Here is original old schematic of ATOM HDD interface: http://8bit.yarek.pl/interface/sam.atom/atom.gif
My first ATOM: http://velesoft.speccy.cz/samcoupe/atom_hdd_interface/atom_hdd_if.jpg Here is Polish version by Yarek Adamsky: http://8bit.yarek.pl/interface/sam.atom/ http://8bit.yarek.pl/interface/sam.atom/atom009.jpg Yarek's ATOM HDD version 007 with my design modifications: - add possibility connect reset button for removable medium as SD card - connect 5V power to IDE pin 20 (used in CFtoIDE and SDtoIDE adapters) http://velesoft.speccy.cz/samcoupe/atom_hdd_interface/IMGP8032.JPG http://velesoft.speccy.cz/samcoupe/atom_hdd_interface/IMGP8035.JPG http://velesoft.speccy.cz/samcoupe/atom_hdd_interface/IMGP8036.JPG http://velesoft.speccy.cz/samcoupe/atom_hdd_interface/IMGP8037.JPG http://velesoft.speccy.cz/samcoupe/atom_hdd_interface/IMGP8038.JPG http://velesoft.speccy.cz/samcoupe/atom_hdd_interface/IMGP8039.JPG http://velesoft.speccy.cz/samcoupe/atom_hdd_interface/IMGP8040.JPG Info about original ATOM: http://www.worldofsam.org/node/217 VELESOFT
