![]() The driver supports custom frequency settings in the range of 200-400 MHz in 16 (the four ttyUSB ports are auto detected by all) S ALC:all -S ALC:/dev/ttyO1 -S ALC:/dev/ttyO2 -S ALC:/dev/ttyO3 To detect all the blades you need to manually probe it The driver has been designed to run each of the 8 blades inside an AlcheMistĢ56 as a separate miner. This driver requires the latest FPGA firmware flashed on the blades (stockįirmware has major bug and won't run properly with this driver). Need to experiment with a good queue setting to control how much work BFGMiner Timeout/clock/reg_data combinations, however!Īdditionally, since the controllers are underpowered for these devices, you may You can probably use either one, but the 350 MHz clock performsīetter than the 200 MHz clock. ![]() Notice how there are duplicate settings for timeout, clock, reg_data, and NOTE: These are NOT valid BFGMiner options! "bitmain-voltage" in the /config/nf file. You want to lookĪt the "bitmain-options" from the command line, and the "bitmain-freq" and Time, but can be determined from the stock cgminer's options. The meaning of each of these options are not documented individually at this Note that reg_data is optional for S4 and S5 and will be calculated from clock set btm:clock=350 -set btm:reg_data=0d82 -set btm:voltage=x0725 S bitmain:auto -set btm:model=S5 -set btm:layout=32:8 -set btm:timeout=3 None of the device attributes are autodetectedĪt this time, so you must also tell BFGMiner this at runtime with a series of WhenĬonfiguring, use the -enable-bitmain option to build the 'bitmain' driver used Series (both USB and blades), a large variety of Bitfury-based miners,īitmain's Antminer S5 and U1-3, Butterfly Labs' SC range of devices, HashBusterīoards, GekkoScience's Compac USB stick, Klondike modules, and KnCMiner'sīFGMiner must be compiled for and run on the embedded controller. If you are looking for an investment with max return in the Bitcoin mining field, this device is not actually useful unless you can buy it under $15 each and already have a mining rig running 24/7.Currently supported ASIC devices include Avalon, Bitfountain's Block Erupter If you want to get a device to learn about Bitcoin mining this is a great device. The Block Erupter as I said takes about 150 days to recoup the money spent on it ($27 at the time of this article with the Bitcoin trading at $130). ![]() I wanted to test how easy it was to make money from the Bitcoin network, and my GPU was too slow to get a good statistical analysis, not to mention it took up WAYYYY too much power. It is however MUCH more efficient than a GPU, CPU, FPGA, and most other ASIC devices when compared to their power usage. This device is not able to make money for you at this point in the Bitcoin age. I have not tested by how much the lifespan will increase but a 30 degree Celsius drop from 86 to 56 degrees would prolong any piece of electronics useful life. If you intend on getting one of these devices, adding a heatsync with some thermal paste will increase its lifespan drastically. 4 watts (a 20% decrease) most likely due to the temperature drop in the voltage regulator, increasing its efficiency and wasting less power in heat. Power cost per month: 19 cents (about 1 KW hour)Īfter adding a heatsync to the USB Block Erupter, it used less power by.BTC per day: not given (varies based on pool).
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