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128 lines
4.2 KiB
128 lines
4.2 KiB
SUPPORTED DEVICES |
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Currently supported devices include the Avalon, the Butterfly Labs SC range |
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of devices and the ASICMINER block erupters. |
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The BFL devices should come up as one of the following: |
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BAJ: BFL ASIC Jalapeño |
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BAL: BFL ASIC Little Single |
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BAS: BFL ASIC Single |
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BAM: BFL ASIC Minirig |
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BFL devices need the --enable-bflsc option when compiling cgminer yourself. |
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Avalon will come up as AVA. |
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Avalon devices need the --enable-avalon option when compiling cgminer. |
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ASICMINER block erupters will come up as AMU. |
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ASICMINER devices need the --enable-icarus option when compiling cgminer. |
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GETTING STARTED WITH BUTTERFLY LABS ASICS |
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Unlike other software, cgminer uses direct USB communication instead of the |
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ancient serial USB communication to be much faster, more reliable and use a |
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lot less CPU. For this reason, setting up for mining with cgminer on these |
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devices requires different drivers. |
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WINDOWS: |
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On windows, the direct USB support requires the installation of a WinUSB |
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driver (NOT the ftdi_sio driver), and attach it to the Butterfly labs device. |
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The easiest way to do this is to use the zadig utility which will install the |
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drivers for you and then once you plug in your device you can choose the |
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"list all devices" from the "option" menu and you should be able to see the |
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device as something like: "BitFORCE SHA256 SC". Choose the install or replace |
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driver option and select WinUSB. You can either google for zadig or download |
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it from the cgminer directoy in the DOWNLOADS link above. |
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LINUX: |
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On linux, the direct USB support requires no drivers at all. However due to |
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permissions issues, you may not be able to mine directly on the devices as a |
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regular user without giving the user access to the device or by mining as |
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root (administrator). In order to give your regular user access, you can make |
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him a member of the plugdev group with the following commands: |
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sudo usermod -G plugdev -a `whoami` |
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If your distribution does not have the plugdev group you can create it with: |
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sudo groupadd plugdev |
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In order for the BFL devices to instantly be owned by the plugdev group and |
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accessible by anyone from the plugdev group you can copy the file |
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"01-cgminer.rules" from the cgminer archive into the /etc/udev/rules.d |
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directory with the following command: |
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sudo cp 01-cgminer.rules /etc/udev/rules.d/ |
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After this you can either manually restart udev and re-login, or more easily |
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just reboot. |
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AVALON DEVICES |
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Currently all known Avalon devices come with their own operating system and |
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a preinstalled version of cgminer as part of the flash firmware, based on the |
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most current cgminer version so no configuration should be necessary. It is |
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possible to plug a USB cable from a PC into the Avalon device and mine using |
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cgminer as per any other device. It will autodetect and hotplug using default |
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options. You can customise the avalon behaviour by using the --avalon-options |
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command. |
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eg: |
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--avalon-options 115200:24:10:45:282 |
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The values are baud : miners : asic count : timeout : frequency. |
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Baud: |
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The device is pretty much hard coded to emulate 115200 baud so you shouldn't |
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change this. |
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Miners: |
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Most Avalons are 3 module devices, which come to 24 miners. 4 module devices |
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would use 32 here. |
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Asic count: |
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Virtually all have 10, so don't change this. |
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Timeout: |
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This is how long the device will work on a work item before accepting new work |
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to replace it. It should be changed according to the frequency (last setting). |
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It is possible to set this a little lower if you are trying to tune for short |
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block mining (eg p2pool) but much lower and the device will start creating |
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duplicate shares. |
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Sample settings for different frequencies (last 2 values): |
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43:300 |
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45:282 (default) |
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47:270 |
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50:256 |
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Frequency: |
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This is the clock speed of the devices. Only specific values work, 256, 270, |
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282 (default) and 300. |
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If you use the full curses based interface with Avalons you will get this |
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information: |
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AVA 0: 22/ 46C 60%/2400R |
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The values are: |
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ambient temp / highest device temp set fan % / lowest detected fan RPM. |
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Use the API for more detailed information than this. |
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--- |
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This code is provided entirely free of charge by the programmer in his spare |
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time so donations would be greatly appreciated. Please consider donating to the |
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address below. |
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Con Kolivas <kernel@kolivas.org> |
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15qSxP1SQcUX3o4nhkfdbgyoWEFMomJ4rZ
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