Topic: ANTMINER S7 is available at bitmaintech.com with 4.86TH/s, 0.25J/GH - page 116. (Read 528055 times)
December 31, 2015, 05:34:01 AM
And Bitmain website down again, or working only partially (is not possible to finish order) :-(
December 31, 2015, 05:01:03 AM
Fast action !!
I have two 150USD S7 batch8 coupons for sale.
Valid only to 31.12.2015 19:11 (probably Chinese time), so it is only 1h 10min from now.
They were purchased from user Tupsu.
http://img24.cz/images/61209568027749958900.jpg
I have two 150USD S7 batch8 coupons for sale.
Valid only to 31.12.2015 19:11 (probably Chinese time), so it is only 1h 10min from now.
They were purchased from user Tupsu.
http://img24.cz/images/61209568027749958900.jpg
December 31, 2015, 12:18:11 AM
Hi All,
Anyone have this issue where their S7 makes a really loud screeching sound from the FANs but if you place a small cardboard piece to funnel air differently then it would sound like other S7 where it's just rushed Air sound. Please see image below. I'm opening a support ticket as the sound is incredibly loud and annoying and over power the noise created by 3 other system by itself.
https://i.imgur.com/ibjVgBY.jpg
Yes - this is a very effective trick at higher RPM. I've found an obstruction placed at the right spot in past the outlet fan works too, and should be better for cooling uniformity.Anyone have this issue where their S7 makes a really loud screeching sound from the FANs but if you place a small cardboard piece to funnel air differently then it would sound like other S7 where it's just rushed Air sound. Please see image below. I'm opening a support ticket as the sound is incredibly loud and annoying and over power the noise created by 3 other system by itself.
https://i.imgur.com/ibjVgBY.jpg
I believe that this is due to the outlet fan running too unburdened/too low pressure delta in the bitmain design. I think the inlet fan should probably be run at lower RPM than the outlet; the cardboard trick changes things just enough to bring both fans back into a loaded condition.
How do I permanently fix this issue? The other S7 of the same batch is not behaving this way. Will fan replacement fix this issue?
Dunno
Let me know if you find out? Has anyone looked at the fan RPM implementation on the controller board -- is it amenable to tuning front vs. rear?
December 30, 2015, 10:00:49 PM
Yeah... Thread title needs to be updated. S7 is no longer 4.86TH/s or 0.25J/GH.
Should read:
ANTMINER S7 is available at bitmaintech.com with 4.73TH/s, 0.30J/GH
Since bitcointalk is not accessible from mainland China due to the GFW, could a mod update the title? I'm sure bitmain would in the pursuit of honesty, but they simply can't due to circumstances.
Should read:
ANTMINER S7 is available at bitmaintech.com with 4.73TH/s, 0.30J/GH
Since bitcointalk is not accessible from mainland China due to the GFW, could a mod update the title? I'm sure bitmain would in the pursuit of honesty, but they simply can't due to circumstances.
The last two I bought arrived with 1 dead board each. Maybe the title should read 3.1TH/s, 0.3J/GH?
Heh, sounds about right. My B8 had a board die within a week, so also running at ~3.1TH/s right now.
That's pretty bad. Whats the delay and protocol here? You send back the black to Bitmain at your costs, then receive a blade within what delay? And then do you get compensated?
Normally there is not compensation. You talk to them they say if ok to disassemble. You cant even really open it without permission anymore, so have to talk to support.
I would guess he sends back to bitmain, then send working after. And most likely no compensation but I could be wrong. My batch 8 is still working strong even in the cold. So far so good on mine as far as running.
December 30, 2015, 09:33:21 PM
The 2000w PSU is not platinum, in fact it's silver but pretty close to gold. It's younger and stronger 2500w brother is gold rated, though. The 2880w beast is not actually platinum either, it is solidly in silver territory. I measured about 87% efficiency. Everyone confuses it with it's younger, slightly more buff 2980w brother the 39Y7414 is platinum, and much more expensive on ebay. We're all buying the 39Y7349 which has no official efficiency numbers anywhere that I can find as it's too old to have been put through the 80+ testing program. My own testing though, puts it at about 87% efficiency at 50% load.
Just curious, how did you measure efficiency? And did you compare it against a known 80+ tested PSU to verify your methods?
Simply compared AC input to DC output, that's all it takes. I've also tested 3 different server PSUs that have been 80+ tested. One of them was rated 94.5% @ 50% load (PFE1100), I read 94.1% consistently, for example. That difference can be due to my equipment VS their testing equipment, the PSU could be a little tired, or likely both. My testing mythology is sound, but I would of course appreciate someone backing up the numbers I have posted about the 2880W-er.
Absolutely right -- the 2880W are not 80 Plus Platinum, and in fact I'm not aware of any PlugLoad testing results published for either 2880W model number (39Y7349 and 39Y7408; FRUs 39Y7350/39Y7364 and 39Y7409).
The 2980s, on the other hand, have the little 80Plus Platinum sticker right on top and a cute "High Efficiency" label on the handle/lock:
And man, the interior of those things... the board design makes me feel all tingly and I'm not ashamed to admit it
We can make a guess about the 2880 efficiency vs. 2980 by taking the ratio of the rated outputs, since those are limited by thermal envelope. Then if the 2980 is ~92-93% the 2880 should be ~89-90%? I'll check shortly.
edit: Also of note is that the PlugLoad test of the 2980W unit doesn't include the fan draw (50W at full load) in the consumption figures, so the effective efficiency with cooling will be somewhat reduced.
December 30, 2015, 09:21:24 PM
Hi All,
Anyone have this issue where their S7 makes a really loud screeching sound from the FANs but if you place a small cardboard piece to funnel air differently then it would sound like other S7 where it's just rushed Air sound. Please see image below. I'm opening a support ticket as the sound is incredibly loud and annoying and over power the noise created by 3 other system by itself.
https://i.imgur.com/ibjVgBY.jpg
Yes - this is a very effective trick at higher RPM. I've found an obstruction placed at the right spot in past the outlet fan works too, and should be better for cooling uniformity.Anyone have this issue where their S7 makes a really loud screeching sound from the FANs but if you place a small cardboard piece to funnel air differently then it would sound like other S7 where it's just rushed Air sound. Please see image below. I'm opening a support ticket as the sound is incredibly loud and annoying and over power the noise created by 3 other system by itself.
https://i.imgur.com/ibjVgBY.jpg
I believe that this is due to the outlet fan running too unburdened/too low pressure delta in the bitmain design. I think the inlet fan should probably be run at lower RPM than the outlet; the cardboard trick changes things just enough to bring both fans back into a loaded condition.
How do I permanently fix this issue? The other S7 of the same batch is not behaving this way. Will fan replacement fix this issue?
Dunno
Let me know if you find out? Has anyone looked at the fan RPM implementation on the controller board -- is it amenable to tuning front vs. rear? December 30, 2015, 09:17:59 PM
Hi All,
Anyone have this issue where their S7 makes a really loud screeching sound from the FANs but if you place a small cardboard piece to funnel air differently then it would sound like other S7 where it's just rushed Air sound. Please see image below. I'm opening a support ticket as the sound is incredibly loud and annoying and over power the noise created by 3 other system by itself.
https://i.imgur.com/ibjVgBY.jpg
Yes - this is a very effective trick at higher RPM. I've found an obstruction placed at the right spot in past the outlet fan works too, and should be better for cooling uniformity.Anyone have this issue where their S7 makes a really loud screeching sound from the FANs but if you place a small cardboard piece to funnel air differently then it would sound like other S7 where it's just rushed Air sound. Please see image below. I'm opening a support ticket as the sound is incredibly loud and annoying and over power the noise created by 3 other system by itself.
https://i.imgur.com/ibjVgBY.jpg
I believe that this is due to the outlet fan running too unburdened/too low pressure delta in the bitmain design. I think the inlet fan should probably be run at lower RPM than the outlet; the cardboard trick changes things just enough to bring both fans back into a loaded condition.
How do I permanently fix this issue? The other S7 of the same batch is not behaving this way. Will fan replacement fix this issue?
December 30, 2015, 08:57:49 PM
Hi All,
Anyone have this issue where their S7 makes a really loud screeching sound from the FANs but if you place a small cardboard piece to funnel air differently then it would sound like other S7 where it's just rushed Air sound. Please see image below. I'm opening a support ticket as the sound is incredibly loud and annoying and over power the noise created by 3 other system by itself.
https://i.imgur.com/ibjVgBY.jpg
Yes - this is a very effective trick at higher RPM. I've found an obstruction placed at the right spot in past the outlet fan works too, and should be better for cooling uniformity.Anyone have this issue where their S7 makes a really loud screeching sound from the FANs but if you place a small cardboard piece to funnel air differently then it would sound like other S7 where it's just rushed Air sound. Please see image below. I'm opening a support ticket as the sound is incredibly loud and annoying and over power the noise created by 3 other system by itself.
https://i.imgur.com/ibjVgBY.jpg
I believe that this is due to the outlet fan running too unburdened/too low pressure delta in the bitmain design. I think the inlet fan should probably be run at lower RPM than the outlet; the cardboard trick changes things just enough to bring both fans back into a loaded condition.
December 30, 2015, 08:55:43 PM
How is the noise level on the IBM 2990W PSU? Did they improve on the FAN used or same as the IBM 2880W? What else about it that makes them better than the IBM 2000 combo other than more power and connections? I need to prepare for another batch of PSU order soon.
The fans are nearly identical. They have an updated model number but all of the specifications are the same. 2980w fans are four-wire, though.
The fans don't run balls-to-the-wall when the PSUs are in the BladeCenter H chassis and getting PMBus sweet nothings whispered to them... the 100% operation is a failure condition response, not design.
The 2880Ws have Delta PFB0612UHE: http://partner.delta-corp.com/Products/FANUploads/Specification/PFB0612UHE-F00.pdf and the 2980s are Delta PFC0612DE: http://partner.delta-corp.com/Products/FANUploads/Specification/PFC0612DE-F00(REV02).pdf
December 30, 2015, 07:08:45 PM
Did anybody ROI on these miners yet? Especially if you bought the first batch and sold around the $500 highs recently?
I did, a week after I bought them. Made 30% profit on top from people that bought them.
December 30, 2015, 06:58:48 PM
The 2000w PSU is not platinum, in fact it's silver but pretty close to gold. It's younger and stronger 2500w brother is gold rated, though. The 2880w beast is not actually platinum either, it is solidly in silver territory. I measured about 87% efficiency. Everyone confuses it with it's younger, slightly more buff 2980w brother the 39Y7414 is platinum, and much more expensive on ebay. We're all buying the 39Y7349 which has no official efficiency numbers anywhere that I can find as it's too old to have been put through the 80+ testing program. My own testing though, puts it at about 87% efficiency at 50% load.
Just curious, how did you measure efficiency? And did you compare it against a known 80+ tested PSU to verify your methods?
Simply compared AC input to DC output, that's all it takes. I've also tested 3 different server PSUs that have been 80+ tested. One of them was rated 94.5% @ 50% load (PFE1100), I read 94.1% consistently, for example. That difference can be due to my equipment VS their testing equipment, the PSU could be a little tired, or likely both. My testing mythology is sound, but I would of course appreciate someone backing up the numbers I have posted about the 2880W-er.
So you didn't take the Fan draw out of the equation I take it? That is part of the 80+ testing, as fan losses are subsidiary and not related to PSU efficiency, and the 3x60mm beastly fans that the 2880W PSU uses draw 1.68A or 20.5W each at full power (61.5W), which at the 50% load "testing" of 1440W would account for a margin of error of 4.27% alone. You should check out the testing procedure for 80+ certification: http://www.plugloadsolutions.com/docs/collatrl/print/Generalized_Internal_Power_Supply_Efficiency_Test_Protocol_R6.7.pdf
I would also love to see someone else do an accurate test on them, as I was informed that they were in fact 80+ platinum just as the larger 2980W PSU. I have ordered 2x of the 2980W PSU's that I hope to put on a metered rack or ammeter and do some back to back testing vs the 2880W to see if there is an observable difference. Still far from an accurate test, but worth looking into I think.
I'm replying in the other thread, this is off topic for the S7 thread.
December 30, 2015, 06:41:16 PM
Hi All,
Anyone have this issue where their S7 makes a really loud screeching sound from the FANs but if you place a small cardboard piece to funnel air differently then it would sound like other S7 where it's just rushed Air sound. Please see image below. I'm opening a support ticket as the sound is incredibly loud and annoying and over power the noise created by 3 other system by itself.
https://i.imgur.com/ibjVgBY.jpg
Anyone have this issue where their S7 makes a really loud screeching sound from the FANs but if you place a small cardboard piece to funnel air differently then it would sound like other S7 where it's just rushed Air sound. Please see image below. I'm opening a support ticket as the sound is incredibly loud and annoying and over power the noise created by 3 other system by itself.
https://i.imgur.com/ibjVgBY.jpg
December 30, 2015, 05:24:16 PM
Did anybody ROI on these miners yet? Especially if you bought the first batch and sold around the $500 highs recently?
December 30, 2015, 03:29:34 PM
Yeah... Thread title needs to be updated. S7 is no longer 4.86TH/s or 0.25J/GH.
Should read:
ANTMINER S7 is available at bitmaintech.com with 4.73TH/s, 0.30J/GH
Since bitcointalk is not accessible from mainland China due to the GFW, could a mod update the title? I'm sure bitmain would in the pursuit of honesty, but they simply can't due to circumstances.
Should read:
ANTMINER S7 is available at bitmaintech.com with 4.73TH/s, 0.30J/GH
Since bitcointalk is not accessible from mainland China due to the GFW, could a mod update the title? I'm sure bitmain would in the pursuit of honesty, but they simply can't due to circumstances.
The last two I bought arrived with 1 dead board each. Maybe the title should read 3.1TH/s, 0.3J/GH?
Heh, sounds about right. My B8 had a board die within a week, so also running at ~3.1TH/s right now.
That's pretty bad. Whats the delay and protocol here? You send back the black to Bitmain at your costs, then receive a blade within what delay? And then do you get compensated?
December 30, 2015, 03:01:22 PM
The 2000w PSU is not platinum, in fact it's silver but pretty close to gold. It's younger and stronger 2500w brother is gold rated, though. The 2880w beast is not actually platinum either, it is solidly in silver territory. I measured about 87% efficiency. Everyone confuses it with it's younger, slightly more buff 2980w brother the 39Y7414 is platinum, and much more expensive on ebay. We're all buying the 39Y7349 which has no official efficiency numbers anywhere that I can find as it's too old to have been put through the 80+ testing program. My own testing though, puts it at about 87% efficiency at 50% load.
Just curious, how did you measure efficiency? And did you compare it against a known 80+ tested PSU to verify your methods?
Simply compared AC input to DC output, that's all it takes. I've also tested 3 different server PSUs that have been 80+ tested. One of them was rated 94.5% @ 50% load (PFE1100), I read 94.1% consistently, for example. That difference can be due to my equipment VS their testing equipment, the PSU could be a little tired, or likely both. My testing mythology is sound, but I would of course appreciate someone backing up the numbers I have posted about the 2880W-er.
So you didn't take the Fan draw out of the equation I take it? That is part of the 80+ testing, as fan losses are subsidiary and not related to PSU efficiency, and the 3x60mm beastly fans that the 2880W PSU uses draw 1.68A or 20.5W each at full power (61.5W), which at the 50% load "testing" of 1440W would account for a margin of error of 4.27% alone. You should check out the testing procedure for 80+ certification: http://www.plugloadsolutions.com/docs/collatrl/print/Generalized_Internal_Power_Supply_Efficiency_Test_Protocol_R6.7.pdf
I would also love to see someone else do an accurate test on them, as I was informed that they were in fact 80+ platinum just as the larger 2980W PSU. I have ordered 2x of the 2980W PSU's that I hope to put on a metered rack or ammeter and do some back to back testing vs the 2880W to see if there is an observable difference. Still far from an accurate test, but worth looking into I think.
December 30, 2015, 01:45:54 PM
Yeah... Thread title needs to be updated. S7 is no longer 4.86TH/s or 0.25J/GH.
Should read:
ANTMINER S7 is available at bitmaintech.com with 4.73TH/s, 0.30J/GH
Since bitcointalk is not accessible from mainland China due to the GFW, could a mod update the title? I'm sure bitmain would in the pursuit of honesty, but they simply can't due to circumstances.
Should read:
ANTMINER S7 is available at bitmaintech.com with 4.73TH/s, 0.30J/GH
Since bitcointalk is not accessible from mainland China due to the GFW, could a mod update the title? I'm sure bitmain would in the pursuit of honesty, but they simply can't due to circumstances.
The last two I bought arrived with 1 dead board each. Maybe the title should read 3.1TH/s, 0.3J/GH?
Heh, sounds about right. My B8 had a board die within a week, so also running at ~3.1TH/s right now.
December 30, 2015, 01:42:16 PM
Yeah... Thread title needs to be updated. S7 is no longer 4.86TH/s or 0.25J/GH.
Should read:
ANTMINER S7 is available at bitmaintech.com with 4.73TH/s, 0.30J/GH
Since bitcointalk is not accessible from mainland China due to the GFW, could a mod update the title? I'm sure bitmain would in the pursuit of honesty, but they simply can't due to circumstances.
Should read:
ANTMINER S7 is available at bitmaintech.com with 4.73TH/s, 0.30J/GH
Since bitcointalk is not accessible from mainland China due to the GFW, could a mod update the title? I'm sure bitmain would in the pursuit of honesty, but they simply can't due to circumstances.
The last two I bought arrived with 1 dead board each. Maybe the title should read 3.1TH/s, 0.3J/GH?
December 30, 2015, 01:29:10 PM
The 2000w PSU is not platinum, in fact it's silver but pretty close to gold. It's younger and stronger 2500w brother is gold rated, though. The 2880w beast is not actually platinum either, it is solidly in silver territory. I measured about 87% efficiency. Everyone confuses it with it's younger, slightly more buff 2980w brother the 39Y7414 is platinum, and much more expensive on ebay. We're all buying the 39Y7349 which has no official efficiency numbers anywhere that I can find as it's too old to have been put through the 80+ testing program. My own testing though, puts it at about 87% efficiency at 50% load.
Just curious, how did you measure efficiency? And did you compare it against a known 80+ tested PSU to verify your methods?
Simply compared AC input to DC output, that's all it takes. I've also tested 3 different server PSUs that have been 80+ tested. One of them was rated 94.5% @ 50% load (PFE1100), I read 94.1% consistently, for example. That difference can be due to my equipment VS their testing equipment, the PSU could be a little tired, or likely both. My testing mythology is sound, but I would of course appreciate someone backing up the numbers I have posted about the 2880W-er.
December 30, 2015, 11:49:31 AM
The 2000w PSU is not platinum, in fact it's silver but pretty close to gold. It's younger and stronger 2500w brother is gold rated, though. The 2880w beast is not actually platinum either, it is solidly in silver territory. I measured about 87% efficiency. Everyone confuses it with it's younger, slightly more buff 2980w brother the 39Y7414 is platinum, and much more expensive on ebay. We're all buying the 39Y7349 which has no official efficiency numbers anywhere that I can find as it's too old to have been put through the 80+ testing program. My own testing though, puts it at about 87% efficiency at 50% load.
Just curious, how did you measure efficiency? And did you compare it against a known 80+ tested PSU to verify your methods?
I found it a little too hard to fully tease out the real numbers when I tested against my evga 1600 t2.
Here is what held me back the evga 1600 t2 sags in volts on settings over freq 600 so the highest freq I can test is 600 with the evga t2. It provides just over 12.04 volts at the freq 600
When I test at freq 600 with the 2880w. The psu provide 12.18 volts And this makes my test wrong.
This due to the nature of the s-7 string design it will spend the extra volts/watts with no gh gain.
So it is harder to really give it a fair comparison to the evga t2
Put another way if I set my s-7 to freq 600 with the evga 1600 t2 I can get a 5 amp reading on my pdu at 240 volts. If I set my s-7 to freq 600 with the 2880 watt I get a 5.9 amp reading on my pdu at 240 volts.
But the evga provide 12.05 volts and the 2880 watt provides 12.20 volts
The evga can run over freq 600 the 2880 can do freq 637
So do I want
4860 gh at 1200 watts maybe 1224 watts. Or do I want 5175 gh at 1416 watts maybe 1440 watts with the 2880 watt gear.
Mind you my s-7 is a batch 2 rated for freq 575
December 30, 2015, 11:14:14 AM
Hi Guys - I need help on upgrading FW on the S7s to the latest ones.
The Bitmain support page lists a number of FW for different S7 batches and I need 2nd pair of eyes to double check which FW goes to which S7.
My current list as follows:
1. 4.73TH/v.1.32 (700Mhz) - Batch 8
2. 4.46TH/v.2.0 (600Mhz) - Batch ?
3. 4.66TH/v.1.7 (600Mhz) - Batch ?
4. 4.66TH/v.1.7 (600Mhz) - Batch ?
5. 4.73TH/v1.31 (700Mhz) - Batch 8
Appreciate any help.
Regards
TMT
The Bitmain support page lists a number of FW for different S7 batches and I need 2nd pair of eyes to double check which FW goes to which S7.
My current list as follows:
1. 4.73TH/v.1.32 (700Mhz) - Batch 8
2. 4.46TH/v.2.0 (600Mhz) - Batch ?
3. 4.66TH/v.1.7 (600Mhz) - Batch ?
4. 4.66TH/v.1.7 (600Mhz) - Batch ?
5. 4.73TH/v1.31 (700Mhz) - Batch 8
Appreciate any help.
Regards
TMT
For 2,3,4 use SD-S7-20151023-575M.tar.gz (support 6 blade in one controller) or
this SD-S7-20151211-575.tar.gz (3 blade only)
For 1 and 5 use SD-S7-20151211-700.tar.gz
Thanks Tupsu - I will get my machine up to date during my "New Year scheduled downtime".
The S7-700s are with latest FW and running sweet.
Keeping fingers crossed on the FW upgrade for 600s tomorrow midnight.
When I switched I did notice more and smoother hashrate on the graph over 8 hours.
130th to play with. You notice changes more at that level.
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