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Topic: BITMAIN Antminer S1 support and OverClocking thread - page 19. (Read 144941 times)

hero member
Activity: 857
Merit: 1000
Anger is a gift.
full member
Activity: 168
Merit: 100
I checked the Corsair 500 CXM I also bought and it is also the same. Here is a picture:

But looks like if I NEED to I can order this: http://www.amazon.com/Silverstone-Tek-Extension-Connector-PP07-PCIBG/dp/B00H45K3NS/
hero member
Activity: 857
Merit: 1000
Anger is a gift.
So I am getting my first Antminer tomorrow since UPS screwed up and didnt get it here today....I digress.

I bought this PSU http://www.newegg.com/Product/Product.aspx?Item=N82E16817182082 and it does have 2xPCIE connections, but on the same cable. Is that going to be okay?

No. You gotta have 2 separate cables. No Molex to PCIe either. You can start a fire by using just 1 PCIe cable. It is too much load for a single cable.

Hum... bummer. It does have a 1 x 4+4-Pin ATX12V/EPS12V Connector. Can I use that somehow by buying an adapter cable to PCIE?

Also, the power supply is rated for crossfire. 2xGPUs probably pull close if not more power than the antminer. A R9 290 pulls 336 watts when gaming.

That is pretty weird to have both PCIe connectors on one cable. I really cannot tell too much from the pic. You can try with one cable, but you need to watch it like a hawk and make sure it is not getting too hot. Read this whole post and you can see why using 1 cable is not advisable.
legendary
Activity: 966
Merit: 1003
Would anyone Know where I can get help with my Antminer U2+ ?
full member
Activity: 168
Merit: 100
So I am getting my first Antminer tomorrow since UPS screwed up and didnt get it here today....I digress.

I bought this PSU http://www.newegg.com/Product/Product.aspx?Item=N82E16817182082 and it does have 2xPCIE connections, but on the same cable. Is that going to be okay?

No. You gotta have 2 separate cables. No Molex to PCIe either. You can start a fire by using just 1 PCIe cable. It is too much load for a single cable.

Hum... bummer. It does have a 1 x 4+4-Pin ATX12V/EPS12V Connector. Can I use that somehow by buying an adapter cable to PCIE?

Also, the power supply is rated for crossfire. 2xGPUs probably pull close if not more power than the antminer. A R9 290 pulls 336 watts when gaming.
hero member
Activity: 857
Merit: 1000
Anger is a gift.
So I am getting my first Antminer tomorrow since UPS screwed up and didnt get it here today....I digress.

I bought this PSU http://www.newegg.com/Product/Product.aspx?Item=N82E16817182082 and it does have 2xPCIE connections, but on the same cable. Is that going to be okay?

No. You gotta have 2 separate cables. No Molex to PCIe either. You can start a fire by using just 1 PCIe cable. It is too much load for a single cable.
full member
Activity: 168
Merit: 100
So I am getting my first Antminer tomorrow since UPS screwed up and didnt get it here today....I digress.

I bought this PSU http://www.newegg.com/Product/Product.aspx?Item=N82E16817182082 and it does have 2xPCIE connections, but on the same cable. Is that going to be okay?
member
Activity: 107
Merit: 10
I overclocked my 2 S1 miners but for some reason they are not running at 200GH, I over clocked them on March 9th, do you guys think that this graph looks like a overclocked miners?

https://www.dropbox.com/s/sy7n1ugc7dcuigw/Graph.png
That does look a little bit low tbh. What you need to calculate is your HW error rate. If you've oc'd without any extra cooling then it's not going to run at 400Gh/s.

The temperature on one miner is 46, 48 and on the other miner is about 48, 49 for the each board, I'll post pictures when I get home of the miner status.

I am not using additional cooling.
Yeah, it's the heat that's going to do it. I suggest clocking them back to stock or only slightly faster until you get some extra cooling or you run the risk of damaging the chips.

P.S. of course it could be down to your PSU if it's not delivering enough power... what are you using?

I am using Corsair CS750M R, have 2 PSU's one for each miner.
sr. member
Activity: 266
Merit: 250
the top of this thread says to change new models to this:

however I don't have a '4e81' entry in my file - am I supposed to add the 4e81 entry?

Originally posted 'change to'
Code:
package 'cgminer'

config 'asic-freq' 'default'
        option 'freq_value'      '4f81'        #400M
        option 'chip_freq'     '400'
        option 'timeout'       '35'

        #option 'freq_value'      '4e81'        #375M
        #option 'chip_freq'     '375'
        #option 'timeout'       '37'

        #option 'freq_value'     '4d81'  #350M
        #option 'chip_freq'      '350'
        #option 'timeout'        '40'

        #option 'freq_value'    '4c81'  #325M
        #option 'chip_freq'     '325'
        #option 'timeout'       '40'

        #option 'freq_value'    '0b81'  #300M
        #option 'chip_freq'     '300'
        #option 'timeout'       '45'

        #option 'freq_value'    '0981'  #250M
        #option 'chip_freq'     '250'
        #option 'timeout'       '55'

        #option 'freq_value'    '0781'  #200M
        #option 'chip_freq'     '200'
        #option 'timeout'       '70'

        #option 'freq_value'    '4f02'  #193M
        #option 'chip_freq'     '193'
        #option 'timeout'       '70'


however - this is in the file of my brand new antminer:

Code:
package 'cgminer'

config 'asic-freq' 'default'
        #option 'freq_value'    '4f81'  #400M
        #option 'chip_freq'     '400'
        #option 'timeout'       '35'

        option 'freq_value'     '4d81'  #350M
        option 'chip_freq'      '350'
        option 'timeout'        '40'

        #option 'freq_value'    '4c81'  #325M
        #option 'chip_freq'     '325'
        #option 'timeout'       '40'

        #option 'freq_value'    '0b81'  #300M
        #option 'chip_freq'     '300'
        #option 'timeout'       '45'

        #option 'freq_value'    '0981'  #250M
        #option 'chip_freq'     '250'
        #option 'timeout'       '55'

        #option 'freq_value'    '0781'  #200M
        #option 'chip_freq'     '200'
        #option 'timeout'       '70'

        #option 'freq_value'    '4f02'  #193M
        #option 'chip_freq'     '193'
        #option 'timeout'       '70'

hero member
Activity: 616
Merit: 500
I got Satoshi's avatar!
I overclocked my 2 S1 miners but for some reason they are not running at 200GH, I over clocked them on March 9th, do you guys think that this graph looks like a overclocked miners?

https://www.dropbox.com/s/sy7n1ugc7dcuigw/Graph.png
That does look a little bit low tbh. What you need to calculate is your HW error rate. If you've oc'd without any extra cooling then it's not going to run at 400Gh/s.

The temperature on one miner is 46, 48 and on the other miner is about 48, 49 for the each board, I'll post pictures when I get home of the miner status.

I am not using additional cooling.
Yeah, it's the heat that's going to do it. I suggest clocking them back to stock or only slightly faster until you get some extra cooling or you run the risk of damaging the chips.

P.S. of course it could be down to your PSU if it's not delivering enough power... what are you using?
member
Activity: 107
Merit: 10
I overclocked my 2 S1 miners but for some reason they are not running at 200GH, I over clocked them on March 9th, do you guys think that this graph looks like a overclocked miners?

https://www.dropbox.com/s/sy7n1ugc7dcuigw/Graph.png
That does look a little bit low tbh. What you need to calculate is your HW error rate. If you've oc'd without any extra cooling then it's not going to run at 400Gh/s.

The temperature on one miner is 46, 48 and on the other miner is about 48, 49 for the each board, I'll post pictures when I get home of the miner status.

I am not using additional cooling.
hero member
Activity: 616
Merit: 500
I got Satoshi's avatar!
I overclocked my 2 S1 miners but for some reason they are not running at 200GH, I over clocked them on March 9th, do you guys think that this graph looks like a overclocked miners?

https://www.dropbox.com/s/sy7n1ugc7dcuigw/Graph.png
That does look a little bit low tbh. What you need to calculate is your HW error rate. If you've oc'd without any extra cooling then it's not going to run at 400Gh/s.
member
Activity: 107
Merit: 10
I overclocked my 2 S1 miners but for some reason they are not running at 200GH, I over clocked them on March 9th, do you guys think that this graph looks like a overclocked miners?

https://www.dropbox.com/s/sy7n1ugc7dcuigw/Graph.png
hero member
Activity: 692
Merit: 500
newbie
Activity: 52
Merit: 0
This thread is for support related discussions of the BITMAIN Antminer S2 hashing device

How to overclock your miner to 400MHz / 205GH/s

The miner will draw 500 - 525Watts after this setting

A) ssh into your miner

B) edit the following file
/etc/config/asic-freq

C) change timeout to 36, freq_value to '0780', 'chip_freq' to 400.


Is the 'chip_freq' parameter just for the reported frequency in the miner status GUI?

Yes that is what is seems to do. Smiley freq_value controls the actual frequency.

I don't know what this means or how to do it:
"B) edit the following file
/etc/config/asic-freq"

Can someone dumb it down for me please?
legendary
Activity: 1876
Merit: 1000
I overclocked this to 400 MHZ, but how would i underclock it to around 375 MHZ?

clear
cd /etc/config
mv asic-freq asic-freq.BitmaintechFactoryVersion
wget -O asic-freq http://dl.dropboxusercontent.com/s/u8thhaxuksnhlw0/asic-freq.400MHz
wget -O asic-freq.375MHz http://dl.dropboxusercontent.com/s/9yuq14py6sou2w3/asic-freq.375MHz
wget -O asic-freq.350MHz http://dl.dropboxusercontent.com/s/o8590pne9clm348/asic-freq.350MHz
chmod 664 asic-freq
chmod 664 asic-freq.3*
ls -la asic-freq*

I've tried this CMD from youtube to overclock to 400 mhz and it worked... but i'm trying to underclock it down to 375, the original instructions to this thread is also not working, MV codes aren't working because there aren't any asic freq files.

Any clues?

jtfr,  375 is still overclocked....  maybe just hit the reset button and go back to the original 350.. then you can just edit the asic-freq file, you will see other freq options commented out in the file...
newbie
Activity: 31
Merit: 0
I overclocked this to 400 MHZ, but how would i underclock it to around 375 MHZ?

clear
cd /etc/config
mv asic-freq asic-freq.BitmaintechFactoryVersion
wget -O asic-freq http://dl.dropboxusercontent.com/s/u8thhaxuksnhlw0/asic-freq.400MHz
wget -O asic-freq.375MHz http://dl.dropboxusercontent.com/s/9yuq14py6sou2w3/asic-freq.375MHz
wget -O asic-freq.350MHz http://dl.dropboxusercontent.com/s/o8590pne9clm348/asic-freq.350MHz
chmod 664 asic-freq
chmod 664 asic-freq.3*
ls -la asic-freq*

I've tried this CMD from youtube to overclock to 400 mhz and it worked... but i'm trying to underclock it down to 375, the original instructions to this thread is also not working, MV codes aren't working because there aren't any asic freq files.

Any clues?
sr. member
Activity: 267
Merit: 250
6th BTC reached. Thank you for your support
I am just curious, don't know why it would drop 1/2 of the hash.  anyone know? any ideas/
hero member
Activity: 818
Merit: 508
anyone know if the Antminer S1 can solo mine? whenever I tried to go solo, the hash drop from 180GHs to 90GHs and the second blades gives all 32 x in the status.

it works fine with I pool mine? anyone have any ideas?

Your not trying to mine any bitcoins, ha?  Solo mining with S1=shoot self in head.
sr. member
Activity: 267
Merit: 250
6th BTC reached. Thank you for your support
anyone know if the Antminer S1 can solo mine? whenever I tried to go solo, the hash drop from 180GHs to 90GHs and the second blades gives all 32 x in the status.

it works fine with I pool mine? anyone have any ideas?
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