Hi again after you kindly fixed media_build for me I applied the nec protocol patch and tried again. $ sudo ir-keytable Found /sys/class/rc/rc0/ (/dev/input/event5) with: Driver imon, table rc-imon-mce Supported protocols: rc-6 Enabled protocols: rc-6 Name: iMON Remote (15c2:ffdc) bus: 3, vendor/product: 15c2:ffdc, version: 0x0000 Repeat delay = 500 ms, repeat period = 125 ms Found /sys/class/rc/rc1/ (/dev/input/event11) with: Driver dvb_usb_cxusb, table rc-dvico-mce Supported protocols: nec Enabled protocols: Name: IR-receiver inside an USB DVB re bus: 3, vendor/product: 0fe9:db78, version: 0x827b Repeat delay = 500 ms, repeat period = 125 ms Found /sys/class/rc/rc2/ (/dev/input/event16) with: Driver dvb_usb_af9035, table rc-empty Supported protocols: nec Enabled protocols: Name: Leadtek WinFast DTV Dongle Dual bus: 3, vendor/product: 0413:6a05, version: 0x0200 Repeat delay = 500 ms, repeat period = 125 ms $ sudo ir-keytable -v --sysdev rc1 Found device /sys/class/rc/rc0/ Found device /sys/class/rc/rc1/ Found device /sys/class/rc/rc2/ Input sysfs node is /sys/class/rc/rc0/input8/ Event sysfs node is /sys/class/rc/rc0/input8/event5/ Parsing uevent /sys/class/rc/rc0/input8/event5/uevent /sys/class/rc/rc0/input8/event5/uevent uevent MAJOR=13 /sys/class/rc/rc0/input8/event5/uevent uevent MINOR=69 /sys/class/rc/rc0/input8/event5/uevent uevent DEVNAME=input/event5 Parsing uevent /sys/class/rc/rc0/uevent /sys/class/rc/rc0/uevent uevent NAME=rc-imon-mce /sys/class/rc/rc0/uevent uevent DRV_NAME=imon input device is /dev/input/event5 /sys/class/rc/rc0/protocols protocol rc-6 (enabled) Found /sys/class/rc/rc0/ (/dev/input/event5) with: Driver imon, table rc-imon-mce Supported protocols: rc-6 Enabled protocols: rc-6 Name: iMON Remote (15c2:ffdc) bus: 3, vendor/product: 15c2:ffdc, version: 0x0000 Repeat delay = 500 ms, repeat period = 125 ms Input sysfs node is /sys/class/rc/rc1/input17/ Event sysfs node is /sys/class/rc/rc1/input17/event11/ Parsing uevent /sys/class/rc/rc1/input17/event11/uevent /sys/class/rc/rc1/input17/event11/uevent uevent MAJOR=13 /sys/class/rc/rc1/input17/event11/uevent uevent MINOR=75 /sys/class/rc/rc1/input17/event11/uevent uevent DEVNAME=input/event11 Parsing uevent /sys/class/rc/rc1/uevent /sys/class/rc/rc1/uevent uevent NAME=rc-dvico-mce /sys/class/rc/rc1/uevent uevent DRV_NAME=dvb_usb_cxusb input device is /dev/input/event11 /sys/class/rc/rc1/protocols protocol nec (disabled) Found /sys/class/rc/rc1/ (/dev/input/event11) with: Driver dvb_usb_cxusb, table rc-dvico-mce Supported protocols: nec Enabled protocols: Name: IR-receiver inside an USB DVB re bus: 3, vendor/product: 0fe9:db78, version: 0x827b Repeat delay = 500 ms, repeat period = 125 ms Input sysfs node is /sys/class/rc/rc2/input19/ Event sysfs node is /sys/class/rc/rc2/input19/event16/ Parsing uevent /sys/class/rc/rc2/input19/event16/uevent /sys/class/rc/rc2/input19/event16/uevent uevent MAJOR=13 /sys/class/rc/rc2/input19/event16/uevent uevent MINOR=80 /sys/class/rc/rc2/input19/event16/uevent uevent DEVNAME=input/event16 Parsing uevent /sys/class/rc/rc2/uevent /sys/class/rc/rc2/uevent uevent NAME=rc-empty /sys/class/rc/rc2/uevent uevent DRV_NAME=dvb_usb_af9035 input device is /dev/input/event16 /sys/class/rc/rc2/protocols protocol nec (disabled) Found /sys/class/rc/rc2/ (/dev/input/event16) with: Driver dvb_usb_af9035, table rc-empty Supported protocols: nec Enabled protocols: Name: Leadtek WinFast DTV Dongle Dual bus: 3, vendor/product: 0413:6a05, version: 0x0200 Repeat delay = 500 ms, repeat period = 125 ms So only rc0 has any protocols enabled. Let's try to enable nec on rc1 $ sudo /usr/bin/ir-keytable -s rc1 -c Old keytable cleared $ sudo /usr/bin/ir-keytable -s rc1 -w /etc/rc_keymaps/dvico-remote Read dvico_mce table Wrote 45 keycode(s) to driver Invalid protocols selected Couldn't change the IR protocols $ sudo /usr/bin/ir-keytable -s rc1 -p nec -v Found device /sys/class/rc/rc0/ Found device /sys/class/rc/rc1/ Found device /sys/class/rc/rc2/ Input sysfs node is /sys/class/rc/rc1/input17/ Event sysfs node is /sys/class/rc/rc1/input17/event11/ Parsing uevent /sys/class/rc/rc1/input17/event11/uevent /sys/class/rc/rc1/input17/event11/uevent uevent MAJOR=13 /sys/class/rc/rc1/input17/event11/uevent uevent MINOR=75 /sys/class/rc/rc1/input17/event11/uevent uevent DEVNAME=input/event11 Parsing uevent /sys/class/rc/rc1/uevent /sys/class/rc/rc1/uevent uevent NAME=rc-dvico-mce /sys/class/rc/rc1/uevent uevent DRV_NAME=dvb_usb_cxusb input device is /dev/input/event11 /sys/class/rc/rc1/protocols protocol nec (disabled) Opening /dev/input/event11 Input Protocol version: 0x00010001 /sys/class/rc/rc1//protocols: Invalid argument Couldn't change the IR protocols $ sudo cat /sys/class/rc/rc1/protocols nec $ sudo sh # echo "+rc-5 +nec +rc-6 +jvc +sony +rc-5-sz +sanyo +sharp +xmp" > /sys/class/rc/rc1/protocols bash: echo: write error: Invalid argument # cat /sys/class/rc/rc1/protocols nec In kern.log I got: kernel: [ 2293.491534] rc_core: Normal protocol change requested kernel: [ 2293.491538] rc_core: Protocol switching not supported # echo "+nec" > /sys/class/rc/rc1/protocols bash: echo: write error: Invalid argument kernel: [ 2390.832476] rc_core: Normal protocol change requested kernel: [ 2390.832481] rc_core: Protocol switching not supported dmesg during bootup is attached. Cheers Vince