh cool guess I didn't slide it out hard enough

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October 20, 2014, 05:48:08 PM
 #955

Problem is even with the coupon they are way too expensive.

I calculate that you need both $950 price and $587 BTC ($200 higher) to reach breakeven in ~4 mo.
We urgently need 50% difficulty fall like in 2011; the cycle could continue at that point, otherwise almost all home-based miners will NOT order latest and greatest equipment above $500.
However, as ckolivas had noted, home-based miners are just 15% of the network, so nobody would really care if home-based miners would become 5-10% or even less.
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October 20, 2014, 06:34:43 PM
 #956

Problem is even with the coupon they are way too expensive.

I calculate that you need both $950 price and $587 BTC ($200 higher) to reach breakeven in ~4 mo.
We urgently need 50% difficulty fall like in 2011; the cycle could continue at that point, otherwise almost all home-based miners will NOT order latest and greatest equipment above $500.
However, as ckolivas had noted, home-based miners are just 15% of the network, so nobody would really care if home-based miners would become 5-10% or even less.

You have to remember that most manufacturers order chips in 6 or 7 figure quantities, so IF there is going to be a difficulty reduction then it takes time to propagate though - several months sometimes. That reduction / reduction in growth then gets hidden by the constant deployment so you never see the reduction in the first place.

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October 20, 2014, 06:48:58 PM
 #957

Problem is even with the coupon they are way too expensive.

I calculate that you need both $950 price and $587 BTC ($200 higher) to reach breakeven in ~4 mo.
We urgently need 50% difficulty fall like in 2011; the cycle could continue at that point, otherwise almost all home-based miners will NOT order latest and greatest equipment above $500.
However, as ckolivas had noted, home-based miners are just 15% of the network, so nobody would really care if home-based miners would become 5-10% or even less.

You have to remember that most manufacturers order chips in 6 or 7 figure quantities, so IF there is going to be a difficulty reduction then it takes time to propagate though - several months sometimes. That reduction / reduction in growth then gets hidden by the constant deployment so you never see the reduction in the first place.

And here lies the conundrum. Manufacturers ordered chips, hence they are committed to the product, but there is a lack of demand at low BTC prices.
Therefore, the only choice would be for manufacturers to deliver product to themselves into the data center.
However, they will then continue selling all bitcoin they mined to pay for ordered chips, facility, salaries, etc. Such selling would further depress bitcoin-and the viscious cycle continues.
How to get out of a cycle: you tell me, but I see only one possibility: closing down of many manufacturers operations.
Incidentally, how many Q3 mini-Neptunes at 1.5-1.7 TH for $3.5K was KNC able to sell? I bet the number is somewhere between zero and 100-200 (optimistically).
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October 20, 2014, 06:53:44 PM
 #958

Hiya,

Anyone know the Ideal Difficulty setting for the S4 on Slush's pool?

2048

I have my S4 oveclocked to 218.5 freq (that's the highest it will go without turning any o's into x's) so I've set my difficulty on Slush's pool set to 2250.  It still takes about 30 minutes to an hour for the pool website to show the worker as attaining its full speed hashrate > 2TH, but after that it stays consistently above 2.2 TH/s poolside.  Which is nice!  I've had it running like this for almost a week now.

Still not paying out that well, though, as Slush's pool luck has been pretty, um various lately :-)

-dave
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October 20, 2014, 07:26:22 PM
 #959

Problem is even with the coupon they are way too expensive.

I calculate that you need both $950 price and $587 BTC ($200 higher) to reach breakeven in ~4 mo.
We urgently need 50% difficulty fall like in 2011; the cycle could continue at that point, otherwise almost all home-based miners will NOT order latest and greatest equipment above $500.
However, as ckolivas had noted, home-based miners are just 15% of the network, so nobody would really care if home-based miners would become 5-10% or even less.

You have to remember that most manufacturers order chips in 6 or 7 figure quantities, so IF there is going to be a difficulty reduction then it takes time to propagate though - several months sometimes. That reduction / reduction in growth then gets hidden by the constant deployment so you never see the reduction in the first place.

And here lies the conundrum. Manufacturers ordered chips, hence they are committed to the product, but there is a lack of demand at low BTC prices.
Therefore, the only choice would be for manufacturers to deliver poduct to themselves into the data center.
However, they will then continue selling all bitcoin they mined to pay for ordered chips, facility, salaries, etc. Such selling would further depress bitcoin-and the viscious cycle continues.
How to get out of a cycle: you tell me, but I see only one possibility: closing down of many manufacturers operations.
Incidentally, how many Q3 mini-Neptunes at 1.5-1.7 TH for $3.5K was KNC able to sell? I bet the number is somewhere between zero and 100-200 (optimistically).

The only thing for it is a spike in external demand.

Like what happened in May 2013:

  With Cyprus banking crisis, Bitcoin hits record exchange values [...] up nearly 350 percent in the past two months, thanks largely to uncertainty in Europe's banking community.
  http://www.cnet.com/news/bitcoin-hits-record-exchange-values-with-cyprus-banking-crisis/

and again in November 2013:

  The Motley Fool: A Very Bitcoin Thanksgiving - http://www.fool.com/investing/general/2013/11/28/a-very-bitcoin-thanksgiving.aspx
  Bitcoin price quadruples after Fed Chairman's supportive words (the "Bernanke bump") followed by a very positive congressional hearing on virtual currencies
 
The network difficulty increases have been amazingly flat lately.  Now if the price would just do a 4 or 5 banger, I'd be a very happy miner investor.

I too take ckolivas's view very seriously -- and have decided to convert some mining hardware back into bitcoins asap.  The btc price has taken a long slow dive this year, from last Thanksgiving's dizzying height's, and I do think the coin of the realm is now positioned to yield a lot more ROI than the machinery that digs them up out of the the dark depths of the mathematical coal mines...

thanks,

-dave

And thanks, Slush for your Facebook Cover Photo, that I see in my head now every time I think of "Bitcoin Miners"



Don't you just love these guys, and want to be them, with their hard work all over their dirty faces, and then want them to become just rich as hell?


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October 20, 2014, 07:45:10 PM
 #960

Thank you so much for the time you've invested to make the S4 more funtional, ckolivas. I'm going to send you a donation tomorrow morning.

I'd like to try ck's new version tomorrow, but I have no idea how to go about updating cgminer. Can anyone shed some light, or point me towards a guide?
Assuming your S4's IP address was say 192.168.1.99:

Code:
ssh -l root 192.168.1.99 (or equivalent with putty)
wget http://ck.kolivas.org/apps/cgminer/antminer/s4/4.6.1-141018/cgminer
mv /usr/bin/cgminer /usr/bin/cgminer.bak
chmod +x cgminer
mv cgminer /usr/bin/cgminer
/etc/init.d/cgminer.sh restart

I think that might not keep across a power cycle though.

You were right, the changes don't stick across a power cycle. Is there any way to make them permanent?
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