Topic: ANTMINER S2 upgrade kit? EDIT: BITMAIN WHERE ARE YOU?!?! - page 17. (Read 35658 times)
waiting for an upgrade. has someone experience delivery to Ukraine?
I was going to buy a third one as well but was waiting on price. I was thinking it won't be more than the S5 currently. Cuz that wouldn't make sense.
The S2 was priced at a premium vs the S1 when it came out. The S2 kits will may be as well. Only thing that will for sure improve the overall cost vs S5 is the lower shipping cost.
No idea. I haven't had time to follow up on it, and I haven't gotten an answer yet when I asked the same question.
.... The best thing Janet could give me as far as data protocols was "look at the U3 code". .....
Fair enough ... but which U3 code? the one in cgminer or is there a github repository where its been published by bitmain.
Someone mentioned a Spondoolies board to me, and asked about firmware dev. Since I'm not interested in SP chips at present and Novak's the programmer, I handed him over to Novak. He's been talking to another one of the guys about a BM1382 project I think. Are they signal-compatible? The best thing Janet could give me as far as data protocols was "look at the U3 code". I'm hoping I won't have to do the hardware and software both, but it's possible.
If Bitmain bails on S2 Upgrade kits, I might look into it. I've already got some BM1384 on the way to play with, we're looking at making a set of boards that'd strap to an S1 chassis. Bitmain's Janet has been pretty helpful so far but I haven't been given any documentation on the actual data protocol for their chips so Bick, if your group have access to any of that info would you mind sharing?
I think our EE has some specs and hasn't he already contacted you?
If not PM me and I will give you his email.
If Bitmain bails on S2 Upgrade kits, I might look into it. I've already got some BM1384 on the way to play with, we're looking at making a set of boards that'd strap to an S1 chassis. Bitmain's Janet has been pretty helpful so far but I haven't been given any documentation on the actual data protocol for their chips so Bick, if your group have access to any of that info would you mind sharing?
Our S2's have been working virtually non stop since replacing the PSU's over year now. And an S1 tucked up on the top shelf working as well.
I can't believe how stable these Bitmain miners are. Mining FRC of course with a single reboot a year hope it pays off in a few years should prices spike again.
We will run these until they die. Upgrade kits... that be cool.
I can't believe how stable these Bitmain miners are. Mining FRC of course with a single reboot a year hope it pays off in a few years should prices spike again.
We will run these until they die. Upgrade kits... that be cool.
Are those Technobit boards down there
Not my server room.
Not my purchase.
"Garden 8ghs units if i remember" - My partner in Norway.
They are powered down... too power hungry.
Our S2's have been working virtually non stop since replacing the PSU's over year now. And an S1 tucked up on the top shelf working as well.
I can't believe how stable these Bitmain miners are. Mining FRC of course with a single reboot a year hope it pays off in a few years should prices spike again.
We will run these until they die. Upgrade kits... that be cool.
I can't believe how stable these Bitmain miners are. Mining FRC of course with a single reboot a year hope it pays off in a few years should prices spike again.
We will run these until they die. Upgrade kits... that be cool.
Are those Technobit boards down there
Our S2's have been working virtually non stop since replacing the PSU's over year now. And an S1 tucked up on the top shelf working as well.
I can't believe how stable these Bitmain miners are. Mining FRC of course with a single reboot a year hope it pays off in a few years should prices spike again.
We will run these until they die. Upgrade kits... that be cool but
Are they close to doing it though? Given the Bitmain post?
Maybe Sidehack could build something to fit S2's? Bitmain certainly will work with you on chips for something like that. Our group has some Bitmain chips but not a lot.
I can't believe how stable these Bitmain miners are. Mining FRC of course with a single reboot a year hope it pays off in a few years should prices spike again.
We will run these until they die. Upgrade kits... that be cool but
Quote
To all customers that ordered AntMiner S2s: We analysed the business case for S2 upgrade kits for end users and determined that it would not be worthwhile for either party.
Are they close to doing it though? Given the Bitmain post?
Quote
we are listening and taking info but R&D team is working to make it happen as much as they reasonably can...
S2 upgrade kit uses more chips than S5, but it is the same chip BM1834.
PSU wise, original 1000W PSU should be more than sufficient. (That is the plan) Even the slightly under-performing S2 PSU that could hash 9 PCB but not 10, would work as well.
lets wait for the R&D to say, let it open the flood gate for the sale
These are the S2 upgrade kit hashing PCB displayed in Burin, Germany and Amsterdam, Netherlands last week.
S2 upgrade kit uses more chips than S5, but it is the same chip BM1834.
PSU wise, original 1000W PSU should be more than sufficient. (That is the plan) Even the slightly under-performing S2 PSU that could hash 9 PCB but not 10, would work as well.
lets wait for the R&D to say, let it open the flood gate for the sale
These are the S2 upgrade kit hashing PCB displayed in Burin, Germany and Amsterdam, Netherlands last week.
Maybe Sidehack could build something to fit S2's? Bitmain certainly will work with you on chips for something like that. Our group has some Bitmain chips but not a lot.
after the rise of prices at bitmain and the limitation of 1kw psu, i sold all my antminer s2!
waiting for some spondoolies atm
waiting for some spondoolies atm
I was going to buy a third one as well but was waiting on price. I was thinking it won't be more than the S5 currently. Cuz that wouldn't make sense.
What will be the price for that S2 upgrade kit? At least roughly?..
I am almost ready to buy second S2, but if Bitmain set the price, for example, 700-900 USD per one kit....
I am almost ready to buy second S2, but if Bitmain set the price, for example, 700-900 USD per one kit....
Haven't taken the heatsinks off before but a few screws and done. The paste is another matter. Messy and sticky but do remove and clean all the old paste before applying the new. Use the highest % of Isopropyl Alcohol you can find, usually at most RiteAids or Walgreens or any drug store. The old boards put on Ebay for others needing working boards. They've been selling around $30 a piece currently but that's with the heatsink. Easily a couple hour job depending on how many pcb boards are in a kit.
I have a single S2 that's powered off, collecting dust in anticipation of the S6 upgrade option becoming available.
I suspect it will probably be the last miner I ever buy :|
I suspect it will probably be the last miner I ever buy :|
not that much hashing powre!!! Wish it is the case... 
total hashing PCB is not finalized but 1 short of lucky 7? may be??? the 3 hashing PCB were displayed so multiple customers could pick them up and hold it and take a closer look. and no space for more on the table.
if all goes well, the total power consumption is well under 1000W so there is no need to buy a bigger stronger PSU. Thermo paste, yes, please get that ahead of time and MUST BE NON-CONDUCTIVE!!!
1) Is it easy to remove the heat sinks from the old S2 hashing boards?total hashing PCB is not finalized but 1 short of lucky 7? may be??? the 3 hashing PCB were displayed so multiple customers could pick them up and hold it and take a closer look. and no space for more on the table.
if all goes well, the total power consumption is well under 1000W so there is no need to buy a bigger stronger PSU. Thermo paste, yes, please get that ahead of time and MUST BE NON-CONDUCTIVE!!!
2) Is it easy to apply thermal paste to the old heat sinks and screw them to the new hashing boards correctly?
3) Any advice on what to do with the old S2 hashing boards?
From what I can speculate from the lack of definates is 6 pcb's with 18 chips per board (same chips as S5) running underclocked to achieve >.4 wgh. 
Come on Bitmain R&D we want to help test these. So at these presumed specs are we closer to 3 th for the kit?
Come on Bitmain R&D we want to help test these. So at these presumed specs are we closer to 3 th for the kit?
I bought a PSU-less stock machine for the museum, and it looks like the guy that was giving me one is actually giving me two (one of which may not work?) in exchange for some service so I might have a spare to jack with and see how far it'll push. Externally powered for an S6 would be nice, as long as the backplane traces are good for high current.
Ah, guess my numbers were a bit off when I was looking over that config a couple days ago. Let's go back over that...
According to the chart in the first post of your S5 thread, 10GH per chip should be possible at 0.67V (12V/18 string) which should put up 360GH per ~100W board. Is that chart wrong, or am I overlooking something?
edit:
Assuming the W/GH is linear between 0.65V and 0.70V, at 0.667V you'd see right at 0.3W/GH so a 100W board with 36 chips at 0.667V would max at 333GH or 9.25GH per chip. This gets a 3.3TH miner at 10 boards 1000W but probably means underclocking to do it. If they're looking more like 12GH per chip at 6 boards, that'd be 430GH at 130W per board, 2.6TH at about 800W. That's a ballpark based on some assumptions. Bitmain, am I close?
According to the chart in the first post of your S5 thread, 10GH per chip should be possible at 0.67V (12V/18 string) which should put up 360GH per ~100W board. Is that chart wrong, or am I overlooking something?
edit:
Assuming the W/GH is linear between 0.65V and 0.70V, at 0.667V you'd see right at 0.3W/GH so a 100W board with 36 chips at 0.667V would max at 333GH or 9.25GH per chip. This gets a 3.3TH miner at 10 boards 1000W but probably means underclocking to do it. If they're looking more like 12GH per chip at 6 boards, that'd be 430GH at 130W per board, 2.6TH at about 800W. That's a ballpark based on some assumptions. Bitmain, am I close?
^sounds about right. Bitmain has said the new chips can do around 0.3w/GH at lower speeds (probably at the PSU, not at the wall), so easch board running at something like 320GH would allow 3.2TH by filling all the slots in an S2.
however, It would be pretty sweet if it was setup to do ~3TH/1kW using only 7 boards or so, giving the option for those with bigger power supplies to buy an extra 1-3 boards to turn the S2 into a maximum of 4.2TH/1.4kW system.
Ive sold off my S2 units already since this upgrade took so long to produce, but hopefully bitmain can make a high-density, externally-powered S6 or equivelent that could be somewhat comparable in specs to an SP31
my used s2 is shipping to me today i almost wish i grabbed that cheap one on ebay with 9/10 boards able to function after reading this won't be slapped full.
i also think this is a great idea.
i almost wish i grabbed that cheap one on ebay with 9/10 boards able to function after reading this won't be slapped full.I think that such a possibility (to choose desireable quantity of the boards to buy) will be very, VERY convenient for all S2 owners. One would like to buy 3 boards, another (like me, with advanced PSU) would prefer to buy 4 boards... May be someone will buy 5 boards?..
i also think this is a great idea.
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