philipma1957
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'The right to privacy matters'
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January 02, 2019, 12:38:18 AM |
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PassthePopcorn posted some results from their miner in the Competitive hardware thread, I just haven't had the chance to update it.
So far it looks like a good buy if you've set up KYC with Bitmain. Especially if you have higher power costs as they are so far showing great options for efficiency for both of the miners.
Obviously it's a small sample but well see as more if them arrive
I am trying to get both a t15 and a s15. Since I won’t use bitmain direct and will only pay via PayPal or Credit Card it has proven difficult to do so.
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philipma1957
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'The right to privacy matters'
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January 02, 2019, 01:03:45 AM Last edit: January 02, 2019, 09:07:36 AM by frodocooper |
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They let me buy the a921 that I reviewed a week or so ago. Maybe they would let me get the t15 and the s15 via cc or PayPal.
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mgoz
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January 02, 2019, 01:04:31 AM |
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They were accepting credit cards previously. Maybe they got a lot of charge backs from batch 1? I'm still waiting on mine and disappointed that I will essentially be receiving it the same time as batch 2. No point in doing pre-orders when they drop the price and you don't receive on time.
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philipma1957
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'The right to privacy matters'
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January 02, 2019, 01:21:46 AM |
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They were accepting credit cards previously. Maybe they got a lot of charge backs from batch 1? I'm still waiting on mine and disappointed that I will essentially be receiving it the same time as batch 2. No point in doing pre-orders when they drop the price and you don't receive on time.
Yeah I got the a921 on a cc. It would be nice if they let me get the t15 via cc. I’d review it and move it onto the solar array. Then get a s15 review and move it onto the solar array. I am frustrated that I do see a mention of cc but not a tab to press it.
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Artemis3
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CLEAN non GPL infringing code made in Rust lang
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January 02, 2019, 05:14:06 AM |
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The S15 seems to work as advertised, however there doesn't seem to be a way to SSH into it. The dropbear daemon is there but it is set to not allow connections. Does the T15 allow for SSH?
After it got up to speed it was using 18V, but was using 20V until it started.
The S15 also seems to use cgminer and not bmminer as previous miners use. Wait, no SSH? I don't like that... Also those exposed rails on the back look like a disaster waiting to happen...
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█████████████████████████ ██████████████████████████ ██████████████████████████ ███████████████████████████ | BRAIINS OS+| | AUTOTUNING MINING FIRMWARE| | Increase hashrate on your Bitcoin ASICs, improve efficiency as much as 25%, and get 0% pool fees on Braiins Pool | |
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Foofighter
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January 02, 2019, 01:04:02 PM Last edit: January 03, 2019, 01:04:25 AM by frodocooper |
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We received our S15 and T15s today from first batch, maybe will do some testing later.
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ex official Canaan Distributor (Cryptouniverse)
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philipma1957
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'The right to privacy matters'
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January 02, 2019, 02:35:00 PM Last edit: January 03, 2019, 01:04:43 AM by frodocooper |
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Wait, no SSH? I don't like that... Also those exposed rails on the back look like a disaster waiting to happen...
the rails may need some electrical tape. for the sake of safety. I am hoping blokforge gets back to me about using a cc to get a t15
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minefarmbuy
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We are not retail.
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January 02, 2019, 04:00:29 PM |
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If we ever see an asic's box we try have them picked up same day for distribution. FedEx in states and to Canada have been best rates domestically, nothing to Latin America for couple months though. I'd love to get one, the s9 at 13.5th/s is still drawing 1200w even with new firmware.
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qctechno_isback
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January 02, 2019, 05:07:10 PM Last edit: January 03, 2019, 01:05:29 AM by frodocooper |
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We received our S15 and T15s today from first batch, maybe will do some testing later.
please feed us, I expect them to be quieter with dual cooling channel
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HagssFIN
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Electrical engineer. Mining since 2014.
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January 02, 2019, 07:41:37 PM Last edit: January 03, 2019, 01:05:55 AM by frodocooper |
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It seems that the final version of the steel tube case is built differently than the one in the pictures and power rails are inside the case. https://www.youtube.com/watch?v=L30Huk-6WNg
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VRobb
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January 02, 2019, 07:57:37 PM Last edit: January 03, 2019, 01:06:12 AM by frodocooper |
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It would be interesting to test out the S15 and see the performance, but I'm not sure if I want to buy one... VRobb, please keep us updated on your S15 results. It's scheduled to arrive at the mine on the 4th. Once it's up and running I'll pass along power and hashrate numbers as best I can!
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I don't believe in superstition because it's bad luck: 13thF1oor6CAwyzyxXPNnRvu3nhhYeqZdc These aren't the Droids you're looking for: S5 & S7 (Sold), R4B2, R4B4 (RIP), 2x S9 obsolete, 2xS15-28, S17-56, S17-70 Pushing a whopping 1/5 PH! Oh The SPEED!!!
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qctechno_isback
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January 02, 2019, 08:49:09 PM Last edit: January 03, 2019, 01:06:29 AM by frodocooper |
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Fan noises sound less annoying than the S9 but video stopped just before they operated with higher speed. Now, let's see if this miner is solid.
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NotFuzzyWarm
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Evil beware: We have waffles!
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January 02, 2019, 10:59:55 PM |
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When you get it, please take a look at how power is fed to the hash boards. I'm thinking that BM will not be having Vcore regulators on each board and instead will be controlling output of the PSU itself with the chip strings fed directly from the rails. Reason: Losing the additional board level regulators gains several % efficiency
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Artemis3
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CLEAN non GPL infringing code made in Rust lang
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January 03, 2019, 12:56:06 PM |
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Oh wow that's better... I wonder if that new fan placement is better than the usual tunnel? And what are RPMs for the two fans?
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█████████████████████████ ██████████████████████████ ██████████████████████████ ███████████████████████████ | BRAIINS OS+| | AUTOTUNING MINING FIRMWARE| | Increase hashrate on your Bitcoin ASICs, improve efficiency as much as 25%, and get 0% pool fees on Braiins Pool | |
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hacky
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January 03, 2019, 03:52:26 PM Last edit: January 03, 2019, 11:57:33 PM by frodocooper Merited by OgNasty (5), frodocooper (3) |
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... I wonder if that new fan placement is better than the usual tunnel? And what are RPMs for the two fans?
I have my S15 running for 1 day. The two fans for the hashboards are more silent than the little fans in the power supply (APW8). The two fans runs between 3500-3600 and 5000-5100 rpm (21°C ambient). It seems there are two speeds for the fans at full power (1590-1600 W for 28.4 TH/s), maybe more speeds if the ambient temp rises, will see No problem for the moment after 30 hours of mining. Slush pool returns a day average of 28.5 Th/s. That's OK with the specs. https://imgur.com/4VUJV0hHappy mining !
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sikke1
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January 03, 2019, 04:32:20 PM Last edit: January 04, 2019, 12:00:05 AM by frodocooper |
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This is Antminer T15 It's good -14 here in Finland today. I was sure the T15 wont boot at -10 but it's just very very slow at booting up. This unit takes 30 minutes to load. While watching the kernel log it goes trough some long checks to overclock the ASIC boards and check everything. Ambient temperature is roughly -7c I don't know if it doesn't like cold start. 2019-01-03 16:44:50 driver-btm-soc.c:7811:bitmain_soc_init: Open 1/4 core for reading temperature. 2019-01-03 16:44:50 driver-btm-soc.c:3946:open_core_BM1391_pre_open: pre open core = 16 2019-01-03 16:44:51 driver-btm-soc.c:3921:pre_open_core_one_chain: for chain 0 2019-01-03 16:44:51 driver-btm-soc.c:3921:pre_open_core_one_chain: for chain 1 2019-01-03 16:44:52 driver-btm-soc.c:3921:pre_open_core_one_chain: for chain 2 2019-01-03 16:44:52 temperature.c:240:is_tempsensor_data_correct: Bad,temp_info.type = 0 2019-01-03 16:44:52 temperature.c:356:calibration_sensor_offset: chain[0] temp info,Bad. Reload from eeprom.. sensor type = 0,sensor num = 4 sensor pos: 15 11 45 41 0 0 0 0 sensor offset: 0 0 0 0 0 0 0 0 2019-01-03 16:44:52 temperature.c:382:calibration_sensor_offset: chain[0] temp chip I2C addr=0x98 2019-01-03 16:44:52 temperature.c:240:is_tempsensor_data_correct: Bad,temp_info.type = 0 2019-01-03 16:44:52 temperature.c:465:calibration_sensor_offset: Warning: Chain[0] has no temp info ! we will fix it 2019-01-03 16:44:52 chip1391.c:723:set_misc_control: cmd_buf[0]=0x41093818, cmd_buf[1]=0x6131, cmd_buf[2]=0x2000000, misc=0x6131 2019-01-03 16:44:53 temperature.c:487:calibration_sensor_offset: Chain[0] use default temp chip[14] 2019-01-03 16:44:53 temperature.c:496:calibration_sensor_offset: Chain[0] Chip[14] get middle temp offset=-5 typeID=55
*update* This is full log of 22minutes Antminer T15 boot. https://pastebin.com/LPaXp2CaIncrease frequency to 510.00M 2019-01-03 17:05:50 driver-btm-soc.c:5982:set_timeout: freq 510 final timeout=462 2019-01-03 17:05:50 freq_tuning.c:1779:freq_tuning_pre_test_for_user_mode: Pre-test: done. 2019-01-03 17:05:50 freq_tuning.c:2840:do_pre_test_for_user_mode: [b]Pre-test cost 1170s.[/b] [b]<---20minutes boot[/b] 2019-01-03 17:05:51 power.c:439:get_chain_voltage: chain[0], voltage is: 15.99 2019-01-03 17:05:52 power.c:439:get_chain_voltage: chain[1], voltage is: 15.97 2019-01-03 17:05:52 power.c:439:get_chain_voltage: chain[2], voltage is: 15.99 2019-01-03 17:05:52 power.c:462:get_average_voltage: average voltage is: 15.98 2019-01-03 17:05:52 driver-btm-soc.c:7889:bitmain_soc_init: Init done!
Power 1563W Temps and pictures with 24H of mining done at -7 Fan Speed (r/min)# fan1 2640 fan2 2880
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sarcheer
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January 04, 2019, 08:24:17 PM |
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Just bought a T15 off of ebay for 1k, free shipping, no customs. I will update this thread with pictures, info, and my impressions.
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Miners: Avalon 1041, Whatsminer M10, Antminer T15 x 2, DragonMint T1 x 3, Innosilicon T2T, R4 x 2
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philipma1957
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'The right to privacy matters'
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January 04, 2019, 08:26:24 PM |
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Just bought a T15 off of ebay for 1k, free shipping, no customs. I will update this thread with pictures, info, and my impressions.
it is an okay price good luck with it.
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