I habe the same problem. Card is working on normal linux but not with the mini-pc MatrixTV. I copied dvb-usb-tbsqbox-id5881.fw from my normal linux to matrixtv as it was necessary there. dmesg | grep TBS shows then [ 1414.363246] usb 1-2: Product: TBS 5881 [ 1414.363248] usb 1-2: Manufacturer: TBS-T...