Here is dmesg generated by: a) unplugging usbps2 conv b) rebooting c) plugging usbps2 afterboot d) unplugging ps2 keyboard d) plugging ps2 keyboard into usbps2 convertor since it doesn't work at all Ondrej. -- original HP keybord bundled with HP dc7600 doesn't work https://launchpad.net/bugs/52546