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Topic: BITMAIN Antminer S3 support and OverClocking thread - page 30. (Read 158132 times)

legendary
Activity: 4242
Merit: 8515
'The right to privacy matters'
legendary
Activity: 1161
Merit: 1001
Don`t invest more than you can afford to lose
hey guys i have been having some problems with my s3's on ghash. they seem to be having a very high amount of low difficulty share's difficulty is set at 256 but the hashrate displays incorrectly most of the time from the s3's but not my s1's

Best advice, try a different pool....


Try P2Pool. Like the one in his signature. Starts slow, but it's a really good payoff in the end.

Have you resolved your problem?
full member
Activity: 120
Merit: 100
Finally got this setup finished. Built a custom server room in my pole barn to house all the ants. I figured they would run nice n cool with a small air conditioned room and the ants exhausted out the back. but that doesn't look like the case. I'm seeing temps on most of them up around 47 and 48 degrees even with the ac on high. I'm not sure if it's because all the PSU's are so close to the ants that it's sucking in the warm exhaust from the psu's, or just need a bigger AC, or maybe something wrong with the airflow of the room. The ants are creating suction in the small room, so much it whams the door shut and there is a noticeable difference in the sounds the fans are making while the door is open vs the door being shut. When it's shut it sounds like a vacuum when you put your hand over the hose. Is 47-48 not OCed still acceptable or should I worry about getting them down and suggestions on doing that which doesn't require moving the Ants.  Undecided

I think the room is supposed to be sealed instead of having ants pull air off it. Your ants should warm the room while the AC cools it back  keeping the set temperature.



The room has a problem in that The AC cannot pump air in at the same rate as the Antminers pump it out.  Hence why the fans struggle.  The AC isn't doing the job, and with that many fans you don't need AC to have a nice breeze.   Just open up the vents instead, and hey presto.

Also, try to work out a way to pump all that lovely hot air into your home.  I'm quite serious.  Why waste warmed air and burn fuel to heat your home instead?

"The room has a problem in that The AC cannot pump air in..."
This AC Unit does not PUMP AIR into rooms, it recirculates the air in the room.

It is simple logic going on here, his S3's are blowing air out of the room leaving the room with LESS air aka a vacuum.
The S3's exhausts should be blowing inside the room not outside the room. then the AC Unit pulls in the hot air cools it down blowing out cool air.

To fix this properly he needs to pull all the s3's forward and close up those exhaust holes. then he needs to figure out the most efficient air flow. the S3's are going to dictate all the air in the room circulates in the direction their back fan are pointing, while the AC Unit is trying to circulate the air outward from it and back in. so the most efficient setup is not having them fight for flow but joining the flow.




So you'd rather heat the room up, then spend energy cooling it down? That's VERY wasteful.

I'd shut down the Air-con, open a window, enjoy the breeze, and then pump the naturally warmed up air from the miners into my house. Thermodynamically it's much more efficient.
sr. member
Activity: 280
Merit: 250
Brainwashed this way
Switch out cables inside miner with good ones from other miner. If still problem, switch out controller with good one. If still problem, you have a bad blade.
Also tighten screws on heatsink. Bitmain will email telling you what I'm telling you so troubleshoot now and ask for RMA on broken part when they answer. This will be the fastest way. They will have you ship broken part to them and then ship new part to you.
newbie
Activity: 2
Merit: 0
Hiya guys,

Im having an issue with one of my Batch 5 ant miner - one side of the ASIC chips are not working correctly - showing all xx's across the board.
The others i have work fine, I've opened the machine and everything looks good to my eye!

I have emailed bitmaintech a few times since delivery but no reply, any idea if they will actually reply or should i cut my losses, and ditch this company as a supplier for me?

any help on a fix would be great as i doubt ill have a reply from bit main tech!

Cheers guys!
hero member
Activity: 569
Merit: 500
Finally got this setup finished. Built a custom server room in my pole barn to house all the ants. I figured they would run nice n cool with a small air conditioned room and the ants exhausted out the back. but that doesn't look like the case. I'm seeing temps on most of them up around 47 and 48 degrees even with the ac on high. I'm not sure if it's because all the PSU's are so close to the ants that it's sucking in the warm exhaust from the psu's, or just need a bigger AC, or maybe something wrong with the airflow of the room. The ants are creating suction in the small room, so much it whams the door shut and there is a noticeable difference in the sounds the fans are making while the door is open vs the door being shut. When it's shut it sounds like a vacuum when you put your hand over the hose. Is 47-48 not OCed still acceptable or should I worry about getting them down and suggestions on doing that which doesn't require moving the Ants.  Undecided

I think the room is supposed to be sealed instead of having ants pull air off it. Your ants should warm the room while the AC cools it back  keeping the set temperature.



The room has a problem in that The AC cannot pump air in at the same rate as the Antminers pump it out.  Hence why the fans struggle.  The AC isn't doing the job, and with that many fans you don't need AC to have a nice breeze.   Just open up the vents instead, and hey presto.

Also, try to work out a way to pump all that lovely hot air into your home.  I'm quite serious.  Why waste warmed air and burn fuel to heat your home instead?

"The room has a problem in that The AC cannot pump air in..."
This AC Unit does not PUMP AIR into rooms, it recirculates the air in the room.

It is simple logic going on here, his S3's are blowing air out of the room leaving the room with LESS air aka a vacuum.
The S3's exhausts should be blowing inside the room not outside the room. then the AC Unit pulls in the hot air cools it down blowing out cool air.

To fix this properly he needs to pull all the s3's forward and close up those exhaust holes. then he needs to figure out the most efficient air flow. the S3's are going to dictate all the air in the room circulates in the direction their back fan are pointing, while the AC Unit is trying to circulate the air outward from it and back in. so the most efficient setup is not having them fight for flow but joining the flow.

full member
Activity: 150
Merit: 100
hey guys i have been having some problems with my s3's on ghash. they seem to be having a very high amount of low difficulty share's difficulty is set at 256 but the hashrate displays incorrectly most of the time from the s3's but not my s1's

Which one is your S3's? You should consider using different individual worker names if its worker7.   I have seen people have issues combining workers on pools which set difficulty for individual miners.

I thought the S3 didnt initially have any p2pool support in the first firmware, and the second firmware was largely cosmetic.

If you guys want people off ghash and on to p2pool, it might help to give people a gentle nudge in the right direction.  Just sayin.

Rich
full member
Activity: 168
Merit: 100
hey guys i have been having some problems with my s3's on ghash. they seem to be having a very high amount of low difficulty share's difficulty is set at 256 but the hashrate displays incorrectly most of the time from the s3's but not my s1's

Best advice, try a different pool....


Try P2Pool. Like the one in his signature. Starts slow, but it's a really good payoff in the end.
legendary
Activity: 1258
Merit: 1027
hey guys i have been having some problems with my s3's on ghash. they seem to be having a very high amount of low difficulty share's difficulty is set at 256 but the hashrate displays incorrectly most of the time from the s3's but not my s1's

Best advice, try a different pool....
legendary
Activity: 964
Merit: 1000
hey guys i have been having some problems with my s3's on ghash. they seem to be having a very high amount of low difficulty share's difficulty is set at 256 but the hashrate displays incorrectly most of the time from the s3's but not my s1's
newbie
Activity: 18
Merit: 0
I have 2 questions about the Antminer:


1. Does it matter if i only use 2 powerplugs instead of 4?

2. currently my miner only hashes at max 200GH/S is this due to the power or should i check the some other things?

Thnx in advanced
full member
Activity: 150
Merit: 100
Here is the asic-freq file I made.  

I tried to make the wattage close to what you would expect on an 80 Plus Gold power supply.

It would be cool if this format could be adopted and expanded upon with additional tested frequencies and re-posted regularly to this thread using the forum code tags.

What do you guys think?

* Edit: Make sure you convert line endings to Unix format if on windows.  I just copied from forum into notepad++ and it showed "carriage returns".  I haven't tested this file with windows line endings.  I would expect that the forum code tags should retain proper line endings, but alas, they didn't.   Not sure if it would make the bitmain scripts puke or not, haven't tested it..  You guys are all big boys, I just thought I'd mention it.   Grin
 
Code:
package 'cgminer'

config 'asic-freq' 'default'

#option 'freq_value'    '0982'  #502Gh/s 402W
#option 'chip_freq'     '250'
#option 'timeout'       '16'

#option 'freq_value'    '1306'  #490Gh/s 385W
#option 'chip_freq'     '243.75'
#option 'timeout'       '16'

#option 'freq_value'    '0902'  #478Gh/s 367W
#option 'chip_freq'     '237.5'
#option 'timeout'       '17'

#option 'freq_value'    '1206'  #465Gh/s 356W
#option 'chip_freq'     '231.25'
#option 'timeout'       '17'

#option 'freq_value'    '0882'  #452Gh/s 346W
#option 'chip_freq'     '225'
#option 'timeout'       '18'

option 'freq_value'    '1106'  #441Gh/s 340W
option 'chip_freq'     '218.75'
option 'timeout'       '18'

#option 'freq_value'    '0802'  #427Gh/s 329W
#option 'chip_freq'     '212.5'
#option 'timeout'       '19'

#option 'freq_value'    '1006'  #414Gh/s 319W
#option 'chip_freq'     '206.25'
#option 'timeout'       '19'

#option 'freq_value'    '0782'  #402Gh/s 310W
#option 'chip_freq'     '200'
#option 'timeout'       '20'

#option 'freq_value'    '1f07'  #396Gh/s 301W
#option 'chip_freq'     '196.875'
#option 'timeout'       '20'

#option 'freq_value'    '0f03'  #389Gh/s 296W
#option 'chip_freq'     '193.75'
#option 'timeout'       '21'

#option 'freq_value'    '0d83'  #352Gh/s 268W
#option 'chip_freq'     '175'
#option 'timeout'       '23'

#option 'freq_value'    '0b83'  #301Gh/s 228W
#option 'chip_freq'     '150'
#option 'timeout'       '27'

#option 'freq_value'    '0983'  #251Gh/s 191W
#option 'chip_freq'     '125'
#option 'timeout'       '32'

#option 'freq_value'    '0783'  #201Gh/s 154W
#option 'chip_freq'     '100'
#option 'timeout'       '40'
legendary
Activity: 4242
Merit: 8515
'The right to privacy matters'
newbie
Activity: 8
Merit: 0
Does anyone have any information about the JDH1238B fan used on the S3? Specifically Air Flow CFM and Noise Level dbA.

I'm looking to replace them with something quieter if possible.

Thanks

they move 90-105 cfm.  the high end 30 a piece deltas move 210 cfm.  so if you buy them and turn down the rpm they will be quieter.  wait for link,


these can be found for less.


http://www.frozencpu.com/products/9321/fan-581/Delta_120_x_38mm_Ultra_High-Speed_PWM_Fan_-_21038_CFM_QFR1212GHE-PWM.html?tl=c365s935b113&id=mPpv8As6


they are 4 pin and will run slower then 2000 rpm and still move more air then stock.

most other solutions are meh.  but someone may find a better one for you.

I actually ended up installing a couple of these: http://www.scan.co.uk/products/140mm-silverstone-sst-fhp141-140x140x38mm-fhp-series-black-case-fan

They are 140x38mm with 120mm mounts, they overhang the bottom of the S3, but not by much. The device runs a few degrees warmer, but they're hella quiet and they have a high WAF rating Smiley
full member
Activity: 120
Merit: 100
Finally got this setup finished. Built a custom server room in my pole barn to house all the ants. I figured they would run nice n cool with a small air conditioned room and the ants exhausted out the back. but that doesn't look like the case. I'm seeing temps on most of them up around 47 and 48 degrees even with the ac on high. I'm not sure if it's because all the PSU's are so close to the ants that it's sucking in the warm exhaust from the psu's, or just need a bigger AC, or maybe something wrong with the airflow of the room. The ants are creating suction in the small room, so much it whams the door shut and there is a noticeable difference in the sounds the fans are making while the door is open vs the door being shut. When it's shut it sounds like a vacuum when you put your hand over the hose. Is 47-48 not OCed still acceptable or should I worry about getting them down and suggestions on doing that which doesn't require moving the Ants.  Undecided

I think the room is supposed to be sealed instead of having ants pull air off it. Your ants should warm the room while the AC cools it back  keeping the set temperature.



The room has a problem in that The AC cannot pump air in at the same rate as the Antminers pump it out.  Hence why the fans struggle.  The AC isn't doing the job, and with that many fans you don't need AC to have a nice breeze.   Just open up the vents instead, and hey presto.

Also, try to work out a way to pump all that lovely hot air into your home.  I'm quite serious.  Why waste warmed air and burn fuel to heat your home instead?
full member
Activity: 120
Merit: 100
Antminer S3 manual says pools can be setup in three ways, Failover, Balance, Load Balance.
As per my understanding, Failover is as earlier in S1 and it priorities pools from the top to bottom.
The Balance as per manual is to share the mining power to each pools equally.
Now comes to the Load Balance or Quota based.
Anyone knows how the Load Balance and Balance configured The manual says "Change multipool strategy from failover to quota based balance".
But there is no place to enter quota to each pool. I interpreted wrong or I'm missing something?

Does anyone have an answer to this one yet?  Quotas look interesting, but I just can't see how you set them.
sr. member
Activity: 294
Merit: 251
my new S3 looks like will OC great. stock is 440 GH/s Smiley
newbie
Activity: 4
Merit: 0
(...) using only one wire bundle gets very warm, so I think over time, this is a problem, so I connected two. (...)

Same happens on the PCB - it gets warm. Told you it will happen Smiley This is exactly the reason why you should have four cables, not just two - high amperage will heat the wires/connectors.
newbie
Activity: 22
Merit: 0
Is there anyone here that can post what PSU they have and if its powering an overclocked antminer s3?
I am a dumb girl that can't figure out this whole PSU situation
I can't choose between a CX500, CX600 or CX750 per antminer.
The cost between those power supplies are quite a bit for me.
HELP!

WHAT CONFUSES ME IS THAT SOME PEOPLE SAY I SHOULD GET A PSU WITH 4 SEPERATE PCI-E connections.
SOME PEOPLE SAY THE ANTMINER S3 will overclock well on 2 SEPERATE PCI-E CONNECTIONS.

I can't choose!

I only have two AntMiner S3's. With them OC'd to 250Mhz, using only one wire bundle gets very warm, so I think over time, this is a problem, so I connected two. I am using SVGA Supernova NEX650 G1's, one per miner and had hoped to do 1-1/2 miners per PSU.

A good guide is here.
https://bitcointalksearch.org/topic/guide-dogies-comprehensive-power-supply-analysis-486121

I used this guys video too.

https://www.youtube.com/watch?v=iuBvGUT6VM8

I know it is the S1, but it has similar requirements, and his information helps make a choice.

Since I cannot get 1-1/2 miners per PSU, I will probably upgrade to something with more capability or downgrade to something cheaper.
newbie
Activity: 27
Merit: 0
I've noticed one of my units is just bad. Hard to maintain 400-450gh/s with anywhere between 212-250. I've tried the old and new values, above 225 I will get a X on chip.

I'll have to play with 212-218 and hope I can get over 400gh/s
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