oday my father build a interface from Slovak paper magazine ATARIX - RAMdisk activity checker.. But somethings is wrong.. The Atari have 4x OS, three working OK, but one working incorectly - DOS 2.5 hmm.
http://www.youtube.com/watch?v=0KNcUEq7nJw
when i turn off atari and turn on about 15h later, it's working OK, but only 10-15 minutes