Orjan : hey dude, a mega ´thank you´ for that link !! Now I am also gonna try to get a slimline CDrom into my A1200´s desktop that already has got a Powerflyer mounted on board !! At this moment I have got a 40 Gb external HD and a 48X CDrewriter somewhere close to the floppy drive. It´s not so good looking but at least I got it working. But with that link you gave I can try to mount a 2,5" hd and slimline on the inside !!! Thanks again !!