ANTMINER S3+ Discussion and Support Thread

[Moria843]

Are these still a good idea to buy? Mining is bleak with the difficulty rises and the lack of price gain.

THat is a personal question i would say yes you can still break even and make a small profit on these By first of next yr. But you do come into the issue of how much you pay for power. Do you have aqueduct cooling in your home. If you well and my opinion your roi decision shouldn't be based on btc to usd. It should be based on BTC cost of miner versus btc mined by miner.
Its like investing in the stock market thier are no garantees. You could join a pool on a badluck streak and then switch and hit another with bad luck streak. You could hit a pool with good luck. and make more than the calculators say.
If you are hedging you will profit with the miner only if btc increases in price why not just buy the btc and hold and then sell when it goes up.
I have free power so i have some wiggle room on how long i can run a miner.

Have some number to back up this claim?

Which numbers are u looking for the ones from an bitcoin roi calc say electricity is free and btc price stays flat.
Or are you referring to my pool luck comments

I must of missed my goal in the comment. Bitcoin mining is speclative. And thier is a chance to make a profit or atleast some think thier is. I have a person that pays me .035 btc to rent a 1 th miner a day. Not sure why all calcs say you can only get .021 a day guess he is ethier loosing it or he has some secret pool that pays nicely.

0.035BTC per day seems to be a good payment rate for 1 Th/s (good for you that is). My 1.6 Th/s mining currently only producing 0.03 to 0.036BTC per day. Guess you have to figure he's not maintaining and has no sunk cost, but I still don't see how he's making money. Believe it would be better for him to just buy the BTC.

[ftoole]

Are these still a good idea to buy? Mining is bleak with the difficulty rises and the lack of price gain.

THat is a personal question i would say yes you can still break even and make a small profit on these By first of next yr. But you do come into the issue of how much you pay for power. Do you have aqueduct cooling in your home. If you well and my opinion your roi decision shouldn't be based on btc to usd. It should be based on BTC cost of miner versus btc mined by miner.
Its like investing in the stock market thier are no garantees. You could join a pool on a badluck streak and then switch and hit another with bad luck streak. You could hit a pool with good luck. and make more than the calculators say.
If you are hedging you will profit with the miner only if btc increases in price why not just buy the btc and hold and then sell when it goes up.
I have free power so i have some wiggle room on how long i can run a miner.

Have some number to back up this claim?

Which numbers are u looking for the ones from an bitcoin roi calc say electricity is free and btc price stays flat.
Or are you referring to my pool luck comments

I must of missed my goal in the comment. Bitcoin mining is speclative. And thier is a chance to make a profit or atleast some think thier is. I have a person that pays me .035 btc to rent a 1 th miner a day. Not sure why all calcs say you can only get .021 a day guess he is ethier loosing it or he has some secret pool that pays nicely.

0.035BTC per day seems to be a good payment rate for 1 Th/s (good for you that is). My 1.6 Th/s mining currently only producing 0.03 to 0.036BTC per day. Guess you have to figure he's not maintaining and has no sunk cost, but I still don't see how he's making money. Believe it would be better for him to just buy the BTC.

I know pay .035 to mine .021 i just laugh to my btc wallet. These people who lease rigs pay in btc so thier generally i doubt hiting roi form a btc view but i see the same users doing it so they must have some stratogey for makin it work. Hey if they dont lease it then it mining one of my pools. Win win for me.

[bspurloc]

Hi, anyone shed any light on this?



Been running @250 for the past 3 weeks solid, then this morning that happened.

Ive clocked it down, but I'm assuming I've fried one side.

Any ideas for a repair anyone?

what batch are these where the fan speeds are completely wrong?

[bspurloc]

Does anyone have the actual weight of an S3 in the box (not just what bitmain prints on the label)?

Mailed one this morning. Just under 13lbs.

yaeh I see fedex saying 10lb and ups saying 13lbs

[twib2]

Does anyone know the specs or screw type (size, length, pitch, etc) for the screws that mount the two heatsinks to the hashing boards?

Bitmain shipped me a board w/o heatsinks when I sent my old one back with heatsinks still attached.  Then they sent heatsinks but no screws.  My original warranty problem was reported on 2 August, and I'm still not back to full hashing on that unit because of things like this, not to mention the time when it took more than a week to hear from them in the middle of our interactions despite trying several times.  Meh.  Not happy with the customer service...  Never had to use them for the S1's, and everything was great.

[shaxs]

I have 10 Antminer S3. One of them was under performing and had a few x's under ASIC status so I GUI rebooted it. Now, it doesn't hash at all and the Antminer section on Miner Status just says "This section contains no values yet".

I have rebooted a few times but it won't has at all. Any idea what is going on?

[iglasses]

I have 10 Antminer S3. One of them was under performing and had a few x's under ASIC status so I GUI rebooted it. Now, it doesn't hash at all and the Antminer section on Miner Status just says "This section contains no values yet".

I have rebooted a few times but it won't has at all. Any idea what is going on?

Did you firmware it for the speed selection?  After you load that firmware you MUST go to the advanced tab and select a clock speed or it won't hash right.

[chunkyjunkie]

Was looking ok for a bit, but thinking difficulty is over 22% by the time we adjust.

currently 14.19%, but with lift off. 

Hope I am wrong.

[shaxs]

I have 10 Antminer S3. One of them was under performing and had a few x's under ASIC status so I GUI rebooted it. Now, it doesn't hash at all and the Antminer section on Miner Status just says "This section contains no values yet".

I have rebooted a few times but it won't has at all. Any idea what is going on?

Did you firmware it for the speed selection?  After you load that firmware you MUST go to the advanced tab and select a clock speed or it won't hash right.

No I have not updated to a new firmware. They still have the ones they shipped with. Is the new firmware worth it?

Also, power cycling it by pulling the power cord on PSU fixed the issue.

[iglasses]

I have 10 Antminer S3. One of them was under performing and had a few x's under ASIC status so I GUI rebooted it. Now, it doesn't hash at all and the Antminer section on Miner Status just says "This section contains no values yet".

I have rebooted a few times but it won't has at all. Any idea what is going on?

Did you firmware it for the speed selection?  After you load that firmware you MUST go to the advanced tab and select a clock speed or it won't hash right.

No I have not updated to a new firmware. They still have the ones they shipped with. Is the new firmware worth it?

Also, power cycling it by pulling the power cord on PSU fixed the issue.

Well if you put the latest firmware on you can change clock speeds without having to ssh into the miner and type out the commands manually.  They added a tab on the configuration page with a drop down that you can select various clock speeds and just hit apply/save and the miner reboots set to that clock speed.
I found it helpful for testing different speeds.

[Atomar]

Where exactely is the freq. Setting ?? I know I saw that! But can't find it anymore in the newest firmware ...

Edit: Newer mind! Just found it though

[MoreBloodWine]

Where exactely is the freq. Setting ?? I know I saw that! But can't find it anymore in the newest firmware ...

Edit: Newer mind! Just found it though

If your on the new firmware it's under the advanced setting tab which you will find after going to the Miner Configuration area.

Edit: Just saw your edit lol

[aurel57]

I know the feeling. I was also debating buying S3s but now holding to see what happens. I'm still mining with 8 S1s and they're down to pulling in about 1 BTC a month. At my electricity cost of $0.13/kWh this cost me about $340/month. So I'm still making a small profit at the current BTC price. May upgrade using the kits, but not worth it yet. Waiting to see what happens.

You really need to look at the pencil mod of your S1's I did my 9 miners and now they mine at only 140GH but use @ 200 watts less apiece. So now my electric cost (.125kw) is about .51 day each. You will make more profit doing so. Then this also freed up PSU to run some S3's

[shaxs]

I have 10 Antminer S3. One of them was under performing and had a few x's under ASIC status so I GUI rebooted it. Now, it doesn't hash at all and the Antminer section on Miner Status just says "This section contains no values yet".

I have rebooted a few times but it won't has at all. Any idea what is going on?

Did you firmware it for the speed selection?  After you load that firmware you MUST go to the advanced tab and select a clock speed or it won't hash right.

No I have not updated to a new firmware. They still have the ones they shipped with. Is the new firmware worth it?

Also, power cycling it by pulling the power cord on PSU fixed the issue.

Well if you put the latest firmware on you can change clock speeds without having to ssh into the miner and type out the commands manually.  They added a tab on the configuration page with a drop down that you can select various clock speeds and just hit apply/save and the miner reboots set to that clock speed.
I found it helpful for testing different speeds.

I thought these had issues running at anything other than stock speeds?

[Moria843]

I know the feeling. I was also debating buying S3s but now holding to see what happens. I'm still mining with 8 S1s and they're down to pulling in about 1 BTC a month. At my electricity cost of $0.13/kWh this cost me about $340/month. So I'm still making a small profit at the current BTC price. May upgrade using the kits, but not worth it yet. Waiting to see what happens.

You really need to look at the pencil mod of your S1's I did my 9 miners and now they mine at only 140GH but use @ 200 watts less apiece. So now my electric cost (.125kw) is about .51 day each. You will make more profit doing so. Then this also freed up PSU to run some S3's

Not sure what you mean by pencil mod? I guess you mean lowering the frequency. I'll PuTTY in and try that. Thanks for the advice. 

[atledenin]

I know the feeling. I was also debating buying S3s but now holding to see what happens. I'm still mining with 8 S1s and they're down to pulling in about 1 BTC a month. At my electricity cost of $0.13/kWh this cost me about $340/month. So I'm still making a small profit at the current BTC price. May upgrade using the kits, but not worth it yet. Waiting to see what happens.

You really need to look at the pencil mod of your S1's I did my 9 miners and now they mine at only 140GH but use @ 200 watts less apiece. So now my electric cost (.125kw) is about .51 day each. You will make more profit doing so. Then this also freed up PSU to run some S3's

Not sure what you mean by pencil mod? I guess you mean lowering the frequency. I'll PuTTY in and try that. Thanks for the advice. 

It's this - https://bitcointa.lk/threads/guide-undervolt-antminer-s1-1-19w-gh-at-the-wall.286480/

I've done it on my S1, works great.  As aurel57 mentioned it'll increase your profit margin


 

[faraway]

just wanted to report that all nine of my S3 ants have been running flawlessly at 500+g/hs all month long.
i have not had to reboot a single one of them for the last three weeks.
my S3 ant farm colony is running as stable and strong as the my S1's.
of course i did make some mods before i started running them.
the above screenshot is what i see every day all the time without any reboots.
thanks bitmain for the great miners!

would also be interested how you mod them to get that high hashrate stable...

I'm interested too on the mods. I had mods some GPU with a great gain (decoupling capacitors...Step down converter...).

[R4v37]

This is from 4 S3 Antminers.  So what's wrong here?  



Help please!

hmmm from what i see....
nothing wrong here buddy

do you have any problem with it?

[suchmoon]

Well it does seem like an extremely high proportion of stale and duplicate work. I know this isn't related to hardware errors but there is one miner which seems to be producing a relatively high percentage of HW errors also.  I didn't screenshot that as it's only about 1.6%.

You're misreading the graph. Hashrate and rejects have different scales, one on the left side, the other one on the right side. Under 1% of rejects is not high.

[suchmoon]

Well it does seem like an extremely high proportion of stale and duplicate work. I know this isn't related to hardware errors but there is one miner which seems to be producing a relatively high percentage of HW errors also.  I didn't screenshot that as it's only about 1.6%.

You're misreading the graph. Hashrate and rejects have different scales, one on the left side, the other one on the right side. Under 1% of rejects is not high.

Ah,  thanks for that.  I guess I'm reading the numbers in the pop up info box wrong too? I've never used ghash.io before. Just out of interest, what difficulty should be set for S3 use on ghash.io? My ghash.io account defaulted to 1024 initially but I thought this to be too high, so set it to 256 like it was with vardiff on Eligius.

256 is fine and 1024 is ok too I think. If you go higher than that the hashrate chart will be choppy and if you go lower you might get bottlenecked by network and/or controller.

You need to match the stale/dup numbers against the number of diff 1 shares submitted. You are submitting ~300,000 shares per round and occasionally getting ~2000 shares rejected in some rounds... perfectly fine as far as I can see.