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README - FPGA device FAQ

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Kano 2012-09-11 14:29:08 +10:00
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@ -843,10 +843,27 @@ They are Field-Programmable Gate Arrays that have been programmed to do Bitcoin
mining. Since the acronym needs to be only 3 characters, the "Field-" part has
been skipped.
Q: How do I get my BFL device to auto-recognise?
A: The only thing that needs to be done is to load the driver for them, which
on linux would require:
sudo modprobe ftdi_sio vendor=0x0403 product=0x6014
Q: How do I get my BFL/Icarus/Lancelot/Cairnsmore device to auto-recognise?
A: On linux, if the /dev/ttyUSB* devices don't automatically appear, the only
thing that needs to be done is to load the driver for them:
BFL: sudo modprobe ftdi_sio vendor=0x0403 product=0x6014
Icarus: sudo modprobe pl2303 vendor=0x067b product=0x230
Lancelot: sudo modprobe ftdi_sio vendor=0x0403 product=0x6001
Cairnsmore: sudo modprobe ftdi_sio product=0x8350 vendor=0x0403
On windows you must install the pl2303 or ftdi driver requird for the device
pl2303: http://prolificusa.com/pl-2303hx-drivers/
ftdi: http://www.ftdichip.com/Drivers/VCP.htm
Q: On linux I can see the /dev/ttyUSB* devices for my ICA/BFL/MMQ FPGA, but
cgminer can't mine on them
A: Make sure you have the required priviledges to access the /dev/ttyUSB* devices:
sudo ls -las /dev/ttyUSB*
will give output like:
0 crw-rw---- 1 root dialout 188, 0 2012-09-11 13:49 /dev/ttyUSB0
This means your account must have the group 'dialout' or root priviledges
To permanently give your account the 'dialout' group:
sudo usermod -G dialout `whoami`
Then logout and back in again
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