Hi everyone !! Thank you very much for this tutorial. I've made a RS232 cable buy at sparkfun. I've got a 500Gb barracuda 7200.11 ST3500320AS SD15 in BSY In hyperterminal I've the correct connection but I've a big problem. F3 T>/2 F3 2>Z Spin Down Complete Elapsed Time 0.141 msecs [color="#4169E1"](here I connect the pcb after a little moment)[/color] F3 2>U [color="#4169E1"](here I listen the hdd motor with a little "clic-clic")[/color] Error 1009 DETSEC 00006008 Spin Error Elapsed Time 7 mins 21 secs R/W Status 2 R/W Error 84150180 F3 2> I've try the 2 methods, with a card or by removing all the pcb ... Thanks for your help !!