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I've applied copper heatsinks to the back of the new unmodded h-cards i have, directed fans (3x 120 mm) at them but the cards still get so hot they seem on the verge of burning up.
What else can i try?
Does anyone have instructions that show how to adjust the voltage using the trimpots?
For now, I'd like to turn down the voltage to get ~25gh/s (currently at 33+ gh/s).
Thank you.
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@swimmer63
I applied the heatsinks to the back of the cards. It's the cards themselves that are getting extremely hot.
Are there instructions anywhere that show how to adjust the voltage using the trimpots?
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I've heatsinked the new unmodded h-cards i have, directed fans (3x 120 mm) at them but they still get so hot they seem on the verge of burning up.
What else can i try?
For the time being, how should i set the trimpot on these cards to get ~25gh/s? (currently at 33+ gh/s)
Thank you.
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I've just received a Bitfurystrikesback v2.3 M-board from Megabigpower.
Is there a link to an rPi image file and H-card installation instructions for this m-board? I'm only familiar with the v1 m-board MBP shipped in August.
Thank you.
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My kit has developed stability issues in the last few days. On power up or miner restart, it runs at full speed (around 40 gh/s) but then starts losing hashrate. Right now it only takes 10 minutes before the speed is down to 0. Any ideas on what i can do? Here's the stat log file just before i restart the miner: 1 AiFDso 55 0.429 0.687 30 594 24 8 65 [0:0] 565 2 2 2 2 3 0 1 1 1 2 2 3 4 1 2 2 39 43 35 32 38 42 39 39 35 37 20 40 30 43 41 41
2 AiFDso 55 0.258 0.602 18 445 12 10 57 [0:1] 549 1 1 2 1 1 1 1 1 2 2 0 0 1 1 1 2 26 30 29 31 33 26 28 28 29 23 32 30 25 23 28 24
3 AiFDso 55 0.329 0.624 23 450 17 4 59 [0:2] 570 1 2 2 2 2 2 1 3 2 0 1 1 1 1 1 1 31 33 15 29 21 31 25 29 31 29 36 27 28 27 32 26
4 AiFDso 55 0.401 0.550 28 438 12 6 52 [0:3] 566 2 2 1 1 2 2 2 2 2 4 2 1 1 2 1 1 29 32 28 23 34 19 17 32 17 28 33 24 35 32 24 31
5 AiFDso 55 0.229 0.613 16 411 13 6 58 [0:4] 550 1 0 0 2 2 2 4 2 0 0 0 1 1 0 0 1 30 26 26 29 23 20 26 21 26 23 30 24 21 30 27 29
6 AiFDso 55 0.000 0.687 0 543 24 2 65 [0:5] 753 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 37 33 31 35 32 32 36 29 27 35 37 33 34 33 35 44
7 AiFDso 55 0.415 0.602 29 492 16 1 57 [0:6] 540 2 2 1 1 2 2 2 2 1 1 3 3 3 1 1 2 25 37 21 32 36 19 29 29 36 39 35 33 31 29 30 31
8 AiFDso 55 0.401 0.539 28 439 5 10 51 [0:7] 532 1 1 1 2 1 1 2 2 2 1 2 2 3 2 3 2 23 30 29 23 27 28 35 32 27 32 28 22 24 28 27 24
9 AiFDso 55 0.372 0.560 26 434 7 5 53 [0:8] 546 2 2 2 1 2 2 2 2 2 1 3 1 1 2 1 0 25 31 24 29 30 17 22 28 27 23 31 30 31 31 21 34
10 AiFDso 55 0.344 0.624 24 384 15 8 59 [0:9] 555 1 1 2 2 1 2 2 2 2 1 1 1 1 2 1 2 23 29 21 28 19 21 24 25 27 23 23 24 20 26 23 28
11 AiFDso 55 0.415 0.634 29 501 14 3 60 [0:A] 542 1 2 3 2 1 2 2 1 2 0 3 2 1 2 2 3 31 34 31 27 36 27 36 30 31 35 34 23 32 34 30 30
12 AiFDso 55 0.401 0.507 28 425 4 9 48 [0:B] 534 2 2 1 2 3 3 0 0 1 2 3 2 2 2 1 2 29 30 21 27 30 29 30 26 29 30 23 24 29 20 21 27
13 AiFDso 55 0.344 0.550 24 480 9 1 52 [0:C] 558 0 0 1 2 2 2 2 0 1 3 2 2 2 2 2 1 35 31 16 29 33 33 31 35 31 33 33 23 31 33 32 21
14 AiFDso 55 0.258 0.687 18 465 21 5 65 [0:D] 546 1 2 1 1 3 1 1 0 0 1 1 1 1 1 2 1 23 32 24 32 34 24 34 28 36 27 29 24 21 31 32 34
15 AiFDso 55 0.286 0.602 20 485 12 0 57 [0:E] 521 1 1 1 0 0 1 1 1 1 1 3 2 2 2 2 1 36 31 34 33 34 39 36 37 12 26 26 25 21 36 33 26
16 AiFDso 55 0.401 0.592 28 369 10 12 56 [0:F] 551 1 2 2 1 2 1 2 2 2 2 2 1 2 2 2 2 20 20 23 28 23 16 23 24 29 24 24 18 27 25 26 19
17 AiFDso 55 0.315 0.624 22 451 12 2 59 [1:0] 554 2 1 1 2 2 2 1 2 1 1 1 1 1 1 1 2 34 29 31 33 31 24 35 13 31 27 29 27 30 20 34 23
18 AiFDso 55 0.315 0.634 22 406 15 7 60 [1:1] 558 1 2 2 3 2 1 1 2 1 1 0 1 2 1 1 1 31 25 26 25 24 12 26 27 22 27 29 28 29 27 28 20
19 AiFDso 55 0.429 0.571 30 403 11 2 54 [1:2] 550 3 1 3 1 1 2 2 1 2 1 1 2 2 2 3 3 24 18 25 28 24 22 24 24 29 25 26 26 28 27 28 25
20 AiFDso 55 0.072 0.444 5 368 8 4 42 [1:3] 671 0 0 1 1 1 0 0 0 1 1 0 0 0 0 0 0 28 25 20 29 24 28 25 23 20 22 27 26 25 18 8 20
21 AiFDso 55 0.043 0.497 3 339 5 3 47 [1:4] 745 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 19 20 18 25 15 16 18 15 25 21 28 24 26 24 19 26
22 AiFDso 55 0.487 0.518 34 293 6 6 49 [1:5] 545 2 3 3 3 3 2 2 1 2 2 4 1 1 1 2 2 18 21 17 22 11 20 15 16 13 15 20 22 17 24 18 24
23 AiFDso 55 0.472 0.592 33 390 13 0 56 [1:6] 532 2 2 2 1 1 2 1 2 2 2 4 3 3 2 2 2 21 26 21 29 28 29 22 26 28 15 26 25 27 25 24 18
24 AiFDso 55 0.344 0.560 24 257 7 13 53 [1:7] 560 1 1 1 2 0 0 2 1 2 1 3 3 3 3 1 0 13 16 17 19 17 15 18 18 14 16 15 14 18 19 14 14
25 AiFDso 55 0.315 0.634 22 338 15 1 60 [1:8] 545 1 2 2 2 2 2 2 1 0 0 1 2 2 2 1 0 23 20 21 14 23 24 21 17 26 25 22 26 22 22 15 17
26 AiFDso 55 0.372 0.550 26 310 11 6 52 [1:9] 549 2 0 1 2 2 2 2 2 1 2 2 2 1 2 2 1 16 18 22 12 18 20 22 20 19 22 21 20 15 23 22 20
27 AiFDso 55 0.515 0.581 36 314 10 7 55 [1:A] 545 3 2 3 2 2 3 3 2 2 2 2 1 2 2 2 3 18 24 13 22 12 24 18 26 18 20 18 20 20 21 23 17
28 AiFDso 55 0.272 0.645 19 392 16 1 61 [1:B] 550 1 1 0 2 1 2 2 2 2 0 3 1 1 0 0 1 7 27 25 27 20 20 21 23 27 29 26 26 25 29 29 31
29 AiFDso 55 0.472 0.528 33 321 7 8 50 [1:C] 526 2 2 2 2 1 2 1 2 2 2 2 3 3 2 3 2 22 26 22 16 22 20 22 22 19 21 22 18 18 17 18 16
30 AiFDso 55 0.215 0.539 15 297 4 6 51 [1:D] 535 1 1 0 0 0 1 1 1 1 1 2 2 1 1 1 1 18 21 19 16 15 20 15 15 21 19 19 20 14 20 21 24
31 AiFDso 55 0.344 0.454 24 308 3 5 43 [1:E] 557 1 1 2 2 2 1 1 3 2 1 1 2 1 1 1 2 17 21 18 19 18 22 13 16 18 20 23 19 22 23 23 16
32 AiFDso 55 0.315 0.581 22 309 7 3 55 [1:F] 522 2 2 2 2 2 2 1 0 1 1 1 1 1 1 2 1 21 21 20 20 18 15 17 21 22 15 22 23 17 22 17 18
speed:0 noncerate[GH/s]:10.580 (0.331/chip) hashrate[GH/s]:18.613 good:739 errors:12851 spi-err:365 miso-err:164 jobs:376 cores:26% good:0 bad:32 off:0 (best[GH/s]:41.489) Sun Sep 22 04:11:28 2013
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Thank you for that link to the rpi img file.
Now i just need to wait a few more hours for it to download over my "high-speed" internet connection...
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Hi -Redacted-,
By restart i meant i powered the units off, left them off for a while, then powered them back on again.
I've just discovered that the red led means the rpi is getting power, but no green light means the sd card is unreadable.
I tried to back up the card tonight with the instructions you gave back in post #23, but win32diskimager failed with an error after 1% of the card had been read. I believe if i had done this when i received the kit, i wouldn't be on here now asking for help!
Can someone upload the sd card image for me, the one that shipped with the kit? Thank you.
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I'd like to ask for your help with a problem i am having with my bitfury full kit.
I have worker1 set for the 16h board unit; worker2 set for the 2h board unit.
Everything's been working great (with the occasional restart) since day one.
A few hours ago the hash rate of worker2 started decreasing from 45 down to 8. restart fixed it for a while before the hash rate started dropping to 0 again. After the second or third restart, the unit now doesn't respond at all (putty/browser), there's no activity on the ethernet link, only the red led on the rpi is lit.
A few minutes ago, the exact same thing happened to worker1!
Has anyone else had this issue? If so, what's the cause and what can i do to fix it?
Thank you.
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Can someone tell me why I'm seeing the below hashrate differences for my 400 gh/s kit?
Bitfury admin pages noncerate is 417.51 gh/s. Slush's pool is 2.9 gh/s!
Bitfury admin page 1 (xxx.xxx.x.250)
Noncerate: 45.04GH/s
pool config: stratum.bitcoin.cz, 3333, idxxx.worker1
Bitfury admin page 2 (xxx.xxx.x.251)
Noncerate: 372.474GH/s
pool config: stratum.bitcoin.cz, 3333, idxxx.worker2
Slush's Pool
curr sugg.
login shares score Mhash/s stratum diff.
idxxx.worker1 954 2043.1946 1411.922 yes 32
idxxx.worker2 1009 2129.3236 1493.323 yes 256
Average hashrate in last 10 rounds: 3708 Mhash/s
Unconfirmed reward: 0.01430835 BTC
Confirmed reward: 0.00182180 BTC
These rewards are for about 1 day of mining.
Thank you.
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6AWVD4UvmQjrqGtdkE4CeAsSS2yitCpf2X
Thanks!
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5 posts seems reasonable.
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litecoins received. Thank you franky1!
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Here's my Litecoin address: LeSNYdEXn62mjoDUnoWvk64RHwNx7M3mr1
Thank you!
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