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Author Topic: BITMAIN Antminer S1 support and OverClocking thread  (Read 143989 times)
Aurum
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June 22, 2014, 05:17:46 PM
 #821

I have a problem with my Antminer S2 (Batch 4) hoping someone has an idea.
After powering it I was able to access it and enter network & mining configuration.
The miner started to work, after some minutes it beeped and turned off.
Although I unplugged all power cables, plugged them in again it does not turn on again.

Does anyone have an idea what can be wrong? I assume it is the PSU since after switching it on it stay absolutely nothing happens.
I would appreciate any suggestions.
Regards

1. Have you updated to the latest firmaware initramfs.bin.SD-20140619.tar Huh

2. Are all 4 big fans spinning when you power on  Huh
I've had to simply disassemble the S2s and giggle the wires on the fans and put them back. Also I've had the 6-pin PCIe connectors back out and loose connection because they were not clicked all the way in.

3. The PSU they ship is not up to the task, especially if it's hot or you're overclocking. I replaced all mine with Corsair AX1200s.

Good luck

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Aurum
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June 22, 2014, 05:23:29 PM
 #822

The formula for HW % is HW/(diffA+diffR+HW)*100  correct?  

I assume it looks more like HW/((diffA+diffR+HW)*100)  given that multiplication comes before division.
never wrote it down I just use a website. http://www.coincadence.com/antminer-s1-hardware-error/
Formula: Error % = HW / ( HW + DiffA + DiffR) * 100

Thanks. That's a great tool.  This is rather disheartening however.  Any attempt at overclocking results in at least 14% HW errors.

Why ignore DiffS ? I use: Error % = 100 x HW / (HW + DiffA + DiffR + DiffS)

I can OC all 35 of my S1s to 375, a few to 387 and a couple to 393. Anything higher does not work.

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June 22, 2014, 11:41:52 PM
 #823



From the Antminer U1 overclock manual.

Let's see the example of why 0780 and 4F81 are 400MHz.

HEX                   BINARY                          15/BS         M                               N                            OD
0780                 0000  0111  1000  0000       00          00 0111 1   = 15          000 00  = 0              00 = 0 which NO=1
4F81                 0100  1111  1000  0001       01          00 1111 1   = 31          000 00  = 0              01 = 1 which NO=2
5F82                 0101  1111  1000  0010       01          01 1111 1   = 63          000 00  = 0              10 = 2 which NO=4

Fout = 25 * (M+1) / ((N+1)*NO)

Fout(0780) = 25 * (15+1) / (1*1) = (25*16)/1 = 400 MHz
Fout(4F81) = 25 * (31+1) / (1*2) = (25*32)/2 = 400 MHz
Fout(5F82) = 25 * (63+1) / (1*4) = (25*64)/4 = 400 MHz

Actually, 5F82 is also 400 MHz, but due to the instruction below 500 <= Fout * NO <=1000
Fout(5F82) = 400MHz, therefore,  Fout*4 = 1600 and over 1000.

So I think I should not config 5F82 for 400MHz, according to this manual.
I don't say that it does not work (I tried it before understanding the HEX, it worked)
but you have also another 2 freq_values which give you the same MHz and get along with the instruction in the manual.

Any questions are welcome.
What would be some FOUTs to fill out this little table  Huh  E.g., 222.5, 220, and/or 217.5. TIA

option 'freq_value'    '0881'  #225M
option 'chip_freq'     '225'

option 'freq_value'    '5102'  #219M
option 'chip_freq'     '218.75'

#option 'freq_value'    '6206'  #216M
#option 'chip_freq'     '215.625'

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June 27, 2014, 10:57:17 AM
 #824

What would be some FOUTs to fill out this little table  Huh  E.g., 222.5, 220, and/or 217.5. TIA

All possible values:

Code:
chip_freq timeout freq_value(s)
  37.50 373 0583, 0b87
  39.06 358 0c07
  40.62 344 0603, 0c87
  42.19 331 0d07
  43.75 320 0683, 0d87
  45.31 308 0e07
  46.88 298 0703, 0e87
  48.44 289 0f07
  50.00 280 0783, 0f87
  51.56 271 1007
  53.12 263 0803, 1087
  54.69 256 1107
  56.25 248 0883, 1187
  57.81 242 1207
  59.38 235 0903, 1287
  60.94 229 1307
  62.50 224 0983, 1387, 4983, 5387
  64.06 218 1407, 5407
  65.62 213 0a03, 1487, 4a03, 5487
  67.19 208 1507, 5507
  68.75 203 0a83, 1587, 4a83, 5587
  70.31 199 1607, 5607
  71.88 194 0b03, 1687, 4b03, 5687
  73.44 190 1707, 5707
  75.00 186 0582, 0b83, 0b86, 1787, 4b83, 5787
  76.56 182 5807
  78.12 179 0c06, 4c03, 5887
  79.69 175 5907
  81.25 172 0602, 0c86, 4c83, 5987
  82.81 169 5a07
  84.38 165 0d06, 4d03, 5a87
  85.94 162 5b07
  87.50 160 0682, 0d86, 4d83, 5b87
  89.06 157 5c07
  90.62 154 0e06, 4e03, 5c87
  92.19 151 5d07
  93.75 149 0702, 0e86, 4e83, 5d87
  95.31 146 5e07
  96.88 144 0f06, 4f03, 5e87
  98.44 142 5f07
 100.00 140 0782, 0f86, 4f83, 5f87
 101.56 137 6007
 103.12 135 1006, 5003, 6087
 104.69 133 6107
 106.25 131 0802, 1086, 5083, 6187
 107.81 129 6207
 109.38 128 1106, 5103, 6287
 110.94 126 6307
 112.50 124 0882, 1186, 5183, 6387
 114.06 122 6407
 115.62 121 1206, 5203, 6487
 117.19 119 6507
 118.75 117 0902, 1286, 5283, 6587
 120.31 116 6607
 121.88 114 1306, 5303, 6687
 123.44 113 6707
 125.00 112 0982, 1386, 4982, 5383, 5386, 6787
 128.12 109 1406, 5406
 131.25 106 0a02, 1486, 4a02, 5486
 134.38 104 1506, 5506
 137.50 101 0a82, 1586, 4a82, 5586
 140.62  99 1606, 5606
 143.75  97 0b02, 1686, 4b02, 5686
 146.88  95 1706, 5706
 150.00  93 0581, 0b82, 0b85, 1786, 4b82, 5786
 153.12  91 5806
 156.25  89 0c05, 4c02, 5886
 159.38  87 5906
 162.50  86 0601, 0c85, 4c82, 5986
 165.62  84 5a06
 168.75  82 0d05, 4d02, 5a86
 171.88  81 5b06
 175.00  80 0681, 0d85, 4d82, 5b86
 178.12  78 5c06
 181.25  77 0e05, 4e02, 5c86
 184.38  75 5d06
 187.50  74 0701, 0e85, 4e82, 5d86
 190.62  73 5e06
 193.75  72 0f05, 4f02, 5e86
 196.88  71 5f06
 200.00  70 0781, 0f85, 4f82, 5f86
 203.12  68 6006
 206.25  67 1005, 5002, 6086
 209.38  66 6106
 212.50  65 0801, 1085, 5082, 6186
 215.62  64 6206
 218.75  64 1105, 5102, 6286
 221.88  63 6306
 225.00  62 0881, 1185, 5182, 6386
 228.12  61 6406
 231.25  60 1205, 5202, 6486
 234.38  59 6506
 237.50  58 0901, 1285, 5282, 6586
 240.62  58 6606
 243.75  57 1305, 5302, 6686
 246.88  56 6706
 250.00  56 0981, 1385, 4981, 5382, 5385, 6786
 256.25  54 1405, 5405
 262.50  53 0a01, 1485, 4a01, 5485
 268.75  52 1505, 5505
 275.00  50 0a81, 1585, 4a81, 5585
 281.25  49 1605, 5605
 287.50  48 0b01, 1685, 4b01, 5685
 293.75  47 1705, 5705
 300.00  46 0580, 0b81, 0b84, 1785, 4b81, 5785
 306.25  45 5805
 312.50  44 0c04, 4c01, 5885
 318.75  43 5905
 325.00  43 0600, 0c84, 4c81, 5985
 331.25  42 5a05
 337.50  41 0d04, 4d01, 5a85
 343.75  40 5b05
 350.00  40 0680, 0d84, 4d81, 5b85
 356.25  39 5c05
 362.50  38 0e04, 4e01, 5c85
 368.75  37 5d05
 375.00  37 0700, 0e84, 4e81, 5d85
 381.25  36 5e05
 387.50  36 0f04, 4f01, 5e85
 393.75  35 5f05
 400.00  35 0780, 0f84, 4f81, 5f85
 406.25  34 6005
 412.50  33 1004, 5001, 6085
 418.75  33 6105
 425.00  32 0800, 1084, 5081, 6185
 431.25  32 6205
 437.50  32 1104, 5101, 6285
 443.75  31 6305
 450.00  31 0880, 1184, 5181, 6385
 456.25  30 6405
 462.50  30 1204, 5201, 6485
 468.75  29 6505
 475.00  29 0900, 1284, 5281, 6585
 481.25  29 6605
 487.50  28 1304, 5301, 6685
 493.75  28 6705
 500.00  28 0980, 1384, 4980, 5381, 5384, 6785
 512.50  27 1404, 5404
 525.00  26 0a00, 1484, 4a00, 5484
 537.50  26 1504, 5504
 550.00  25 0a80, 1584, 4a80, 5584
 562.50  24 1604, 5604
 575.00  24 0b00, 1684, 4b00, 5684
 587.50  23 1704, 5704
 600.00  23 0b80, 1784, 4b80, 5784
 612.50  22 5804
 625.00  22 4c00, 5884
 637.50  21 5904
 650.00  21 4c80, 5984
 662.50  21 5a04
 675.00  20 4d00, 5a84
 687.50  20 5b04
 700.00  20 4d80, 5b84
 712.50  19 5c04
 725.00  19 4e00, 5c84
 737.50  18 5d04
 750.00  18 4e80, 5d84
 762.50  18 5e04
 775.00  18 4f00, 5e84
 787.50  17 5f04
 800.00  17 4f80, 5f84
 812.50  17 6004
 825.00  16 5000, 6084
 837.50  16 6104
 850.00  16 5080, 6184
 862.50  16 6204
 875.00  16 5100, 6284
 887.50  15 6304
 900.00  15 5180, 6384
 912.50  15 6404
 925.00  15 5200, 6484
 937.50  14 6504
 950.00  14 5280, 6584
 962.50  14 6604
 975.00  14 5300, 6684
 987.50  14 6704
1000.00  14 5380, 6784

With the definition of "possible" of "fits the formula". I'm quite sure it's impossible to get any results but fried chips with values like 5380... Wink
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June 30, 2014, 01:19:13 PM
 #825

Has anyone ever tried clocking an S1 beyond 400 MHz? Bitmain docs give settings info to clock up to 500 MHz. If anyone has tried let me know the power draw and hash rate and error rates you were getting. Thanks.

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June 30, 2014, 08:02:59 PM
 #826

I had some trouble with an S2 recently. Fixed it with an off the shelf Beaglebone Black.

https://bitcointalk.org/index.php?topic=671625

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June 30, 2014, 08:17:39 PM
 #827

Has anyone ever tried clocking an S1 beyond 400 MHz? Bitmain docs give settings info to clock up to 500 MHz. If anyone has tried let me know the power draw and hash rate and error rates you were getting. Thanks.

As per datasheet 400M is very much possible. But the issue is with HWE%, it will be huge.
Also the huge power consumption will not make it run profitably.
Further, the DC-DC voltage converters will not be able to handle that much and will overheat and fail.
No where heard anyone did it successfully for a prolonged period. If you are trying it don't forget to update the result.
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June 30, 2014, 08:44:05 PM
 #828

Has anyone ever tried clocking an S1 beyond 400 MHz? Bitmain docs give settings info to clock up to 500 MHz. If anyone has tried let me know the power draw and hash rate and error rates you were getting. Thanks.

As per datasheet 400M is very much possible. But the issue is with HWE%, it will be huge.
Also the huge power consumption will not make it run profitably.
Further, the DC-DC voltage converters will not be able to handle that much and will overheat and fail.
No where heard anyone did it successfully for a prolonged period. If you are trying it don't forget to update the result.
406mhz at 41 degrees. Hw 0.7% for a few days now

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June 30, 2014, 08:57:52 PM
 #829

Has anyone ever tried clocking an S1 beyond 400 MHz? Bitmain docs give settings info to clock up to 500 MHz. If anyone has tried let me know the power draw and hash rate and error rates you were getting. Thanks.

As per datasheet 400M is very much possible. But the issue is with HWE%, it will be huge.
Also the huge power consumption will not make it run profitably.
Further, the DC-DC voltage converters will not be able to handle that much and will overheat and fail.
No where heard anyone did it successfully for a prolonged period. If you are trying it don't forget to update the result.
406mhz at 41 degrees. Hw 0.7% for a few days now
That's great. You got a special S1.
My S1 will give 0.7% HWE much before that.
At stock clock itself my temperatures are at 40-45.
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June 30, 2014, 09:00:42 PM
 #830

Has anyone ever tried clocking an S1 beyond 400 MHz? Bitmain docs give settings info to clock up to 500 MHz. If anyone has tried let me know the power draw and hash rate and error rates you were getting. Thanks.

As per datasheet 400M is very much possible. But the issue is with HWE%, it will be huge.
Also the huge power consumption will not make it run profitably.
Further, the DC-DC voltage converters will not be able to handle that much and will overheat and fail.
No where heard anyone did it successfully for a prolonged period. If you are trying it don't forget to update the result.
406mhz at 41 degrees. Hw 0.7% for a few days now
That's great. You got a special S1.
My S1 will give 0.7% HWE much before that.
At stock clock itself my temperatures are at 40-45.
It is a special little unit that's for sure. In return I've looked after it with nice big second fan and heatsinks all round.

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July 14, 2014, 09:25:08 PM
 #831

What would be the most optimal settings for the S2 with a 1200W Psu and excellent ambient cooling?

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July 19, 2014, 03:16:11 PM
 #832

I have some small heatsinks that would fit the DCDC, do you think it would make a small difference in efficiency and DCDC stability?
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July 21, 2014, 11:41:02 PM
 #833

I have some small heatsinks that would fit the DCDC, do you think it would make a small difference in efficiency and DCDC stability?

it should help with keeping them cooler and running with less errors. go ahead and do it. I've got them on all of mine and it runs 406mhz all day long.

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July 23, 2014, 08:51:08 PM
 #834

I have some small heatsinks that would fit the DCDC, do you think it would make a small difference in efficiency and DCDC stability?

it should help with keeping them cooler and running with less errors. go ahead and do it. I've got them on all of mine and it runs 406mhz all day long.

Any thought if that would help the DC-DC issue the early S3's have? cool em down and maybe you can pull a bit more juice from them?
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July 24, 2014, 01:07:29 AM
 #835

I have some small heatsinks that would fit the DCDC, do you think it would make a small difference in efficiency and DCDC stability?

it should help with keeping them cooler and running with less errors. go ahead and do it. I've got them on all of mine and it runs 406mhz all day long.

Any thought if that would help the DC-DC issue the early S3's have? cool em down and maybe you can pull a bit more juice from them?

possibly, Bitmain tend to under spec those parts to save money. I considered sourcing some higher rated ones to overclock the s1 further, it's getting to the limit of my electronics knowledge though.
Put it this way, it couldn't hurt them lol

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July 29, 2014, 06:43:51 PM
 #836

Hello tell me the reason for my fan speed does not reset.  Thats when cold then immediately grows And does not reset when the temperature is 35 or 45 shows in 3720 within 3480  Thank you  if daste answer.
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July 29, 2014, 09:52:41 PM
 #837

Hello tell me the reason for my fan speed does not reset.  Thats when cold then immediately grows And does not reset when the temperature is 35 or 45 shows in 3720 within 3480  Thank you  if daste answer.

Downclock you Ant and restart your miner after shutting off for 10 minutes.
I mean do a power cycle. Then check whether the fan speeds now.
Now set your Ant S1 at stock clock and check fan speed after a restart.
If fan responds properly, clock to previous frequency and check the fans now.
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July 29, 2014, 09:57:45 PM
 #838

I have some small heatsinks that would fit the DCDC, do you think it would make a small difference in efficiency and DCDC stability?

it should help with keeping them cooler and running with less errors. go ahead and do it. I've got them on all of mine and it runs 406mhz all day long.

Any thought if that would help the DC-DC issue the early S3's have? cool em down and maybe you can pull a bit more juice from them?


I don't think just cooling down the DC-DC controller will bailout the Antminer S3 problem.
It may increase the hashrate a little bit more or help to hash it with more stability.
I'm designing a setup to cool the DC-DC controller extremely down with heatsink and water cooling pipe setup.
No high expectations but checking whether it can hold at 504Ghs or 478Ghs or atleast stable at 441Ghs.
Will try it at S1 before moving to S3. Now I'm searching for some small copper pipes, do anyone know a source to get it?
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August 14, 2014, 08:35:18 PM
 #839

Sorry if this was already asked, I just couldn't find it anywhere.  But here's my question:  Are you able to clock the Antminer S1 at a frequency that isn't something like  350, 375, 400, etc.  Something in-between those numbers.  I recently received an Antminer S1 and had it clocked to 375 because my PSU doesn't have enough watts on the 12 volt rail to go to 400.  I want to get the most out of my miner before it becomes non-profitable though, so can I clock it to something like 380 or 390?  I think I remember someone doing 389.9 because it ran better than 400, not too sure.  Thanks and sorry if this is a stupid question, I'm new to Antminers a bit.
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August 15, 2014, 02:14:22 PM
 #840

Sorry if this was already asked, I just couldn't find it anywhere.  But here's my question:  Are you able to clock the Antminer S1 at a frequency that isn't something like  350, 375, 400, etc.  Something in-between those numbers.  I recently received an Antminer S1 and had it clocked to 375 because my PSU doesn't have enough watts on the 12 volt rail to go to 400.  I want to get the most out of my miner before it becomes non-profitable though, so can I clock it to something like 380 or 390?  I think I remember someone doing 389.9 because it ran better than 400, not too sure.  Thanks and sorry if this is a stupid question, I'm new to Antminers a bit.

Here you go:

Code:
        option 'freq_value'    '5f05'  #393.75M
        option 'chip_freq'     '393.75'
        option 'timeout'       '36'

        #option 'freq_value'    '5e85'  #387.5M
        #option 'chip_freq'     '387.5'
        #option 'timeout'       '37'

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