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Author Topic: [Guide] Dogie's Comprehensive AMT 1.25TH Setup [HD]  (Read 6585 times)
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October 03, 2014, 05:17:02 PM
 #1

Dogie's Miner Setup Guides:
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    Guide meta thread
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___________________________________________________________________________________________________________________________


Nicely formatted version available at dogiecoin.com!



Contents:
0a) What to Expect
0b) What You Need
1) Powering
2) Cooling
3) Case
4) Configuration
5) Troubleshooting


0a) What to Expect (top)
AMT's 1.25TH 4U miner is designed to be rackmounted and is based off Bitmine's CoinCraft A1 chip. 5 modules are controlled by a Raspberry Pi, allowing
the unit to be standalone. I was unable to achieve the rated 1.25TH speed on many different firmware versions, however I was unable to find the cause
of the missing speed. There are certainly enough chips and power to achieve 1.25TH, however every pool tested rejected the equivalent shares when
attempting to speed the unit up past ~1TH.

Chips50x Bitmine CoinCraft A1
Hashrate~1000-1100GH
Rated Voltage12V
Rated Current83-100A
Power.Consumption1000-1200W

 

      
 

0b) What You Need (top)
You will need a few accessories to get started.


                             Click your flag to find everything you need to get started at Amazon!             
                    
                                         


1) Powering (top)
1.25Th's come with an internal OEM power supply. The unit is unmarked however its believed to be a 1300W model.

      


2) Cooling (top)
The three stock 120mm Nidec BetaV V34809-INT1F fans the 1.2T ships with are absolutely insane and will need to be replaced. They run at 5300 RPM and
are easily 85 dBA. I would recommend Corsair SP120 High Performance fans to replace them, which will work fine up to about a 35C ambient.

Each module has a full cover aluminium heatsink covering the back, and a smaller aluminium heatsink on the top of the chips.

      
 



3) Case (top)
The 1.25TH's case is rather substantial and is designed to be rack mounted. It features two substantial handles to help carry and get it into place and
there is plenty of ventilation to air airflow.

      
 
      


4) Configuration (top)
The 1.25TH is standalone and does not require an external controller.

Wiring:
  • Plug in an ethernet cable from the 1.25TH to you router.
  • Plug in the power cable from the 1.25TH to the mains.

Configuration:
  • Power on the power supply using its switch at the back.
  • Make sure that your router's subnet is 1, ie 192.168.1.x. If not then change it to 1, this is just temporary. ***If this is not possible, see below***
  • Using a browser, navigate to 192.168.1.100 - this goes to the 1.25TH's configuration page.
  • Login using "root" as both the username and password.
  • Navigate to "Settings".
  • Make sure the gateway IP is set to that of your router and click "Network Setting".
  • Enter your pool information in the below format.
  • Select "Beeper ringing" to "false" and click "Submit" twice.
  • Navigate to the page "Dashboard" to check mining has started.
  • You can then change your router subnet back to whatever you are used to using.

Alternative Subnet Change:
  • Unplug your computer from all internet sources.
  • Plug in an ethernet cable from the 1.25TH to your computer.
  • Navigate to Control Panel -> Network and Sharing Centre -> Change Adapter Settings.
  • Right click on your ethernet adapter -> Properties.
  • Click on "Internet Protocol Version 4" and click properties.
  • Select "Use the following IP address" and enter the following:
  • IP Address: 192.168.1.1, Subnet Mask: 255.255.255.0, Default Gateway: 192.168.1.99.
  • Plug in an ethernet cable from the 1.25TH to you router.
  • Restart the configuration instructions as above.

Antpool Register!
Code:
Servers : stratum+tcp://stratum.antpool.com:3333
User    : username.worker or username_worker - auto creates workers!
Password: anypassword
BTCGuild Register!
Code:
Servers : stratum+tcp://stratum.btcguild.com:3333
User    : username_worker
Password: anypassword
GHash IO Register!
Code:
Servers : stratum+tcp://us1.ghash.io:3333
User    : username.worker  - auto creates workers!
Password: anypassword




5) Troubleshooting (top)
TBD as problems arise.

      
 
      


Legal disclaimer: This information is for general guidance and does not constitute expert advice. We are not responsible if you, your property or a third
party is injured or damaged as a result of any interaction with this information, and no warranty is provided. All text and images are covered by copyright.
            


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October 03, 2014, 05:47:00 PM
 #2

Looks to me to be just another Innosilicon ("Dragon") clone.

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October 03, 2014, 07:35:11 PM
 #3

Looks to me to be just another Innosilicon ("Dragon") clone.

All A1 based miners will look very similar because there's only going to be one optimal way of designing things.

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October 04, 2014, 07:05:45 AM
 #4

Looks to me to be just another Innosilicon ("Dragon") clone.

All A1 based miners will look very similar because there's only going to be one optimal way of designing things.

hah, that's one way of looking at it.. Another might be that Innosilicon provided a reference design to their chip sale customers - which has been duplicated en masse. These boards aren't just similar - they're identical.

This video shows the bitmine version, similarity ends at the rows of boards and heatsinks: http://www.youtube.com/watch?v=w2uLBYbWeN4

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October 07, 2014, 06:47:23 PM
 #5

As always excellent review. I will note the same as MrPark. The company should be avoided. Their hardware is deceptively advertised at rates higher than the hardware actually goes. The webUI reports inaccurately 1.27 all the time regardless of the pool rate despite the other numbers being refreshed. Leads me to think its a false hashrate. I don't see this with any other miner product. It's just another case of smoke and mirrors with Joshua Zipkin deceiving people. Also should be noted that ssh access is possible BUT sadly they don't provide that info or they lie about the logins. It required some hacking the image to actually get SSH working properly in my case.

FYI the SAME model is reported on their site as 1.3Ths. So again more lies from this company. AVOID!! Oh and according to them, I am their official support contact. I am not. They passed the buck off to me. And I am trying to get Joshua Zipkin arrested for putting my family in danger. That should speak volumes about the company itself. Considering he thought it was a terrible idea to send a review unit initially to dogie, find it hilarious he took my idea and ran with it. I will post the chat log later where that comes up Wink

"amtminers scam joshua zipkin scammer"
-Joshua Zipkin leaked skype chats http://bit.ly/1s7U2Yb
-For bitcoin to succeed the community must police itself.
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October 07, 2014, 08:23:23 PM
 #6

As always excellent review. I will note the same as MrPark. The company should be avoided. Their hardware is deceptively advertised at rates higher than the hardware actually goes. The webUI reports inaccurately 1.27 all the time regardless of the pool rate despite the other numbers being refreshed. Leads me to think its a false hashrate. I don't see this with any other miner product. It's just another case of smoke and mirrors with Joshua Zipkin deceiving people. Also should be noted that ssh access is possible BUT sadly they don't provide that info or they lie about the logins. It required some hacking the image to actually get SSH working properly in my case.

FYI the SAME model is reported on their site as 1.3Ths. So again more lies from this company. AVOID!! Oh and according to them, I am their official support contact. I am not. They passed the buck off to me. And I am trying to get Joshua Zipkin arrested for putting my family in danger. That should speak volumes about the company itself. Considering he thought it was a terrible idea to send a review unit initially to dogie, find it hilarious he took my idea and ran with it. I will post the chat log later where that comes up Wink

I'm running a newer firmware version then the screenshots above and it does actually change values, and it does achieve higher hash rates. I do believe there are enough chips to achieve 1.25TH and its just bad firmware which is failing to achieve that hash rate. We had to go through several versions just to get one that would find the modules. Unfortunately though, he doesn't seem to have been around for a while and I had to publish as it had been too long.

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October 08, 2014, 01:59:31 AM
 #7

As always excellent review. I will note the same as MrPark. The company should be avoided. Their hardware is deceptively advertised at rates higher than the hardware actually goes. The webUI reports inaccurately 1.27 all the time regardless of the pool rate despite the other numbers being refreshed. Leads me to think its a false hashrate. I don't see this with any other miner product. It's just another case of smoke and mirrors with Joshua Zipkin deceiving people. Also should be noted that ssh access is possible BUT sadly they don't provide that info or they lie about the logins. It required some hacking the image to actually get SSH working properly in my case.

FYI the SAME model is reported on their site as 1.3Ths. So again more lies from this company. AVOID!! Oh and according to them, I am their official support contact. I am not. They passed the buck off to me. And I am trying to get Joshua Zipkin arrested for putting my family in danger. That should speak volumes about the company itself. Considering he thought it was a terrible idea to send a review unit initially to dogie, find it hilarious he took my idea and ran with it. I will post the chat log later where that comes up Wink
Agree 100% with Opieum and Mr. Park: Avoid AMTproducts/services!!
I too finally got my miner. Despite assurances from Joshua Zipkin in MY Skype chat room (I'm customer2 there) that mine was one of ones shipping *with* a psu, it of course arrived without one...

On mine all 3 fans had their wires cut leaving about a 1" stub from the fans. Long 3-wire cables were connected to the stubs and ran to the controller board, plugged in there and hot glued as well. Those turbine fans are definite pulls from salvaged servers.

Mine as well was filthy and obviously ran for more than 'a few days and the rooms are really dusty' as Josh replied when I pressed him about it. Josh, remember that I build industrial equipment? I have gear in places from clean rooms to absolutely horrid metal foundry conditions. I know dirt buildup rates.  Not only the fans and insides of the case covered in fine dust but even on the ends of the heatsinks in back where vortexes form had long term build up. As in growths about 2mm thick...

Since my miner arrived without a psu I had time to kill until one arrived (a week later - I got Lucky!) so cleaned it up and replaced all 3 fans with ones from Bgear. Also added a cover directly over the top of the row of hash board heat sinks to channel all airflow from the fans through/over the heatsinks. Works quite well.

I will say kudos on the heatsinks: Both the main bottom ones and the top sinks are 1st rate and well done, even have tapered fins with further tiny fins on them for great efficiency. Beats the hell out of the massive bulk-extruded ones from the 1st try versions.. Then again, Innosilicon had plenty of time to observe the screwups from Bitmine.ch/AMT and a couple other companies betting on the A1 chip as they floundered with a horrible thermal and PD layout. Inno saw the obvious flaws with the original thermal and power layouts and Got It Right. Yes, they then released the new and IMHO far superior board design for folks to make boards and miner using their chips.

My miner album warts and all: http://imgur.com/a/DmzAv

Hashrate reported on the web gui is always 1.2th. Never ever changes like my Ants do. However - again I got Lucky: My pool consistently reports 980ghs-1.2ths as the swing and pretty much a solid hair over 1th as average.

Damn - should have gone to the Casino that week... Actually finally got a miner from AMT (6 months late), actually got a psu from them for it, it runs per-spec speed and, after cleaning out the dirt it looks pretty rad with the Bgear fans...

-Joshua Zipkin aka Joshua Alexander leaked AMT A1 miner skype chats http://bit.ly/1Qjt6lj
-For bitcoin to succeed the community must police itself.
-Support Sidehacks miner development. Donations to:   1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
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October 08, 2014, 04:28:18 AM
 #8

I'm running a newer firmware version then the screenshots above and it does actually change values, and it does achieve higher hash rates. I do believe there are enough chips to achieve 1.25TH and its just bad firmware which is failing to achieve that hash rate. We had to go through several versions just to get one that would find the modules. Unfortunately though, he doesn't seem to have been around for a while and I had to publish as it had been too long.

can you post the firmware for download?
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October 08, 2014, 12:52:05 PM
 #9

I'm running a newer firmware version then the screenshots above and it does actually change values, and it does achieve higher hash rates. I do believe there are enough chips to achieve 1.25TH and its just bad firmware which is failing to achieve that hash rate. We had to go through several versions just to get one that would find the modules. Unfortunately though, he doesn't seem to have been around for a while and I had to publish as it had been too long.

can you post the firmware for download?

+1 Josh decided to cut off all support to users (and pass it to me where i have no real capacity or desire to do his job for him)

"amtminers scam joshua zipkin scammer"
-Joshua Zipkin leaked skype chats http://bit.ly/1s7U2Yb
-For bitcoin to succeed the community must police itself.
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October 08, 2014, 03:19:34 PM
 #10

I'm running a newer firmware version then the screenshots above and it does actually change values, and it does achieve higher hash rates. I do believe there are enough chips to achieve 1.25TH and its just bad firmware which is failing to achieve that hash rate. We had to go through several versions just to get one that would find the modules. Unfortunately though, he doesn't seem to have been around for a while and I had to publish as it had been too long.

can you post the firmware for download?

https://www.dropbox.com/s/9put760hx6saf3n/amt_a1_0827v01%20%282%29.img.bz2?dl=0

Make sure you've got a copy of your original one!!!!

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October 08, 2014, 05:03:19 PM
 #11

I'll have to give that one a try, mine is v722. Ever figure out the ssh user login and pw?

-Joshua Zipkin aka Joshua Alexander leaked AMT A1 miner skype chats http://bit.ly/1Qjt6lj
-For bitcoin to succeed the community must police itself.
-Support Sidehacks miner development. Donations to:   1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
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October 08, 2014, 05:15:29 PM
 #12

I'll have to give that one a try, mine is v722. Ever figure out the ssh user login and pw?

Nope

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October 08, 2014, 05:28:24 PM
 #13

<snip>
Unfortunately though, he doesn't seem to have been around for a while and I had to publish as it had been too long.
The last known contact with Joshua Zipkin of AMT Miners by us in the Skype chat room was August 24 and he left the room Friday Aug 29, 2014 @ 2:50pm after the chats were made public.

-Joshua Zipkin aka Joshua Alexander leaked AMT A1 miner skype chats http://bit.ly/1Qjt6lj
-For bitcoin to succeed the community must police itself.
-Support Sidehacks miner development. Donations to:   1BURGERAXHH6Yi6LRybRJK7ybEm5m5HwTr
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October 08, 2014, 05:31:47 PM
 #14

Why would they still make miners with such poor efficiency? I don't understand 1/1 w-ghash is not near competitive.

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October 08, 2014, 05:41:22 PM
 #15

Why would they still make miners with such poor efficiency? I don't understand 1/1 w-ghash is not near competitive.

These chips will do significantly better, but manufacturers push them up to this rage because then you get 2x+ more $ for the same chip costs. If the firmware was good (and the board design allowed it), you would have the choice to run @ 1TH ~ 1KW or 600GH @ ~350W.

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October 08, 2014, 05:49:21 PM
 #16

Why would they still make miners with such poor efficiency? I don't understand 1/1 w-ghash is not near competitive.

These chips will do significantly better, but manufacturers push them up to this rage because then you get 2x+ more $ for the same chip costs. If the firmware was good (and the board design allowed it), you would have the choice to run @ 1TH ~ 1KW or 600GH @ ~350W.
So is the firmware good enough (and board allow it?) to run 600GH@ 350w? That would be something worth looking into.

Also I don't see I don't see a price, I understand it would be hard to have a price on your reviews as they constantly change but do you happen to know what the current price is for this miner?

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October 08, 2014, 05:55:18 PM
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I'll have to give that one a try, mine is v722. Ever figure out the ssh user login and pw?

Nope

Chrooting into the image from the SDCard on a linux system will allow for the SSH password to be changed. I have not messed with it yet. But it might explain why AMT seemed to give a bunch of incorrect logins for SSH that did not work.

Seems like Joshua Zipkin knows he is hiding that info otherwise why disallow ssh access?

"amtminers scam joshua zipkin scammer"
-Joshua Zipkin leaked skype chats http://bit.ly/1s7U2Yb
-For bitcoin to succeed the community must police itself.
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October 08, 2014, 05:58:30 PM
 #18

As a former customer myself, I would STRONGLY urge you to stay away. AMT is already advertising these same exact miners on their site as 1.3Ths when they don't actually perform that way. And there will be no support as Joshua Zipkin has publicly made that matter clear in their second closed official thread. Not to mention that he has no technical skills. He farms the work out to other people, calls it a day after sales.

Read up on AMT hell do a google search you will see it is not worth buying from them. Spend your money with bitmain instead. They do great support and are responsive if there is a problem with your hardware. There are plenty of horror stories from AMT here on these forums.

Why would they still make miners with such poor efficiency? I don't understand 1/1 w-ghash is not near competitive.

These chips will do significantly better, but manufacturers push them up to this rage because then you get 2x+ more $ for the same chip costs. If the firmware was good (and the board design allowed it), you would have the choice to run @ 1TH ~ 1KW or 600GH @ ~350W.
So is the firmware good enough (and board allow it?) to run 600GH@ 350w? That would be something worth looking into.

Also I don't see I don't see a price, I understand it would be hard to have a price on your reviews as they constantly change but do you happen to know what the current price is for this miner?

"amtminers scam joshua zipkin scammer"
-Joshua Zipkin leaked skype chats http://bit.ly/1s7U2Yb
-For bitcoin to succeed the community must police itself.
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October 08, 2014, 06:07:22 PM
 #19

Why would they still make miners with such poor efficiency? I don't understand 1/1 w-ghash is not near competitive.

These chips will do significantly better, but manufacturers push them up to this rage because then you get 2x+ more $ for the same chip costs. If the firmware was good (and the board design allowed it), you would have the choice to run @ 1TH ~ 1KW or 600GH @ ~350W.
So is the firmware good enough (and board allow it?) to run 600GH@ 350w? That would be something worth looking into.

Also I don't see I don't see a price, I understand it would be hard to have a price on your reviews as they constantly change but do you happen to know what the current price is for this miner?

Firmware does allow clock switching but I've only tested as low as 1TH. Don't know on price.

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October 23, 2014, 02:44:09 PM
 #20

Why did this reviewer get a nice shiny one, and your all your customers got used pieces of dusty garbage? I was sent a miner, but the fans were used and do not work properly. The cards run extremely hot up to 67 degrees, so basically too hot to run the miner and not safe to use. There have also been reports of the cards failing. You tell me us to email sales@amtminers.com but no one replies. Can you please send me 3 new fans? This is the least you can do to get started on the right track. Ignoring your current customers is probably why you are not selling many miners.

If there is any law enforcement reading this thread, I have been sent 2 sabotaged miners by this company. The first one smashed to pieces with a hammer with non-working cards and the second with wires cut and used parts, missing power supply and all boards unplugged (ironically they did the same thing to me with the first one) ,Please contact me for all the evidence.

Again, here is the photo of the mis-matched used fans (also have wires cut) "they" sent me.  It seems there was no one checking the factory in China these were made in. Very poor service, please make a step in the right direction. It is not worth it for me to spend more money on all new fans, I already lost so much with AMT_Miners.



Here is the photo of the cut wire coming from the green fan, making the green fan only a 2 pin fan and therefor making it spin much slower. I guess I made this up too?


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