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Hello,
I have problem after playing around with one of cards:
[2014-11-20 01:36:59] Started cgminer 4.7.0
[2014-11-20 01:37:00] HFA: Found device with name 4f577ab79ee6z
[2014-11-20 01:37:00] Probing for an alive pool
[2014-11-20 01:37:00] Pool 0 difficulty changed to 32
[2014-11-20 01:37:01] Network diff set to 40.3G
[2014-11-20 01:37:03] ERR: Asked to memcpy 0 bytes from usbutils.c _usb_read():3197
[2014-11-20 01:37:03] HFA : OP_USB_INIT failed! Operation status 17 (ASIC core power fault)
[2014-11-20 01:37:03] HFA : OP_USB_INIT: Quadrant 3 (of 4) regulator failure
[2014-11-20 01:37:06] API running in UNRESTRICTED read access mode on port 4028 (9)
After that it goes in loop and trying to start.
What is Quadrant and regulator?
Each of the four dies is a quadrant. The regulator is what feeds low voltage power to the chip. Quadrant 3 would be the one diagonally across from the side with the USB header. Sounds like your board has a fault on it.  In picture quadrant 3, it is high diagonally on left, closest to USB header? Will check regulators, it can be faulty capacitor for that quadrant maybe too? It is possible to get diagram for Hashfast boards?  I had Antminer s1 with broken capacitor and regulator, i fixed regulator and worked ok without capacitor...  If you figure it out or find a way to bypass that die or something, please share. I have the same issue with several cards. Set the voltage for that die to 0 and it will bypass it. Can you explain little more how to do that in your opinion? |
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Hello,
I have problem after playing around with one of cards:
[2014-11-20 01:36:59] Started cgminer 4.7.0
[2014-11-20 01:37:00] HFA: Found device with name 4f577ab79ee6z
[2014-11-20 01:37:00] Probing for an alive pool
[2014-11-20 01:37:00] Pool 0 difficulty changed to 32
[2014-11-20 01:37:01] Network diff set to 40.3G
[2014-11-20 01:37:03] ERR: Asked to memcpy 0 bytes from usbutils.c _usb_read():3197
[2014-11-20 01:37:03] HFA : OP_USB_INIT failed! Operation status 17 (ASIC core power fault)
[2014-11-20 01:37:03] HFA : OP_USB_INIT: Quadrant 3 (of 4) regulator failure
[2014-11-20 01:37:06] API running in UNRESTRICTED read access mode on port 4028 (9)
After that it goes in loop and trying to start.
What is Quadrant and regulator?
Each of the four dies is a quadrant. The regulator is what feeds low voltage power to the chip. Quadrant 3 would be the one diagonally across from the side with the USB header. Sounds like your board has a fault on it. In picture quadrant 3, it is high diagonally on left, closest to USB header? Will check regulators, it can be faulty capacitor for that quadrant maybe too? It is possible to get diagram for Hashfast boards? I had Antminer s1 with broken capacitor and regulator, i fixed regulator and worked ok without capacitor... |
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Hello,
I have problem after playing around with one of cards:
[2014-11-20 01:36:59] Started cgminer 4.7.0
[2014-11-20 01:37:00] HFA: Found device with name 4f577ab79ee6z
[2014-11-20 01:37:00] Probing for an alive pool
[2014-11-20 01:37:00] Pool 0 difficulty changed to 32
[2014-11-20 01:37:01] Network diff set to 40.3G
[2014-11-20 01:37:03] ERR: Asked to memcpy 0 bytes from usbutils.c _usb_read():3197
[2014-11-20 01:37:03] HFA : OP_USB_INIT failed! Operation status 17 (ASIC core power fault)
[2014-11-20 01:37:03] HFA : OP_USB_INIT: Quadrant 3 (of 4) regulator failure
[2014-11-20 01:37:06] API running in UNRESTRICTED read access mode on port 4028 (9)
After that it goes in loop and trying to start.
What is Quadrant and regulator?
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Can you post some pictures of your miners?
I was on impression that Sierra had ~500Gh/s @ 480w.
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How did they get your email address ... ? Early summer when I started mining registered in few popular pools, BitAffNet was one of them. It just funny that I`m fully on Slush and they send me comparison that Slush has lowest rewards. I think that was time when Slush had bad luck and after that luck turned around. |
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Last week was a good one @ Slush's Pool  Yea, but now pools performance keeps rising. |
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Pool performance jumped - somebody redirected big power to slush, possible some company tested something.
Just now they dropped out, so, after that back to "normal" payout...
Slush luck is dropping now, so faster to go trough blocks is not bad thing.
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Slush pool luck is down to the drain...  But still I with slush! |
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But in other hand, bitcoin will be more popular and more HW will be coming than up soon, result will be jumping difficulty and HW we already have and invested faster got out of price. BTC at $411.43 at the moment... sweeeeeeeeeeeeeeeeet I can see $510.00 by Thanksgiving. Certainly can!!! |
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I want Antminer S1 controller for few blades too. I have server racks and server U cases, fans, spare servers psu etc...
Want some for fun DIY project to build down clocked Antminer S1 blades build in to it.
Only need controller, hope your projects succeed and I can buy or build locally controller board!
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Block 4h+ ended, no new block in history, block is reset again?
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Eligius pool just had 21h block too, difficulty catching up?
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The only day I brought my S1 home to use as heating... |
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Reward size is back and block solving duration is ok. Slush is the best! |
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Sorry J4bberwock ... with "server PSU's" do you mean a realy PSU from servers ? ...sorry but I'm start this days :-)
I ask you because i have some IBM eServers 346 that I don't use and maybe
I can use this PSU ... If I remember I have 2 X PSU for every server.
Thanks a lot again
Denis
You can use it, you need to figure out pins of your psu or search for breaker board for it. I like supermicro servers, so I have spare parts from them and use PSU from it, but it was DIY projects to figure out pins and make it work for S1. And they are loud. I made little quieter switching to bigger fans. |
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I now want owner of big hashrate back to slush pool, because he helped to crunch big long blocks we stuck and if pool luck is above 100% we all get more payment for it in long run...
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Statistically speaking, I think bigger pool power is good. It helps crunch big blocks faster, but because of good pool luck we get more payment, even it is divided in smaller payments. If I`m correct.
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I have q. sorry if stupid.
Current shares CDF - works slower if it goes for longer hours. For instance in first 1h it gets to mostly 20% after that it goes slower... why is that?
Performance of pool is fluctuating, but not dropping every time even if block is long.
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