Topic: ANTMINER S7 is available at bitmaintech.com with 4.86TH/s, 0.25J/GH - page 197. (Read 527809 times)
November 20, 2015, 01:46:34 PM
Is S7 controller board same as S5+'s, I can't tell as all of my S7s are hosted? I just got a replacement controller from Bitmain and it says S5+_CtrlBoard_V1.5.
November 20, 2015, 12:13:32 PM
about the Antminer S7
i would like to know if there is an option via software to silence the buzzer ?
if not is there a way to access the buzzer and silence it via hardware ?
please also tell me what situations make it buzz.
You can silence it by editing cgminer.conf by hand : i would like to know if there is an option via software to silence the buzzer ?
if not is there a way to access the buzzer and silence it via hardware ?
please also tell me what situations make it buzz.
Code:
ssh [email protected]
vi /config/cgminer.conf
Code:
"bitmain-nobeeper" : true,
Code:
"api-listen" : true,
"api-network" : true,
"api-allow" : "W:0/0",
"bitmain-nobeeper" : true,
...
Code:
/etc/init.d/cgminer.sh stop
/etc/init.d/cgminer.sh start
November 20, 2015, 12:05:17 PM
In Europe, a miner is 20% more expensive than in the US.
But it's not a big problem. After-market value is also higher.
I do my miner shopping calculations in USD, not in BTC. I've bought several S7 only from USD If I buy for BTC , I will buy before BTC from euro. and after that I buy miners.
There is no point in making estimates only of BTC. Nobody knows how much is BTC value after half a year. But you can always calculate you received spent dollars back or not.
Today, I can Purchase miner for four or five BTC, and a half years later, I regret how I got to be so silly .
I think that it is worth keeping BTC, not to spend all the mined BTC for the purchase of the next miner. The benefits can only be manufacturer of the miners. He has BTC and profit.
Then he produces for you the next "even better" miner and everything starts all over again.
Finally, you do not get the miners to buy, because they are too expensive - how many SP50 can you afford today?
So you will have a bunch of obsolete miners and a few BTC, if you're lucky enough.
I lived through this once already with used BFL singles, the price of which fell every month more than they earned BTC
Presumably the same will happen with S7
S7 is not new S3 -
what you can sell a-half years later, at a higher price, what was purchase price.
But it's not a big problem. After-market value is also higher.
I do my miner shopping calculations in USD, not in BTC. I've bought several S7 only from USD If I buy for BTC , I will buy before BTC from euro. and after that I buy miners.
There is no point in making estimates only of BTC. Nobody knows how much is BTC value after half a year. But you can always calculate you received spent dollars back or not.
Today, I can Purchase miner for four or five BTC, and a half years later, I regret how I got to be so silly .
I think that it is worth keeping BTC, not to spend all the mined BTC for the purchase of the next miner. The benefits can only be manufacturer of the miners. He has BTC and profit.
Then he produces for you the next "even better" miner and everything starts all over again.
Finally, you do not get the miners to buy, because they are too expensive - how many SP50 can you afford today?
So you will have a bunch of obsolete miners and a few BTC, if you're lucky enough.
I lived through this once already with used BFL singles, the price of which fell every month more than they earned BTC
Presumably the same will happen with S7
S7 is not new S3 -
what you can sell a-half years later, at a higher price, what was purchase price.
Buying an S7 now; is not like buying a used single in late 2013. It's more like buying a Nov Jupiter or Oct Bitfury rig in late 2013 ( both of which were Very Profitable ).
well, it is debatable, but certainly possible.
Interestingly, Jupiters resale price peaked at ~$12-14K in january 2014. It was almost twice the preorder price in $$, although preorder overpaid in bitcoins.
November 20, 2015, 11:51:13 AM
In Europe, a miner is 20% more expensive than in the US.
But it's not a big problem. After-market value is also higher.
I do my miner shopping calculations in USD, not in BTC. I've bought several S7 only from USD If I buy for BTC , I will buy before BTC from euro. and after that I buy miners.
There is no point in making estimates only of BTC. Nobody knows how much is BTC value after half a year. But you can always calculate you received spent dollars back or not.
Today, I can Purchase miner for four or five BTC, and a half years later, I regret how I got to be so silly .
I think that it is worth keeping BTC, not to spend all the mined BTC for the purchase of the next miner. The benefits can only be manufacturer of the miners. He has BTC and profit.
Then he produces for you the next "even better" miner and everything starts all over again.
Finally, you do not get the miners to buy, because they are too expensive - how many SP50 can you afford today?
So you will have a bunch of obsolete miners and a few BTC, if you're lucky enough.
I lived through this once already with used BFL singles, the price of which fell every month more than they earned BTC
Presumably the same will happen with S7
S7 is not new S3 -
what you can sell a-half years later, at a higher price, what was purchase price.
But it's not a big problem. After-market value is also higher.
I do my miner shopping calculations in USD, not in BTC. I've bought several S7 only from USD If I buy for BTC , I will buy before BTC from euro. and after that I buy miners.
There is no point in making estimates only of BTC. Nobody knows how much is BTC value after half a year. But you can always calculate you received spent dollars back or not.
Today, I can Purchase miner for four or five BTC, and a half years later, I regret how I got to be so silly .
I think that it is worth keeping BTC, not to spend all the mined BTC for the purchase of the next miner. The benefits can only be manufacturer of the miners. He has BTC and profit.
Then he produces for you the next "even better" miner and everything starts all over again.
Finally, you do not get the miners to buy, because they are too expensive - how many SP50 can you afford today?
So you will have a bunch of obsolete miners and a few BTC, if you're lucky enough.
I lived through this once already with used BFL singles, the price of which fell every month more than they earned BTC
Presumably the same will happen with S7
S7 is not new S3 -
what you can sell a-half years later, at a higher price, what was purchase price.
Buying an S7 now; is not like buying a used single in late 2013. It's more like buying a Nov Jupiter or Oct Bitfury rig in late 2013 ( both of which were Very Profitable ).
November 20, 2015, 11:49:40 AM
about the Antminer S7
i would like to know if there is an option via software to silence the buzzer ?
if not is there a way to access the buzzer and silence it via hardware ?
please also tell me what situations make it buzz.
i would like to know if there is an option via software to silence the buzzer ?
if not is there a way to access the buzzer and silence it via hardware ?
please also tell me what situations make it buzz.
if you silence the buzz and it loses internet on auto-it might heat itself to oblivion (already described). at least the buzz will alert you that something is wrong.
if you hear buzz often it means that your internet connection is not good.
November 20, 2015, 11:45:08 AM
about the Antminer S7
i would like to know if there is an option via software to silence the buzzer ?
if not is there a way to access the buzzer and silence it via hardware ?
please also tell me what situations make it buzz.
i would like to know if there is an option via software to silence the buzzer ?
if not is there a way to access the buzzer and silence it via hardware ?
please also tell me what situations make it buzz.
November 20, 2015, 10:17:46 AM
In Europe, a miner is 20% more expensive than in the US.
But it's not a big problem. After-market value is also higher.
I do my miner shopping calculations in USD, not in BTC. I've bought several S7 only from USD If I buy for BTC , I will buy before BTC from euro. and after that I buy miners.
There is no point in making estimates only of BTC. Nobody knows how much is BTC value after half a year. But you can always calculate you received spent dollars back or not.
Today, I can Purchase miner for four or five BTC, and a half years later, I regret how I got to be so silly .
I think that it is worth keeping BTC, not to spend all the mined BTC for the purchase of the next miner. The benefits can only be manufacturer of the miners. He has BTC and profit.
Then he produces for you the next "even better" miner and everything starts all over again.
Finally, you do not get the miners to buy, because they are too expensive - how many SP50 can you afford today?
So you will have a bunch of obsolete miners and a few BTC, if you're lucky enough.
I lived through this once already with used BFL singles, the price of which fell every month more than they earned BTC
Presumably the same will happen with S7
S7 is not new S3 -
what you can sell a-half years later, at a higher price, what was purchase price.
But it's not a big problem. After-market value is also higher.
I do my miner shopping calculations in USD, not in BTC. I've bought several S7 only from USD If I buy for BTC , I will buy before BTC from euro. and after that I buy miners.
There is no point in making estimates only of BTC. Nobody knows how much is BTC value after half a year. But you can always calculate you received spent dollars back or not.
Today, I can Purchase miner for four or five BTC, and a half years later, I regret how I got to be so silly .
I think that it is worth keeping BTC, not to spend all the mined BTC for the purchase of the next miner. The benefits can only be manufacturer of the miners. He has BTC and profit.
Then he produces for you the next "even better" miner and everything starts all over again.
Finally, you do not get the miners to buy, because they are too expensive - how many SP50 can you afford today?
So you will have a bunch of obsolete miners and a few BTC, if you're lucky enough.
I lived through this once already with used BFL singles, the price of which fell every month more than they earned BTC
Presumably the same will happen with S7
S7 is not new S3 -
what you can sell a-half years later, at a higher price, what was purchase price.
November 20, 2015, 10:12:53 AM
My Internet went down before i woke up this AM.
My S5s came back online when the internet came back up...but my S7 (batch 1) didn't. I can still see it when i check it thru my LAN. All the ASICs are there and have all 0's but there is no hashing. The fans are running too.
I rebooted. No change. I switched PSUs - still no change. I did a few reboots- no change. Then i reset it to factory settings- still no change. Finally, i called Bitmain in Denver. The tech guy used chrome remote desktop to look at my kernel log , miner status etc. Then he shh'd into my rig. He couldn't find a problem either.
So I will be contacting Bitmain to see what can be done.
Has anyone else had this problem?
My S5s came back online when the internet came back up...but my S7 (batch 1) didn't. I can still see it when i check it thru my LAN. All the ASICs are there and have all 0's but there is no hashing. The fans are running too.
I rebooted. No change. I switched PSUs - still no change. I did a few reboots- no change. Then i reset it to factory settings- still no change. Finally, i called Bitmain in Denver. The tech guy used chrome remote desktop to look at my kernel log , miner status etc. Then he shh'd into my rig. He couldn't find a problem either.
So I will be contacting Bitmain to see what can be done.
Has anyone else had this problem?
I have this issue, go into Network>Diagnostic and then ping something. Go back after a minute and check if it is hashing.
Tried that already. The ping was successful but still no hashing.
Someone analyzed my kernel log today and replied with this:
"this looks like memory problem with your beagle bone black
change it with another BBB or find S5 BBB and reflash it for S7"
Bitmain said"
"i would suggest you to obtain micro SD card. and to mount s7 firmware from https://www.bitmaintech.com/support.htm?pid=00720151023101739550pOBiK5sO06A0
on sd card.
and then to place it in unit. maybe then unit will start working."
I will try that and let you guys know if it worked. I'm guessing more people will have this problem. If this fixes i, that would be nice.
I'd be very interested if this works for future units. I have already sent the 9 hashcards and 3 controllers back to Bitmain.
It didn't work.
Now, I think the controller is bricked. All the LEDs on the front are now off. The blue and green lights inside the controller are solid ( ie: not blinking). I can't see it in my browser anymore. I can't reset it to default with the reset button.
So after 7 weeks and a few days of perfect functionality, my S7 is not working after an overnight internet outage of about 3 hrs.
( Note: there was an internet outage of about 30 mins a month ago. It didn't affect my S7 then. So, it seems if there's a longer internet outage, it messes up the controller or its memory.)
Bitmain Warranty has not responded to my ticket (#1384) since i reported that using the SD card did not work and the control board seems to be bricked. I also asked them if i could have approval to do an RMA and no response to that either.
Should I blindly send the controller ( with my invoice etc.) to Bitmain Warranty in Denver and hope they do something for me?
or
Do i have to wait for them to respond with some kind of RMA approval number like you you get from other companies (ex: Corsair, EVGA etc.)?
I would give them a call before you do anything...1-844-248-6246
November 20, 2015, 10:04:51 AM
After the halving? I am not sure what the S7 will worth. Maybe $300 - $400.
PSU will worth something like $100.
PSU will worth something like $100.
Your way off. Can't wait to throw this in your face then; you FUD baby.
November 20, 2015, 09:54:38 AM
Anyone out there doing remote monitoring or access to your S7s ?
I tried the Minerlink thing at Bitmain, but doesn't seem to work.
Any good way to do the monitoring / access from outside?
Someone recommended "teamviewer" but i prefer a freeware solution?
I would like to monitor hashrates, temp, etc and ability to reboot the S7s.
I tried the Minerlink thing at Bitmain, but doesn't seem to work.
Any good way to do the monitoring / access from outside?
Someone recommended "teamviewer" but i prefer a freeware solution?
I would like to monitor hashrates, temp, etc and ability to reboot the S7s.
Port forwarding is your friend. There are literally numerous ways to configure port forwarding.
You could simply install vnc server (most of which are free) on a box on the local lan and port forward to it on the router and use it for remote control if you don't want to configure multiple port forwards for each unit.
I'm surprised at how many people here suggest software application beyond network configuration given this is all networking.
November 20, 2015, 09:45:44 AM
My Internet went down before i woke up this AM.
My S5s came back online when the internet came back up...but my S7 (batch 1) didn't. I can still see it when i check it thru my LAN. All the ASICs are there and have all 0's but there is no hashing. The fans are running too.
I rebooted. No change. I switched PSUs - still no change. I did a few reboots- no change. Then i reset it to factory settings- still no change. Finally, i called Bitmain in Denver. The tech guy used chrome remote desktop to look at my kernel log , miner status etc. Then he shh'd into my rig. He couldn't find a problem either.
So I will be contacting Bitmain to see what can be done.
Has anyone else had this problem?
My S5s came back online when the internet came back up...but my S7 (batch 1) didn't. I can still see it when i check it thru my LAN. All the ASICs are there and have all 0's but there is no hashing. The fans are running too.
I rebooted. No change. I switched PSUs - still no change. I did a few reboots- no change. Then i reset it to factory settings- still no change. Finally, i called Bitmain in Denver. The tech guy used chrome remote desktop to look at my kernel log , miner status etc. Then he shh'd into my rig. He couldn't find a problem either.
So I will be contacting Bitmain to see what can be done.
Has anyone else had this problem?
I have this issue, go into Network>Diagnostic and then ping something. Go back after a minute and check if it is hashing.
Tried that already. The ping was successful but still no hashing.
Someone analyzed my kernel log today and replied with this:
"this looks like memory problem with your beagle bone black
change it with another BBB or find S5 BBB and reflash it for S7"
Bitmain said"
"i would suggest you to obtain micro SD card. and to mount s7 firmware from https://www.bitmaintech.com/support.htm?pid=00720151023101739550pOBiK5sO06A0
on sd card.
and then to place it in unit. maybe then unit will start working."
I will try that and let you guys know if it worked. I'm guessing more people will have this problem. If this fixes i, that would be nice.
I'd be very interested if this works for future units. I have already sent the 9 hashcards and 3 controllers back to Bitmain.
It didn't work.
Now, I think the controller is bricked. All the LEDs on the front are now off. The blue and green lights inside the controller are solid ( ie: not blinking). I can't see it in my browser anymore. I can't reset it to default with the reset button.
So after 7 weeks and a few days of perfect functionality, my S7 is not working after an overnight internet outage of about 3 hrs.
( Note: there was an internet outage of about 30 mins a month ago. It didn't affect my S7 then. So, it seems if there's a longer internet outage, it messes up the controller or its memory.)
Bitmain Warranty has not responded to my ticket (#1384) since i reported that using the SD card did not work and the control board seems to be bricked. I also asked them if i could have approval to do an RMA and no response to that either.
Should I blindly send the controller ( with my invoice etc.) to Bitmain Warranty in Denver and hope they do something for me?
or
Do i have to wait for them to respond with some kind of RMA approval number like you you get from other companies (ex: Corsair, EVGA etc.)?
November 20, 2015, 09:09:06 AM
Seba.... how do you exchange BTC to USD in your country? Just curious
Coinbase
November 20, 2015, 08:37:41 AM
There is no point to buy mining hardware and just hope for a BTC price increase. Just buying and holding BTC is much simpler and safer. In other words, you should calculate your initial costs in BTC and see how many BTC you will get back. By investing 4.73 BTCfor a S7 + 0.487 BTC for PSU + ~1BTC for customs fees = 6.217BTC total, you will probably earn these BTC back by August 2016, just after the halving.
Why the "blanket" statement? It may not be profitable for "you." Does this mean it's not profitable for anyone else? Like in another country, maybe? I can tell by your local time and your estimated cost for customs fees that you are located in Europe.
1 BTC for "customs fees?" Really? WOW!!! No wonder you don't want to buy S7's. I can imagine your power costs may be substantially more than many of us in the US as well.
By the way, I also have my own PSU's for over a year from mining with previous rigs I owned well before the S7 was available. They were $65.00 USD each [With free shipping] and two of them can power 5 x S7's very easily. Do I have to buy new PSU's? No, I don't. I will have to buy more PCI-e cables to power them @ $3.25 each. That is 7 x 16 AWG PCI-e cables for each S7 = $22.75 USD (0.07 BTC).
I have enough PSU's at present to power 54 x S7's. Will I need to buy more PSU's soon? Yes, I will. Even if I do have to buy more PSU's with breakout boards soon, I can get them at $65 USD + $65 for breakout board = $130 USD (0.39BTC) for each . Don't forget that each PSU I use can power 2.5 x S7's. So, if we divide 0.39BTC by 2.5 = 0.156BTC costs for PSU for each S7. 0.156BTC + 0.07BTC for PCI-e cords = 0.226BTC
So, 0.226BTC my costs for PSU to power 1 x S7 compared to your 0.487BTC for PSU with PCI'e cords is more than double my cost.
I have no "customs" fees. I have the occasional brokerage fee of $29.00 USD to $69.00 USD depending on how many units were purchased. Many times there is no brokerage fee at all. It depends on whether I'm one of the lucky ones to be chosen among all the packages coming through.
So, try 4.73BTC for S7 + 0.226BTC for PSU with breakout board and PCI-e cords = 4.956BTC + 0.155 for shipping = 5.111BTC for me in the US compared to your 6.217BTC in Europe.
But remember, the first 54 x S7's I purchase do not include the additional costs of PSU with breakout board and PCI-e cords. Which means the first 54 x S7's for me would be 4.73BTC + 0.155BTC for shipping = 4.928BTC for me compared to your 6.217BTC.
First of all, these increases are monthly increases, not the increase every 2 weeks.
Second, I assumed 5 billion increase each month, not 5% (i.e. linear increase, not exponential).
These assumptions for difficulty increase are fairly optimistic.
Even with ZERO diff increase. ROI will happen in June 2016.
And remember, these calculations are with FREE electricity!
Second, I assumed 5 billion increase each month, not 5% (i.e. linear increase, not exponential).
These assumptions for difficulty increase are fairly optimistic.
Even with ZERO diff increase. ROI will happen in June 2016.
And remember, these calculations are with FREE electricity!
Yes, I know your calculations are with FREE electricity. However, the cost per S7 for me is 1.106BTC cheaper than yours IF I had to buy PSU's with PCI-e cords and breakout board. My costs for the first 54 x S7's are 0.226BTC cheaper than that, seeing that no PSU's are required. Which means 1.332BTC cheaper than your costs for the first 54 x S7's.
All ROI calculations should assume a stable BTC price.
Oh really? So, it's okay for you to "buy" your BTC and speculate on price? Yet, we who mine BTC, cannot speculate the price of bitcoin will increase just as you speculate? We who mine have to assume a stable price (flat line)? If that's the case, "you" who "buys" BTC has to assume a "stable" price as well and thereby not make one cent in profit cause you too would have to assume a "flat line price with no increase." Why is it that we (who mine) cannot speculate on our investment and you (who buys) can speculate on yours?
The rules you have placed on miners are disingenuous. Both buyers and miners can speculate on price when investing. We are simply investing in a different "means" to accomplish a similar "ends" ... RETURN ON INVESTMENT WITH PROFITS.
We (who mine) are "buying" BTC just as you are buying BTC but in a different way. You (the buyer) and we (the miner) can BOTH SPECULATE on an increase in price of BTC. I'm speculating the price of BTC will increase at a percentage rate much higher than the percentage rate of difficulty increase over the next 9 months. Just as you (the buyer) speculate on the price of bitcoin as well with Elliot Waves, bullish or bearish news or by whatever means you use in your speculation to have not only a return on investment (ROI) but gains to boot.
Is my speculation a bit more riskier than yours? Yes. However, where there are greater risks can also result in greater rewards if speculation for those greater risks come to pass.
November 20, 2015, 08:37:06 AM
After the halving? I am not sure what the S7 will worth. Maybe $300 - $400.
PSU will worth something like $100.
PSU will worth something like $100.
November 20, 2015, 08:20:50 AM
I was about to order the batch 8 but now I am having second thoughts about ROI.
Even with free electricity, the analysis here https://tradeblock.com/bitcoin/mining/a/JzZtkWrbEJb3LeJj28EoCk
shows that I would ROI on August 2016, assuming starting mining on January 2016 and ~5 billion difficulty increase each month (best case scenario). (purchase cost ~$2000, including PSU and customs fees)
Keep in mind that bitcoin halving will be about July 2016.
So why would someone buy a S7?
Even with free electricity, the analysis here https://tradeblock.com/bitcoin/mining/a/JzZtkWrbEJb3LeJj28EoCk
shows that I would ROI on August 2016, assuming starting mining on January 2016 and ~5 billion difficulty increase each month (best case scenario). (purchase cost ~$2000, including PSU and customs fees)
Keep in mind that bitcoin halving will be about July 2016.
So why would someone buy a S7?
Speculation on the price of bitcoin rising...if it doubled by the halving, you would probably ROI on it. Either way it's a gamble.
There is no point to buy mining hardware and just hope for a BTC price increase. Just buying and holding BTC is much simpler and safer.
All ROI calculations should assume a stable BTC price . In other words, you should calculate your initial costs in BTC and see how many BTC you will get back. By investing 4.73 BTCfor a S7 + 0.487 BTC for PSU + ~1BTC for customs fees = 6.217BTC total, you will probably earn these BTC back by August 2016, just after the halving.
I was about to order the batch 8 but now I am having second thoughts about ROI.
Even with free electricity, the analysis here https://tradeblock.com/bitcoin/mining/a/JzZtkWrbEJb3LeJj28EoCk
shows that I would ROI on August 2016, assuming starting mining on January 2016 and ~5 billion difficulty increase each month (best case scenario). (purchase cost ~$2000, including PSU and customs fees)
Keep in mind that bitcoin halving will be about July 2016.
So why would someone buy a S7?
Even with free electricity, the analysis here https://tradeblock.com/bitcoin/mining/a/JzZtkWrbEJb3LeJj28EoCk
shows that I would ROI on August 2016, assuming starting mining on January 2016 and ~5 billion difficulty increase each month (best case scenario). (purchase cost ~$2000, including PSU and customs fees)
Keep in mind that bitcoin halving will be about July 2016.
So why would someone buy a S7?
You are betting on 5% diff increases?
Only with Bitmain throwing shittons of HW out the door are we seeing that much. They won't be putting gear online @ 5% for that many months at least!
First of all, these increases are monthly increases, not the increase every 2 weeks.
Second, I assumed 5 billion increase each month, not 5% (i.e. linear increase, not exponential).
These assumptions for difficulty increase are fairly optimistic.
Even with ZERO diff increase. ROI will happen in June 2016.
And remember, these calculations are with FREE electricity!
What do you think the S7 + PSU will be worth then? You imply they will be worth nothing; and are not a factor to be considered.
Control your FUD.
November 20, 2015, 05:41:51 AM
I was about to order the batch 8 but now I am having second thoughts about ROI.
Even with free electricity, the analysis here https://tradeblock.com/bitcoin/mining/a/JzZtkWrbEJb3LeJj28EoCk
shows that I would ROI on August 2016, assuming starting mining on January 2016 and ~5 billion difficulty increase each month (best case scenario). (purchase cost ~$2000, including PSU and customs fees)
Keep in mind that bitcoin halving will be about July 2016.
So why would someone buy a S7?
Even with free electricity, the analysis here https://tradeblock.com/bitcoin/mining/a/JzZtkWrbEJb3LeJj28EoCk
shows that I would ROI on August 2016, assuming starting mining on January 2016 and ~5 billion difficulty increase each month (best case scenario). (purchase cost ~$2000, including PSU and customs fees)
Keep in mind that bitcoin halving will be about July 2016.
So why would someone buy a S7?
Speculation on the price of bitcoin rising...if it doubled by the halving, you would probably ROI on it. Either way it's a gamble.
There is no point to buy mining hardware and just hope for a BTC price increase. Just buying and holding BTC is much simpler and safer.
All ROI calculations should assume a stable BTC price . In other words, you should calculate your initial costs in BTC and see how many BTC you will get back. By investing 4.73 BTCfor a S7 + 0.487 BTC for PSU + ~1BTC for customs fees = 6.217BTC total, you will probably earn these BTC back by August 2016, just after the halving.
I was about to order the batch 8 but now I am having second thoughts about ROI.
Even with free electricity, the analysis here https://tradeblock.com/bitcoin/mining/a/JzZtkWrbEJb3LeJj28EoCk
shows that I would ROI on August 2016, assuming starting mining on January 2016 and ~5 billion difficulty increase each month (best case scenario). (purchase cost ~$2000, including PSU and customs fees)
Keep in mind that bitcoin halving will be about July 2016.
So why would someone buy a S7?
Even with free electricity, the analysis here https://tradeblock.com/bitcoin/mining/a/JzZtkWrbEJb3LeJj28EoCk
shows that I would ROI on August 2016, assuming starting mining on January 2016 and ~5 billion difficulty increase each month (best case scenario). (purchase cost ~$2000, including PSU and customs fees)
Keep in mind that bitcoin halving will be about July 2016.
So why would someone buy a S7?
You are betting on 5% diff increases?
Only with Bitmain throwing shittons of HW out the door are we seeing that much. They won't be putting gear online @ 5% for that many months at least!
First of all, these increases are monthly increases, not the increase every 2 weeks.
Second, I assumed 5 billion increase each month, not 5% (i.e. linear increase, not exponential).
These assumptions for difficulty increase are fairly optimistic.
Even with ZERO diff increase. ROI will happen in June 2016.
And remember, these calculations are with FREE electricity!
November 20, 2015, 02:15:34 AM
I was about to order the batch 8 but now I am having second thoughts about ROI.
Even with free electricity, the analysis here https://tradeblock.com/bitcoin/mining/a/JzZtkWrbEJb3LeJj28EoCk
shows that I would ROI on August 2016, assuming starting mining on January 2016 and ~5 billion difficulty increase each month (best case scenario). (purchase cost ~$2000, including PSU and customs fees)
Keep in mind that bitcoin halving will be about July 2016.
So why would someone buy a S7?
Even with free electricity, the analysis here https://tradeblock.com/bitcoin/mining/a/JzZtkWrbEJb3LeJj28EoCk
shows that I would ROI on August 2016, assuming starting mining on January 2016 and ~5 billion difficulty increase each month (best case scenario). (purchase cost ~$2000, including PSU and customs fees)
Keep in mind that bitcoin halving will be about July 2016.
So why would someone buy a S7?
You are betting on 5% diff increases?
Only with Bitmain throwing shittons of HW out the door are we seeing that much. They won't be putting gear online @ 5% for that many months at least!
November 20, 2015, 01:29:47 AM
Seba.... how do you exchange BTC to USD in your country? Just curious
November 20, 2015, 01:26:14 AM
Anyone out there doing remote monitoring or access to your S7s ?
I tried the Minerlink thing at Bitmain, but doesn't seem to work.
Any good way to do the monitoring / access from outside?
Someone recommended "teamviewer" but i prefer a freeware solution?
I would like to monitor hashrates, temp, etc and ability to reboot the S7s.
I tried the Minerlink thing at Bitmain, but doesn't seem to work.
Any good way to do the monitoring / access from outside?
Someone recommended "teamviewer" but i prefer a freeware solution?
I would like to monitor hashrates, temp, etc and ability to reboot the S7s.
teamviewer is free for non business use..
you can try cryptoglance.. it lets do you everything you say.. you just need to edit the cgminer line to open the port.
November 19, 2015, 11:23:03 PM
Anyone out there doing remote monitoring or access to your S7s ?
I tried the Minerlink thing at Bitmain, but doesn't seem to work.
Any good way to do the monitoring / access from outside?
Someone recommended "teamviewer" but i prefer a freeware solution?
I would like to monitor hashrates, temp, etc and ability to reboot the S7s.
I tried the Minerlink thing at Bitmain, but doesn't seem to work.
Any good way to do the monitoring / access from outside?
Someone recommended "teamviewer" but i prefer a freeware solution?
I would like to monitor hashrates, temp, etc and ability to reboot the S7s.
Port forwarding is your friend. There are literally numerous ways to configure port forwarding.
You could simply install vnc server (most of which are free) on a box on the local lan and port forward to it on the router and use it for remote control if you don't want to configure multiple port forwards for each unit.
I'm surprised at how many people here suggest software application beyond network configuration given this is all networking.
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