notlist3d (OP)
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December 20, 2015, 10:16:58 AM |
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Any chance that you have messed with the Default Frequency? The range has been all over the place on each batch and I was wondering if the Default Frequency of 700 on Batch 8 limits the overclocking ability?
thanks....
I think most will leave at default frequency. I don't expect anyone to really push it with it being at so high already. It is pushing freq on default as shown below: I do not think they will keep jumping all over on range for near future, but I could be wrong. They have gotten a design that I think they will stick with, Batch 9 has same specs as Batch 8. Also still on issue of running I sent that email asking on efficiency I am hoping Monday i get something back.
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Eyedol-X
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December 21, 2015, 05:41:55 AM |
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Barely 4.73th as advertised. Getting about 4.6-4.7th
Mine has still not been on very long around 4 hours my average is: 4,710.30 . It is using the bitmain PSU on a 240. Still don't have the tools to measure watts yet. I will let it run over the night and post a screenshot in morning a 12 hour test hopefully will be a little faster then my 4 hour one but chances are it will remain close to what it is now. Been Running my Batch 8 for 1d 10 Hours and the average is 4719.56 here. My S7 Batch 3 averages 4855.18 and the temps are better on the Batch 3 as well. For some reason on my Batch 8 the first card consistently runs 5C hotter than the other two.
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notlist3d (OP)
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December 21, 2015, 06:02:54 AM |
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Barely 4.73th as advertised. Getting about 4.6-4.7th
Mine has still not been on very long around 4 hours my average is: 4,710.30 . It is using the bitmain PSU on a 240. Still don't have the tools to measure watts yet. I will let it run over the night and post a screenshot in morning a 12 hour test hopefully will be a little faster then my 4 hour one but chances are it will remain close to what it is now. Been Running my Batch 8 for 1d 10 Hours and the average is 4719.56 here. My S7 Batch 3 averages 4855.18 and the temps are better on the Batch 3 as well. For some reason on my Batch 8 the first card consistently runs 5C hotter than the other two. My temps are pretty low with temperature's currently it's winter weather. I need to slow down some fan's just haven't got to it yet in mining area. Mine are pretty consent 4.7TH. The hashing average rate is pretty constant that it does not seem to vary much at all for me. Below is running currently:
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Liquid71
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December 21, 2015, 09:12:23 AM |
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so a bottom line cliff notes? Pros and cons of each, or just an outright opinion on which you would buy if looking to buy another miner? Also thanks for your review of the Avalon 6, I got one and am quite happy any my house is much warmer ![Grin](https://bitcointalk.org/Smileys/default/grin.gif)
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notlist3d (OP)
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December 21, 2015, 09:52:39 PM |
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so a bottom line cliff notes? Pros and cons of each, or just an outright opinion on which you would buy if looking to buy another miner? Also thanks for your review of the Avalon 6, I got one and am quite happy any my house is much warmer ![Grin](https://bitcointalk.org/Smileys/default/grin.gif) I'm more into providing information and i let everyone decide on their own. I don't have a Buy/Don't buy as I feel i overstep a review if I start to say this. Also I make nothing if you buy or not, this is on purpose. I don't use short links, or referral in these as I don't have a percent I take off sales. I try to be impartial you will see direct link to official site. And it is ever-changing as far as prices. So one buy/don't buy does not work out forever. As of today 12/21 the lowest price per hash power is the S7 Batch 8. I have been waiting on official statement as far as efficiency, have not got it yet. So if your bottom line is hashing power, not sound chances are as of right now lowest price per hashing power. If you need to have it in house as you mention if sound is important Avalon 6, and quieter PSU might be better option. So it depends on your situation in all honesty. It's not one size fit's all.
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notlist3d (OP)
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December 23, 2015, 01:19:31 AM |
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Have not got an official response on electricity usage I know some were waiting on it. So of you measure usage it is appreciated if you put usage and PSU you used.
But it appears it is less efficient then the batch before it. Still a more efficient miner overall but not to what some were experiencing on some batches.
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nhando
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December 23, 2015, 05:05:53 AM |
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Any chance that you have messed with the Default Frequency? The range has been all over the place on each batch and I was wondering if the Default Frequency of 700 on Batch 8 limits the overclocking ability?
thanks....
Kilo17, I changed my Batch 8 to 775 and 800M Freq and only got more hardware errors, no additional performance gains. This is on the 2K IBM 220V PSU without any voltage changes. Phil on the other hand bump it up to 12.55 V and he saw a small uptick in performance on the S7 and a huge uptick on the Avalons so it seems that higher voltage is required. These at stock are already at the highest default OC level compare to other batches so quite frankly I think I will just leave them alone until others have shown stability over a month or so. Not worth frying them before Warranty is over.
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Just "Mining" my own business.
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alh
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December 23, 2015, 05:33:52 AM |
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Any chance that you have messed with the Default Frequency? The range has been all over the place on each batch and I was wondering if the Default Frequency of 700 on Batch 8 limits the overclocking ability?
thanks....
Kilo17, I changed my Batch 8 to 775 and 800M Freq and only got more hardware errors, no additional performance gains. This is on the 2K IBM 220V PSU without any voltage changes. Phil on the other hand bump it up to 12.55 V and he saw a small uptick in performance on the S7 and a huge uptick on the Avalons so it seems that higher voltage is required. These at stock are already at the highest default OC level compare to other batches so quite frankly I think I will just leave them alone until others have shown stability over a month or so. Not worth frying them before Warranty is over. I'd swear that Phil had a Batch #1 S7, certainly not a Batch #8. He can correct me if I am wrong. Preliminary photos suggest that there is a different voltage regulator on the Batch #8 S7, that would likely nullify any fiddling with the 12V actual voltage (i.e. a small bump to say 12.5V).
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nhando
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December 23, 2015, 03:34:36 PM |
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Any chance that you have messed with the Default Frequency? The range has been all over the place on each batch and I was wondering if the Default Frequency of 700 on Batch 8 limits the overclocking ability?
thanks....
Kilo17, I changed my Batch 8 to 775 and 800M Freq and only got more hardware errors, no additional performance gains. This is on the 2K IBM 220V PSU without any voltage changes. Phil on the other hand bump it up to 12.55 V and he saw a small uptick in performance on the S7 and a huge uptick on the Avalons so it seems that higher voltage is required. These at stock are already at the highest default OC level compare to other batches so quite frankly I think I will just leave them alone until others have shown stability over a month or so. Not worth frying them before Warranty is over. I'd swear that Phil had a Batch #1 S7, certainly not a Batch #8. He can correct me if I am wrong. Preliminary photos suggest that there is a different voltage regulator on the Batch #8 S7, that would likely nullify any fiddling with the 12V actual voltage (i.e. a small bump to say 12.5V). You're right alh, he did do it on older Batch, I'm confused as Phil mentioned he got 4 Batch 8 on order.
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Just "Mining" my own business.
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philipma1957
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December 23, 2015, 05:05:02 PM |
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Any chance that you have messed with the Default Frequency? The range has been all over the place on each batch and I was wondering if the Default Frequency of 700 on Batch 8 limits the overclocking ability?
thanks....
Kilo17, I changed my Batch 8 to 775 and 800M Freq and only got more hardware errors, no additional performance gains. This is on the 2K IBM 220V PSU without any voltage changes. Phil on the other hand bump it up to 12.55 V and he saw a small uptick in performance on the S7 and a huge uptick on the Avalons so it seems that higher voltage is required. These at stock are already at the highest default OC level compare to other batches so quite frankly I think I will just leave them alone until others have shown stability over a month or so. Not worth frying them before Warranty is over. The batch 8 has a voltage regulator much like the s-3 more volts do not boost hash. I have had batch 1 , batch 2 batch 4 and now have 4 batch 8's on order. The batch 2 is amazing piece of gear. The batch 2 does 5100 gh at freq 631 and burns low power to do it. I'd swear that Phil had a Batch #1 S7, certainly not a Batch #8. He can correct me if I am wrong. Preliminary photos suggest that there is a different voltage regulator on the Batch #8 S7, that would likely nullify any fiddling with the 12V actual voltage (i.e. a small bump to say 12.5V). You're right alh, he did do it on older Batch, I'm confused as Phil mentioned he got 4 Batch 8 on order.
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notlist3d (OP)
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December 24, 2015, 04:00:29 PM |
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Got the official response back on efficiency: "Currently, S7 is fixed with frequency to make sure the hash rate is more stable. but the voltage can be adjusted. The power consumption is 0.25 J/GH + 10% as marked in website."
So it appears the 4.7 is constant. And that efficiency is the +10 marked in specs.
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Eyedol-X
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December 24, 2015, 04:26:36 PM |
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Got the official response back on efficiency: "Currently, S7 is fixed with frequency to make sure the hash rate is more stable. but the voltage can be adjusted. The power consumption is 0.25 J/GH + 10% as marked in website."
So it appears the 4.7 is constant. And that efficiency is the +10 marked in specs.
That's funny and a little misleading if you look closely. Instead of saying the power consumption is ".275 J/GH" they just say ".25 J/GH + 10%"
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VirosaGITS
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December 24, 2015, 06:23:24 PM |
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Got the official response back on efficiency: "Currently, S7 is fixed with frequency to make sure the hash rate is more stable. but the voltage can be adjusted. The power consumption is 0.25 J/GH + 10% as marked in website."
So it appears the 4.7 is constant. And that efficiency is the +10 marked in specs.
They say the voltage can be adjusted? That make it sound like the software control is back in. But what do they "actually" mean, since we know they blatantly mislead with whatever they say? That you can undervolt it at the PSU level?
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RichBC
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December 24, 2015, 07:11:42 PM |
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Got the official response back on efficiency: "Currently, S7 is fixed with frequency to make sure the hash rate is more stable. but the voltage can be adjusted. The power consumption is 0.25 J/GH + 10% as marked in website."
So it appears the 4.7 is constant. And that efficiency is the +10 marked in specs.
They say the voltage can be adjusted? That make it sound like the software control is back in. But what do they "actually" mean, since we know they blatantly mislead with whatever they say? That you can undervolt it at the PSU level? As long as this is referring to batch 8 perhaps they just got voltage & frequency the wrong way round? However might imply that in the future Voltage will be adjustable? Rich
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philipma1957
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December 24, 2015, 09:00:40 PM |
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Got the official response back on efficiency: "Currently, S7 is fixed with frequency to make sure the hash rate is more stable. but the voltage can be adjusted. The power consumption is 0.25 J/GH + 10% as marked in website."
So it appears the 4.7 is constant. And that efficiency is the +10 marked in specs.
They say the voltage can be adjusted? That make it sound like the software control is back in. But what do they "actually" mean, since we know they blatantly mislead with whatever they say? That you can undervolt it at the PSU level? try an adjustable psu like this https://www.trcelectronics.com/ecomm/pdf/rsp1500.pdfor the finksy/j4bberwock one like this note the 12.17 volt is middle speed. ![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FbkPOpKP.jpg&t=663&c=9yxFwcXeBiVTGA)
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notlist3d (OP)
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December 24, 2015, 09:24:59 PM |
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Got the official response back on efficiency: "Currently, S7 is fixed with frequency to make sure the hash rate is more stable. but the voltage can be adjusted. The power consumption is 0.25 J/GH + 10% as marked in website."
So it appears the 4.7 is constant. And that efficiency is the +10 marked in specs.
They say the voltage can be adjusted? That make it sound like the software control is back in. But what do they "actually" mean, since we know they blatantly mislead with whatever they say? That you can undervolt it at the PSU level? As long as this is referring to batch 8 perhaps they just got voltage & frequency the wrong way round? However might imply that in the future Voltage will be adjustable? Rich Yes should be batch 8 I asked specifically about it. They apologized about how long it took. But said one of the engineers was consulted to get a anwser. So it should be petty valid info.
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RichBC
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December 24, 2015, 11:15:55 PM |
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Got the official response back on efficiency: "Currently, S7 is fixed with frequency to make sure the hash rate is more stable. but the voltage can be adjusted. The power consumption is 0.25 J/GH + 10% as marked in website."
So it appears the 4.7 is constant. And that efficiency is the +10 marked in specs.
They say the voltage can be adjusted? That make it sound like the software control is back in. But what do they "actually" mean, since we know they blatantly mislead with whatever they say? That you can undervolt it at the PSU level? As long as this is referring to batch 8 perhaps they just got voltage & frequency the wrong way round? However might imply that in the future Voltage will be adjustable? Rich Yes should be batch 8 I asked specifically about it. They apologized about how long it took. But said one of the engineers was consulted to get a anwser. So it should be petty valid info. Yes but we know that batch 8 , as are all batches, is frequency adjustable and that it is not psu adjustable at the PSU level because of the buck converter.. so.... they must have made a mistake and the only half sensible explanation is that they meant that " currently it is fixed voltage but the frequency can be adjusted"? Implying that at some point in the future it will be voltage adjustable? Or... have I been drinking too much as it's Xmas Eve? Rich
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notlist3d (OP)
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December 25, 2015, 04:53:57 AM |
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Got the official response back on efficiency: "Currently, S7 is fixed with frequency to make sure the hash rate is more stable. but the voltage can be adjusted. The power consumption is 0.25 J/GH + 10% as marked in website."
So it appears the 4.7 is constant. And that efficiency is the +10 marked in specs.
They say the voltage can be adjusted? That make it sound like the software control is back in. But what do they "actually" mean, since we know they blatantly mislead with whatever they say? That you can undervolt it at the PSU level? As long as this is referring to batch 8 perhaps they just got voltage & frequency the wrong way round? However might imply that in the future Voltage will be adjustable? Rich Yes should be batch 8 I asked specifically about it. They apologized about how long it took. But said one of the engineers was consulted to get a anwser. So it should be petty valid info. Yes but we know that batch 8 , as are all batches, is frequency adjustable and that it is not psu adjustable at the PSU level because of the buck converter.. so.... they must have made a mistake and the only half sensible explanation is that they meant that " currently it is fixed voltage but the frequency can be adjusted"? Implying that at some point in the future it will be voltage adjustable? Or... have I been drinking too much as it's Xmas Eve? Rich What I got out of it and I could be wrong this is my opinion. They have it where it get's 4.7TH they seem to not have any issues with being to far off that I have seen. So they kinda locked it down to where you get what is advertised. It seems like they are keeping design longer then others it seems. We know for sure batch 9 will use the same, and it could be possibly longer.
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notlist3d (OP)
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December 26, 2015, 06:19:13 PM |
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I had a power outage. The good new's is the S7 seemed to handle it great. No issues from turning off in not the greatest way, and it booted up and worked fine after power was on.
So it get's some point's for being reliable which is important.
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RadekG
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December 27, 2015, 02:32:01 PM |
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I had a power outage. The good new's is the S7 seemed to handle it great. No issues from turning off in not the greatest way, and it booted up and worked fine after power was on.
So it get's some point's for being reliable which is important.
I never noticed any issues when hard switching off/on any antminer. All series boots up perfectly.
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