Topic: ANTMINER S4 Discussion and Support Thread - page 134. (Read 301481 times)
Anyone want to try one of these on a ckpool (kano's or my solo pool) and see how they fare? We don't have user selectable diff at the moment but it's just out of interest.
I have 10 S4 running.
All stable at 2 TH/s, no problem with the firmware our psu.
All stable at 2 TH/s, no problem with the firmware our psu.
My S4 is also stable at 2 TH/s as well.
Did you update cgminer from 3.12.0 to 4.6.1?
What is your pool?
If you have any setting or configure recommendations, please let us know.
But the configure screen it is showing full 2th/s
But the configure screen it is showing full 2th/s
I just saw the second test - much higher DOA/Rejects - over 30%! That means they only hash at 2/3 capacity as the other 1/3 is wasted work.....
What settings are you using in cgminer?
What settings are you using in cgminer?
If you tell me what the standard cgminer settings are in the S4, particularly the "queue" parameter, - I will be able to suggest what needs changing in an effort to decrease the DOA/Reject rate & achieve the full 2Th/s. It is obvious from the many posts here that the hashrate on the webUI can be completely different from the poolside hashrate, so can't be trusted. Also, as my graph of your S4 on p2pool clearly shows, over 30% of the work done by the S4 on p2pool is being wasted - so until this is fixed, I strongly suggest that you remove your claim that the S4 is compatible with p2pool as not only is this not true, but it's also false advertising & will save you many complaints from users who purchase the S4 to use with p2pool.
I have 10 S4 running.
All stable at 2 TH/s, no problem with the firmware our psu.
All stable at 2 TH/s, no problem with the firmware our psu.
My S4 is also stable at 2 TH/s as well.
Did you update cgminer from 3.12.0 to 4.6.1?
I have 10 S4 running.
All stable at 2 TH/s, no problem with the firmware our psu.
All stable at 2 TH/s, no problem with the firmware our psu.
I nearly ordered one from Batch 1 glad I held off now!
overpriced miner, and now they are not even hashing to the speed they were telling you... looks like the S3 first batch. It suck that those company are probably hashing with your machine and give them to you once they have been paid off... you can see the network hashrate dropping alot when those are shipping.
yup during shipping hashrate was like 30-40 ph/s lower 240-244 now 272 
and diff gonna jump now was looking good for a negative until last 2 days
overpriced miner, and now they are not even hashing to the speed they were telling you... looks like the S3 first batch. It suck that those company are probably hashing with your machine and give them to you once they have been paid off... you can see the network hashrate dropping alot when those are shipping.
I've tried updating the firmware on the S4 and I get a SD directory omitting error.
S4 is not hashing correctly with elgius, so I moved back to ghash.io and set worker difficulty to 2048.
Hashrate at the pool fluctuates between 1.85 and 2.05 Th/s in the last 24 hours. Noticing ghash keeps redirecting me to uk1 and uk2...will test with us servers.
S4 is not hashing correctly with elgius, so I moved back to ghash.io and set worker difficulty to 2048.
Hashrate at the pool fluctuates between 1.85 and 2.05 Th/s in the last 24 hours. Noticing ghash keeps redirecting me to uk1 and uk2...will test with us servers.
Use the link previously posted several times in this thread for the latest firmware without the "SD omitting error"
this one:
https://dl.dropboxusercontent.com/u/24462711/initramfs.bin.SD-20141003-1.tar.gz
It will update cgminer from 3.12.0 to cgminer 4.6.1
It does NOT fix the difficulty issue.
Setting your difficulty manually at the pool you are using to 2048 is still recommended strongly.
Just to keep all of you guys safer, the e-mailed version's MD5 is...
MD5: 506A7AEACC0FF853A351AC3B20ABB1AF
Can test the MD5 after download by using one of the free software.
http://sourceforge.net/projects/quickhash/?source=typ_redirect
MD5: 506A7AEACC0FF853A351AC3B20ABB1AF
Can test the MD5 after download by using one of the free software.
http://sourceforge.net/projects/quickhash/?source=typ_redirect
My machine is running great with the new cgminer and pools that allow specifying 2048 diff. Pool is reporting 2.15TH/s 1 hour average, and the miner is using 0.66w/GH at the wall overclocked to 225MHz and slightly undervolted from 0.725v to 0.720v. I'm happy.
S4 buyers, do you finally accept that you are suckers ? 
2nd test:
Worse than the first - over 30% DOA/Rejects!!!
Bitmain - please tell me what cgminer settings you are using, maybe I can help you.........?
Worse than the first - over 30% DOA/Rejects!!!
Bitmain - please tell me what cgminer settings you are using, maybe I can help you.........?
Look forward to seeing the results 
And here they are:
My DOA/Reject rate instantly climbed from less than 2% to over 18% with the addition of your S4 before you switched it off prematurely
It would have been a more accurate test of your S4 with p2pool if you had kept it running for the full 10 minutes - but as we can clearly see by the graph, the S4 does not work efficiently with p2pool, as you wrongly stated earlier with your 1 minute screen. It also didn't get anywhere near 2Th.
I was under the impression that Bitmain was doing some major development with their hardware & it's problem with p2pool - but this miner seems to be a bigger version of the poorly performing S2 with p2pool I'm afraid.
Can you tell me what settings you were using in cgminer?
IYF.
Replied questions:
1. S4 is compatible with p2pool?
Yes
2. When do we release the latest firmware?
Engineers have released one version of firmware merged cgminer 4.6.1 today, which is now being tested. And we will upload it to bitmaintech.com when it is tested running stably.
Please PM us if you have any request about current verson firmware.
3. how to upgrade latest firmware to S2?
Now the latest firmware for S3 and S4 is ready to be released soon, that one for S2 is being developed. Stay tuned here.
1. S4 is compatible with p2pool?
Yes
2. When do we release the latest firmware?
Engineers have released one version of firmware merged cgminer 4.6.1 today, which is now being tested. And we will upload it to bitmaintech.com when it is tested running stably.
Please PM us if you have any request about current verson firmware.
3. how to upgrade latest firmware to S2?
Now the latest firmware for S3 and S4 is ready to be released soon, that one for S2 is being developed. Stay tuned here.
So, in reality:
1. S4 is compatible with p2pool?
NO
2. When do we release the latest firmware?
Engineers have released one version of firmware merged cgminer 4.6.1 today, which is now being tested. And we will upload it to bitmaintech.com without testing it at all to make sure it works & is flashable.
3. how to upgrade latest firmware to S2?
7 weeks ago we said in 2 weeks. So in in 2 weeks.
I've tried updating the firmware on the S4 and I get a SD directory omitting error.
S4 is not hashing correctly with elgius, so I moved back to ghash.io and set worker difficulty to 2048.
Hashrate at the pool fluctuates between 1.85 and 2.05 Th/s in the last 24 hours. Noticing ghash keeps redirecting me to uk1 and uk2...will test with us servers.
S4 is not hashing correctly with elgius, so I moved back to ghash.io and set worker difficulty to 2048.
Hashrate at the pool fluctuates between 1.85 and 2.05 Th/s in the last 24 hours. Noticing ghash keeps redirecting me to uk1 and uk2...will test with us servers.
I just switched from eligius to ghash.io and set the difficulty to 4096, and I'm getting 1.85TH/s pool-side. Closest I've gotten yet.
Look forward to seeing the results
And here they are:
My DOA/Reject rate instantly climbed from less than 2% to over 18% with the addition of your S4 before you switched it off prematurely
It would have been a more accurate test of your S4 with p2pool if you had kept it running for the full 10 minutes - but as we can clearly see by the graph, the S4 does not work efficiently with p2pool, as you wrongly stated earlier with your 1 minute screen. It also didn't get anywhere near 2Th.
I was under the impression that Bitmain was doing some major development with their hardware & it's problem with p2pool - but this miner seems to be a bigger version of the poorly performing S2 with p2pool I'm afraid.
Can you tell me what settings you were using in cgminer?
IYF.
Possibly. An hour later, I'm only getting about 1.25TH/s
I don't see anywhere in eligius where to set this. Can I set it on cgminer?
You have to set it at the pool, BTCguild and Ghash have the option for sure.
Looks like you may have nailed it though
Hopefully with that information Bitmain can push another firmware relatively quickly
Well, I figured out at least one problem: my S4 was configured totally wrong from the factory. It looks like the firmware was re-used from an S2 machine or something:
in /config/asic-freq.config:
option 'freq_value' '0781' #200M
option 'chip_freq' '200'
option 'timeout' '80'
This is not even remotely correct. 0781 isn't a valid value for anything according to the S4 manual, and the timeout is way too high. The manual says for 200MHz, timeout should be 20ms. So I changed it to:
option 'freq_value' '0782' #200M
option 'chip_freq' '200'
option 'timeout' '20'
Then rebooted the S4, and now my Diff1 on Eligius climbed from 256 to 512, to 1.02k, and my hashrate is climbing as well. After 2 minutes, it's now above 1.2TH/s when it used to show only like 50Gh/s. I'll update in a few hours on the status, but things are looking much better.
in /config/asic-freq.config:
Code:
option 'freq_value' '0781' #200M
option 'chip_freq' '200'
option 'timeout' '80'
This is not even remotely correct. 0781 isn't a valid value for anything according to the S4 manual, and the timeout is way too high. The manual says for 200MHz, timeout should be 20ms. So I changed it to:
Code:
option 'freq_value' '0782' #200M
option 'chip_freq' '200'
option 'timeout' '20'
Then rebooted the S4, and now my Diff1 on Eligius climbed from 256 to 512, to 1.02k, and my hashrate is climbing as well. After 2 minutes, it's now above 1.2TH/s when it used to show only like 50Gh/s. I'll update in a few hours on the status, but things are looking much better.
I don't see anywhere in eligius where to set this. Can I set it on cgminer?
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