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@@ -257,6 +257,48 @@ If you have different devices using the bifury driver, see the section on
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Hex*Fury for applying workarounds per-device.
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+GRIDSEED
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+--------
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+
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+Gridseed units, at the present time, come in two versions: Blade - a 40 chip
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+unit and Orb - a 5 chip unit. Orb units can be used to mine both SHA256d and
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+scrypt based coins whereas the Blade is scrypt only, although BFGMiner only
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+supports scrypt mode at this time.
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+
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+BFGMiner allows a miner to connect both types of units to a single miner
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+instance and provides for granular control of the clock frequencies for each
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+device and each chip on each device. The basic use of this feature is to use the
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+--set option on from the command line:
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+
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+bfgminer --scrypt -S gridseed:all --set gridseed@<serial_number>:clock=825
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+
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+for multiple devices, add multiple --set arguments.
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+
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+Additionally, these can be added to the bfgminer.conf file for persistence like
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+this:
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+
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+"set" : [
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+ "gridseed@<serial_number>:clock=825",
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+ "gridseed@<serial_number>:clock=850",
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+ "gridseed@<serial_number>:clock=875"
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+]
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+
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+To find the device serial number, start bfgminer and press <M> to manage
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+devices, then <Page Down> or <down arrow> through the list of devices and take
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+note of the device serial number in the device information shown.
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+
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+...
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+Select processor to manage using up/down arrow keys
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+ GSD 0a: | 74.4/ 72.9/ 10.2kh/s | A: 1 R:0+0(none) HW:0/none
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+ STM32 Virtual COM Port from STMicroelectronics
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+Serial: 6D85278F5650
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+Clock speed: 875
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+...
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+
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+So for example, an entry would look like this:
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+ gridseed@6D85278F5650:clock=875
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+
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+
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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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slax0r