Thks a lot
more photos when I close the box (now, test phase
)
Hardware configuration is simple :
Drive 1 (3p CPC floppy) is direct connect
Drive 0 (3p 1/2 or 5p 1/4) is connect via switch (pin 12, drive select)*
*
http://www.seasip.info/VintagePC/floppies.html