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Topic: ANTMINER S2 Discussion and Support Thread - page 31. (Read 355797 times)

hero member
Activity: 918
Merit: 1002
i had see someone to tell to put in and put out the sd card
untill the board start again boot
but i do not remebe very well the steps any details
please
After having no setup issues and running great for the last couple of weeks, I woke up this morning to find my batch 1 AntMiner S2 not hashing, fans going full speed, panel dim and the red light solid. Recalling that others here have had the same issue, I went back and skimmed over the previous posts and found that the likely issue was probably a corrupt SD card. That was indeed the case, as I am now back up and running, and I figure the problem started when a brief power outage occurred here this morning. Thought I would briefly summarize what I did to recover, which may be of special interest to those folks using a Mac to write to their SD cards:

- ran to the store and bought a 4gb Sandisk microSD card. They didn't have any class 10 cards, only class 4, but it seems to work (ordered a couple class 10s from Amazon for backup).
- Downloaded onto my MacBook the latest firmware from the bitmaintech website, as well as the SD card image from https://dl.dropboxusercontent.com/u/16075357/bitmain.img.zip (thanks 1l1l11ll1l)
- put the new microSD card in the adapter, shoved it into my MacBook, read through the guide at http://elinux.org/RPi_Easy_SD_Card_Setup, and then ran these commands in Terminal:
   cd Desktop (my bitmain.img was on the desktop)
   diskutil list (to find the disk name of SD card, mine was disk2, so replace disk2 below with what yours is)
   diskutil unmountDisk /dev/disk2
   sudo dd bs=1m if=bitmain.img of=/dev/disk2 (this took 30 minutes to complete)
- once SD card was ready, I opened up the AntMiner, pulled out the BeagleBone card, swapped SD cards and reassembled
- powered up, and it started hashing again. Connected to the miner from the browser, uploaded the latest firmware, changed to point to my pool, and everything was golden.

Much thanks to all of previous posters that talked about this issue, as your help got me back up in hours as opposed to days.
legendary
Activity: 2408
Merit: 1004
i had see someone to tell to put in and put out the sd card
untill the board start again boot
but i do not remebe very well the steps any details
please
legendary
Activity: 2408
Merit: 1004
bitmain s2 lcd monitor nothing to see and not put s2
legendary
Activity: 3892
Merit: 4331
how install the sd tool
step by step details

the board had all the lights on

page 86
legendary
Activity: 2408
Merit: 1004
how install the sd tool
step by step details

the board had all the lights on
legendary
Activity: 3892
Merit: 4331
the s2 does not start up
what i must do
i mean sd card?

1. don't try immediately after it shut down (by itself). Wait 10-20 min. Somehow, this helps.
2. If #1 does not work, try with a different PSU (EVGA1300 was better for some).
3. If shutdowns continue and the temperature in the room is below 35oC (it does shut down above 35oC), then remove one hashing board and hash with nine.
4. sd card preparation instruction is on page 86
legendary
Activity: 2408
Merit: 1004
the s2 does not start up
what i must do
i mean sd card?
newbie
Activity: 60
Merit: 0
I would like to order up to 5 units. Looking for coupons to buy first! Please PM if you would like to sell. Bitmain username for donating coupons is DotSauce.

Anyone have an idea or guess when S2 upgrade package will be announced / shipped? I'm guessing it will be a couple replacement hashboards?
sr. member
Activity: 395
Merit: 250
That board in the middle is controller board thus no heatsink.
sr. member
Activity: 392
Merit: 250
Buy buy buy ,Lol  Grin
legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
hurry  up and lets get these sold out.  Bitmaintech is not going to sell any s-3's  until these are gone.  We need these to get purchased.
sr. member
Activity: 399
Merit: 250
Cryptocurrency Evangelist
Is it me or does that one blade in your image not have any sort of heat sink on it ?

Also, still looking for five (5) S2 coupons that don't expire for at least a week or longer, just PM me with what you got... will make a sum total 0.4 donation for all.

Edit: My BitMain name is the same as my name here, MoreBloodWine
You are right ,the main controller card have no heat sink.
5 Asic cards above, 5 Asic cards below it have heat sink.
legendary
Activity: 1064
Merit: 1001
Ahh.
legendary
Activity: 966
Merit: 1003
Is it me or does that one blade in your image not have any sort of heat sink on it ?

Also, still looking for five (5) S2 coupons that don't expire for at least a week or longer, just PM me with what you got... will make a sum total 0.4 donation for all.

Edit: My BitMain name is the same as my name here, MoreBloodWine
That one in the middle without a heatsink is the controller card no asics on it.
legendary
Activity: 1064
Merit: 1001
Is it me or does that one blade in your image not have any sort of heat sink on it ?

Also, still looking for five (5) S2 coupons that don't expire for at least a week or longer, just PM me with what you got... will make a sum total 0.4 donation for all.

Edit: My BitMain name is the same as my name here, MoreBloodWine
sr. member
Activity: 399
Merit: 250
Cryptocurrency Evangelist
We have received an S2 Antminer yesterday.
The 1000W Enermax PSU of Antminer was not working at all from the start!
So we have no way just to replace it.
We have replaced it with an EVGA G2 1000W 80 Plus Gold PSU and now the unit running!

Here is the pics:




I hope that Bitmain cover our costs and the headaches to find the problem!
newbie
Activity: 19
Merit: 0
@lkthomas
pm sent

@Gamer67
please recommend me a trusted escrow here in forums, i have no problem using it
sr. member
Activity: 294
Merit: 250
тσ ¢σιи σя иσт тσ ¢σιи?
Anyone have valid coupons for S2s? Please let me know I would like to buy.

I have few second hands units S2, i am willing to sell some. In case you are interested, please PM me. I am from Hong Kong, but i am shipping with DHL, so it arrives after 3-5 working days.

Please check private message.

Please use caution when doing backroom deals. There is a very high chance that you will get scammed. Always use a trusted escrow and do not let greed blind your judgement. Wink
legendary
Activity: 1064
Merit: 1001
Anyone got any valid S2 coupons that dont expire for at least a week... waiting on a BTC refund that I hope to have inside 7 days but the greater the exp date the better.

Looking for 5 coupons.

My bitmain name is the same as here, Ty.
newbie
Activity: 60
Merit: 0
Anyone have valid coupons for S2s? Please let me know I would like to buy.

I have few second hands units S2, i am willing to sell some. In case you are interested, please PM me. I am from Hong Kong, but i am shipping with DHL, so it arrives after 3-5 working days.

I would be skeptical of anyone selling S2 right now. They are still profitable... why are you selling?
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