Why doesn't my USB Blaster work on RedHat Linux Enterprise 7 and above? - Why doesn't my USB Blaster work on RedHat Linux Enterprise 7 and above? Description Quartus® Prime 16.0 and earlier do not support Red Hat Enterprise (RHE) 7 which requires an updated format for the udev rules for USB-Blaster and USB-Blaster II download cables. Resolution If you are using RHE 7 or above use the updated udev rules below in the /etc/udev/rules.d/51-usbblaster.rules file: # USB-Blaster SUBSYSTEMS=="usb", ATTRS{idVendor}=="09fb", ATTRS{idProduct}=="6001", MODE="0666" SUBSYSTEMS=="usb", ATTRS{idVendor}=="09fb", ATTRS{idProduct}=="6002", MODE="0666" SUBSYSTEMS=="usb", ATTRS{idVendor}=="09fb", ATTRS{idProduct}=="6003", MODE="0666" # USB-Blaster II SUBSYSTEMS=="usb", ATTRS{idVendor}=="09fb", ATTRS{idProduct}=="6010", MODE="0666" SUBSYSTEMS=="usb", ATTRS{idVendor}=="09fb", ATTRS{idProduct}=="6810", MODE="0666" This information will be added to a future release of the USB-Blaster II documention. Custom Fields values: ['novalue'] Troubleshooting FB: 396132; False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] novalue 16.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['Download Cable PL-USB-BLASTER-RCN']