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norgan
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January 11, 2015, 11:46:35 AM |
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Nice info, going to try this out and report back
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"This isn't the kind of software where we can leave so many unresolved bugs that we need a tracker for them." -- Satoshi
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daddyfatsax
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January 11, 2015, 07:51:43 PM |
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Have you tried your mods on the new firmware peka?
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kabopar
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January 12, 2015, 11:03:55 AM |
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Pekatete,
Thanks for this thread. It tried it on 2 S1's upgraded to S3 with Bitmain's kits and 1 S3. They all seem to start mining significantly faster after any clock change with the voltage setting of 0750 than with the original (blank) setting. It also seems to make them more tolerant to higher clock rates. My S3 did not 'like' clock rates higher than 225 MHz. It is now stable at 231.25 MHz. I did not get a chance to make a comparison of power consumption.
I went back to the Oct 2014 f/w on all of these antminers.
Cheers
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pekatete (OP)
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January 12, 2015, 01:53:03 PM |
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Pekatete,
Thanks for this thread. It tried it on 2 S1's upgraded to S3 with Bitmain's kits and 1 S3. They all seem to start mining significantly faster after any clock change with the voltage setting of 0750 than with the original (blank) setting. It also seems to make them more tolerant to higher clock rates. My S3 did not 'like' clock rates higher than 225 MHz. It is now stable at 231.25 MHz. I did not get a chance to make a comparison of power consumption.
I went back to the Oct 2014 f/w on all of these antminers.
Cheers
You are welcome. The voltage setting seems to work brilliantly with the S1 to S3 rigs and S3+ rigs but not very well with S3 rigs ... must be something to do with the regulators they used. As for firmware, I agree too that the best to use for setting voltage, in my experience, is the Oct 2014 firmware. Happy mining! |
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chrisnodiesel
Newbie
 Offline
Activity: 1
Merit: 0
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January 13, 2015, 07:25:28 PM |
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Have you tried your mods on the new firmware peka?
Hi all, I'm new to this board and enjoyed being readonly here for some time. Owning a S3+ that suffered degradation to 50KH/s I did an upgrade to latest Firmware. Currently the rig is doing well: at 0,75V and 250MHz: - Running for 21h now
- Average Performance of 500.80 GHz/s
- 806 HW Errors (0.0097% of Diff1#)
- Temperature 41°/42°C
- no performance degradation yet
Kind Regards Chris |
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rpandassociates
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January 15, 2015, 12:55:06 AM |
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what is the filename of the 10/24/2014 firmware I see alot of references to it but no one names the filename and it is not sorted by date on the antminer site.
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rpandassociates
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January 15, 2015, 02:09:05 AM |
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the new firmware sucks  antMiner_S320150109.bin is causing crazy HW errors now I am getting 50+ HW in 1 hr and the past i was getting like 8 for 24hrs+ This stuff is garbage. |
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rpandassociates
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January 15, 2015, 03:06:55 AM |
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okay so i tried going back to a earlier firmware antMiner_S320141013.bin and i get this when i try to enter the miner configuration or status page Ugh... looks like i am stuck with this new crappy HW error firmware it tells me to modify voltage but then wont let me into the configuration page XML Parsing Error: not well-formed Location: http://192.168.1.99/cgi-bin/luci/;stok=2ea100503df2fb12cd124476c867299a/admin/status/miner/ Line Number 348, Column 34: Modify voltage and Save&Apply, then need to Power off and Restart -------------------------------------------------------------^ |
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pekatete (OP)
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January 15, 2015, 03:12:20 AM |
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Read the opening post on how to fix that error. |
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rpandassociates
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January 15, 2015, 03:18:09 AM |
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I dont see anythinig in regards to that, do i need to putty in ? and if so what do i change the voltages to? Can i change them via the new firmware configuration panel (instead of putty) then PSU reboot it then apply the older firmware? What is the best firmware? everyone says october but no one gives a filename  When it failed with that error i put the new firmware back on , but my issue is degredation is hashrate and high HW with this new firmware.. ugh |
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pekatete (OP)
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January 15, 2015, 03:24:20 AM |
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I dont see anythinig in regards to that, do i need to putty in ? and if so what do i change the voltages to? Can i change them via the new firmware configuration panel (instead of putty) then PSU reboot it then apply the older firmware? What is the best firmware? everyone says october but no one gives a filename When it failed with that error i put the new firmware back on , but my issue is degredation is hashrate and high HW with this new firmware.. ugh The best (in my opinion, use at your own risk!) October firmware was removed from the bitmain site, but it is the one with the error on the configuration page. The OP has instructions on how to fix the error, however, if you've already reverted then that may be moot. There's also a link in this thread that I posted where a user shared a link to the above mentioned firmware, but like the fix to its error (in the OP), all you need to do is read the thread, it is not that long! |
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rpandassociates
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January 15, 2015, 04:37:48 AM |
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ahh much better So while still using the new firmware heres what i did entered default frequency setting set voltage to 0720 save & Apply Reboot via PSU switch Logged back in restored that 10/24 firmware from that link Unchecked keep settings. Logged back in setup DHCP reset frequency to 250mhz left voltage alone And what do you know right back to 505GHs with 0 HW errors damn their new firmware I dont think i will be upgrading that again. So what version of cgminer is this 10/24 firmware using? |
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pekatete (OP)
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January 15, 2015, 12:59:37 PM |
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So what version of cgminer is this 10/24 firmware using?
Good you've got back up and running to your heart's content! I am not sure what version of cgminer ships with that firmaware, however, you can get it by logging into the rig via SSH and entering the command: That will show you the version you are running. |
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norgan
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January 20, 2015, 01:36:47 AM |
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Here I was thinking this doesn't work when I thought I'd try it on my other S3+. Setting to 262.5 (because I don't dare go higher without extra pcie cables) I am getting 540Gh/s out of it @ 40 Celsius and 0.0062% error rate. My other S3 can only muster 460Gh/s at 231.25Mhz any higher and the has rate drops and I get an x on one of the asics
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rpandassociates
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January 24, 2015, 02:47:34 AM |
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not sure if this implicates anything but just wanted to throw it out there The c1 uses a stock setting of 250mhz @ 0760 voltage setting Does that tell us anything in relation to the S3 and S3+'s? This is the default bitmain setting for the C1 just some food for thought  |
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echo00114
Member
Offline
Activity: 72
Merit: 10
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February 24, 2015, 01:13:54 PM |
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hello
my question what the correct syntax the voltage settings
0.75 v = 0750 ? on s3+ web interface ?
and what the default voltage 0.72 ?
sorry my lame question ?
thanx
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pekatete (OP)
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February 24, 2015, 01:33:07 PM |
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hello
my question what the correct syntax the voltage settings
0.75 v = 0750 ? on s3+ web interface ?
and what the default voltage 0.72 ?
sorry my lame question ?
thanx
Yep, that is the syntax, 0.75v would be 0750 The default setting for the latter firmware, I believe, was 0000 i.e auto voltage but the base voltage prior to cgminer 4.6.1 was (again I believe) 0725 |
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echo00114
Member
Offline
Activity: 72
Merit: 10
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February 27, 2015, 02:25:40 PM |
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hello
my question what the correct syntax the voltage settings
0.75 v = 0750 ? on s3+ web interface ?
and what the default voltage 0.72 ?
sorry my lame question ?
thanx
Yep, that is the syntax, 0.75v would be 0750 The default setting for the latter firmware, I believe, was 0000 i.e auto voltage but the base voltage prior to cgminer 4.6.1 was (again I believe) 0725 hi thanx the answer i will try . and i look my s3+ cgminer, ver 4.7.0 the voltage same 0725 default ? bye |
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adaseb
Legendary
Offline
Activity: 3738
Merit: 1708
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March 18, 2015, 08:22:42 AM
Last edit: December 12, 2015, 09:04:19 PM by adaseb |
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With my 20140804 S3+ Build, changing the Voltage in the Advanced Settings does absolutely nothing.
First I verified the wattage from my Kill-A-Watt and any setting 0.75 0.80 0.85 resulted in the same reading.
Then I decided to measure the core voltage for each BM1382 mining chip. So I took apart the Antminer. I didn't have access to the bottom layer of chips without removing the heatsink so I just measured the voltages of the top chips. They were as follows
VDD1=0.781
VDD2=0.766
VDD3=0.770
VDD4=0.825
VDD5=0.775
VDD6=0.778
VDD7=0.824
VDD8=0.780
Decided to measure on my other blade on the other side and got
VDD1=0.822
VDD2=0.778
VDD3=0.781
VDD4=0.774
VDD5=0.777
VDD6=0.773
VDD7=0.773
VDD8=0.824
So I changed the voltage parameters in the settings, up and down and each and everytime I got the EXACT same voltage readings on the chips. Changin the frequency doesn't change the voltage. Bitmain cheaped out and used very cheap parts thats why some cores run at 0.822V and some run at 0.766V due to the tolerance of the resistors/capacitors.
I tried 2 different firmwares. Dec 19th and Oct 24th and same results.
Also noticed how badly assembled some units are. I am lucky these capacitors are connected in parallel and the bad seating doesn't affect their operation.
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