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Hi,
I have been successfully running quartus11.1 on linux, for this added usb blaster rules. As mentioned below. BUS=="usb" SYSFS{idVendor}=="09fb", SYSFS{idProduct}=="6001", MODE="0666". BUS=="usb" SYSFS{idVendor}=="09fb", SYSFS{idProduct}=="6002", MODE="0666" BUS=="usb" SYSFS{idVendor}=="09fb", SYSFS{idProduct}=="6003", MODE="0666" What is the purpose of thse rules, idVendor=09fb and idProduct=6003 means what, i need clear explanation about these rules. Thanks in advance, Alex.Link Copied
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09fb is the USB Vendor ID for Altera and 6001,6002,6003 are the product IDs for different versions of the USB Blaster. These numbers are used by the OS to recognize a plugged in USB device. The MODE is a permissions mask similar to what you have on every file. 0666 means the device can be read and written by all users.
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These information is needed for your OS to recognize the input that you connect to it. As described by ykozlov. You can in fedora17 you can type lsusb and see a list of devices plugged into your computer and the information you entered in the rules is shown here too.

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