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7

I set up my rasp pi b+ and U3 mining rig using the instructions in this forum post, with screen and cgminer. The command relevant to over clocking the raspi that I used is the following: sudo ./cgminer --bmsc-options 115200:0.57 -o POOL -u USERNAME -p PASSWORD --bmsc-voltage 0800 --bmsc-freq 1286 Those last two options (bmsc-voltage and bmsc-freq) are ...


3

This is a known and notable problem with Antminer U3s. It's discussed at various locations around the Web. The design couples the USB and miner +5V power rails, which is not good practice. USB interfaces should be both electrically and optically isolated. When a unit goes ZOMBIE, it generally requires unplugging and replugging to restart it, which fits ...


2

I have 2 u3 antminers running on a raspberry pi b+ I could not get my u3 any faster until i used minera software,set to cgminer (offical) with command: --au3-volt 830 --au3-freq 250.0 In the settings menu it will run at 62-63 GH/s. you can download it hear http://getminera.com/


2

Using CGMiner 4.9.0 I have been trying for MONTHS to get all five of these to all work at the same time without ZOMBIE and ERRORS that make the whole process a waste of time. I did the Zadig thing, a million times, can do it in the sauna, while reading bad Hungarian poetry. All my devices are running the right drivers. I tried new power supplies, new cables,...


1

bmsc only works with the BITMAIN cgminer... I have fully tested and configured cgminer 4.9.2, the latest to work with the U3, check out my videos on vimeo and dailymotion, do a search for cgminer and antminer u3, full instructions are included. I have bfgminer working with the U3 as well....


1

did you read the manual? To prevent the interruption of USB power supply, please ensure the computer is not in standby or sleep mode. Otherwise, the cgminer wouldn’t find the miner even make it ZOMBIE. source: Page 4 of https://www.bitmaintech.com/files/download/AntMiner-U3%20user%20guide.pdf


1

Have the same problem, keeps getting ZOMBIE. I solved the problem but power cycle my controller which is a custom beaglebone board, power cycle is made fully automatic by cron jobs.


1

Hey Friends, I run the the Antminer U3 with Minera 0.6.1 and the latest official cgminer on my raspberry PI 1 B -> Stable arround 60 GH/s with these Extra settings: --au3-volt 825 --au3-freq 237.5 = 60 GH/s --au3-volt 825 --au3-freq 225.0 = 55 GH/s ---> It will start everytime with 4 HW errors, but then after some minutes it will go ...


1

I think I might have cracked the issue with the U3 going zombie. I'm sure most miners have their computers set to never sleep, so perhaps the user guide is not specific enough. Under Windows 10, I've gone into device manager, listed devices by connections, found the USB to UART bridge, and then under the power management tab set windows to never set the ...


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