marsond: marsond (fix Enter key for Marson/USBLink PS/2=>USB adaptor) marsond: marsond: marsond is a daemon for Linux that fixes an issue with a particular marsond: model of PS/2 => USB keyboard adaptor, the MT606-1 (aka "Marson marsond: Keyboard and Mouse Link", aka USBLink. The symptom: in games and marsond: emulators, the Enter key only works sometimes. marsond: marsond: marsond uses a udev rule to start automatically when the adaptor is marsond: plugged in. If the vendor and product IDs of your broken adaptor don't marsond: match the ones in /etc/udev/rules.d/99-marsond.rules, you can edit the marsond: IDs in that file and run "udevadm control --reload".