| I have my doubts it can be done. You could try flashing it by going through the motions with the flash card. If it is able to flash the machine, you will see firmware updated choices available on the control panel. If not, the machine will give you an error response on the screen. If it is the latter, you need the proprietary firmware. If the former, you can flash the machine with KM firmware.
Anything beyond that I cannot say for certain if the code will properly initialize the machine without it throwing any proprietary fits. It "should" be virtually identical, except with proprietary logos on the display panel and perhaps some configuration options changed. | 
Linear Mode
